在C#中通过webdav操作exchange

操作exchange类库代码

为日历中的约会定义的实体
using System;
using System.Collections;

namespace ISoftStone.AccessExchange.WebDav
{

    /// CalendarItemInfo 的摘要说明。
    /// </summary>
    public class CalendarItemInfo
{
        private string mName;
        public string Name
{
            get
{
                return this.mName;
            }
            set
{
                this.mName = value;
            }
        }
        private string mLocation;
        private DateTime mBeginTime ;
        private DateTime mEndTime;
        private int mInstanceType = 0;
        private string mBusyStatus = "BUSY";
        private string mMeetingStatus = "CONFIRMED";
        private bool mIsAllDayEvent = false;
        public bool IsAllDayEvent
{
            get
{
                return this.mIsAllDayEvent;
            }
            set
{
                this.mIsAllDayEvent = value;
            }
        }
        private bool mResponseRequested = true;
        public bool ResponseRequested
{
            get
{
                return this.mResponseRequested;
            }
            set
{
                this.mResponseRequested = value;
            }
        }
        private  int mReminderOffset = 900; //seconds
        public int ReminderOffset
{
            get
{
                return this.mReminderOffset;
            }
            set
{
                this.mReminderOffset = value;
            }
        }
        private string  mMailToListMust;
        public string MailToListMust
{
            get
{
                return this.mMailToListMust;
            }
            set
{
                this.mMailToListMust = value;
            }
        }
        private string mMailToList;
        public string MailToList
{
            get
{
                return this.mMailToList;
            }
            set
{
                this.mMailToList = value;
            }
        }

        private string mSubject;
        public string Subject
{
            get
{
                return this.mSubject;
            }
            set
{
                this.mSubject = value;
            }
        }
        private string mHtmlDescription;
        public string HtmlDescription
{
            get
{
                return this.mHtmlDescription;
            }
            set
{
                this.mHtmlDescription = value;
            }
        }
        private bool mIsFinvited = true;
        public bool IsFinvited
{
            get
{
                return this.mIsFinvited;
            }
            set
{
                this.mIsFinvited = value;
            }
        }

        /// 所在位置
        /// </summary>
        public string Location
{
            get
{
                return this.mLocation;
            }
            set
{
                this.mLocation = value;
            }
        }

        /// 约会开始时间
        /// </summary>
        public DateTime BeginTime
{
            get
{
                return mBeginTime;
            }
            set
{
                mBeginTime = value;
            }
        }

        /// 约会结束时间
        /// </summary>
        public DateTime EndTime
{
            get
{
                return this.mEndTime;
            }
            set
{
                this.mEndTime = value;
            }
        }
        public int InstanceType
{
            get
{
                return this.mInstanceType;
            }
            set
{
                this.mInstanceType = value;
            }
        }
        public string BusyStatus
{
            get
{
                return this.mBusyStatus;
            }
            set
{
                this.mBusyStatus = value;
            }
        }
        public string MeetingStatus
{
            get
{
                return this.mMeetingStatus;

            }
            set
{
                this.mMeetingStatus = value;
            }
        }

        public int GetBoolInt(bool any)
{
            if (any)
{
                return 1;
            }
            return 0;
        }
        

        public CalendarItemInfo()
{
            //
            // TODO: 在此处添加构造函数逻辑
            //
        }
    }
}

User

using System;

namespace ISoftStone.AccessExchange.WebDav
{

    /// User 的摘要说明。
    /// </summary>
    public class User
{
        private string m_Name;
        private string m_Password;
        private string m_Domain;

        public string Name
{
            get
{
                return m_Name;
            }
            set
{
                m_Name = value;
            }
        }
        public string Password
{
            get
{
                return m_Password;
            }
            set
{
                m_Password = value;
            }
        }

        public string Domain
{
            get
{
                return m_Domain;
            }
            set
{
                m_Domain = value;
            }
        }
        private User(string name,string password,string domain)
{
            m_Name = name;
            m_Password = password;
            m_Domain = domain;
        }
        public static User GetUser(string name,string password,string domain)
{
            return  new User(name,password,domain);
            
        }
        public static User GetUser(string name,string password)
{
            return new User(name,password,String.Empty);
        }
    }
}

session

using System;
using System.Net;

namespace ISoftStone.AccessExchange.WebDav
{

    ///This class is for the session management of WebExchange class. 
    /// </summary>
    public class WebDavSession
{


        private string m_UserMailUrl;
        private ICredentials m_Credentials;
        private WebProxy m_Proxy;

        #endregion



        /// user's mailbox url
        /// </summary>
        public string UserMailUrl
{
            get
{
                return m_UserMailUrl;
            }
            set
{
                m_UserMailUrl = value;
            }
        }

        /// web proxy 
        /// </summary>
        public WebProxy Proxy
{
            get
{
                return m_Proxy;
            }
            set
{
                m_Proxy = value;
            }
        }
        public ICredentials Credentials 
{
            get
{
                return m_Credentials;
            }
            set
{
                m_Credentials = value;
            }
        }
        #endregion

        public static WebDavSession GetSession(ICredentials obj)
{
            WebDavSession session =  new WebDavSession();
            session.Credentials = obj;
            return session;
        }
        public static WebDavSession GetSession(User user)
{
            return GetSession(user,String.Empty);
        }
        public static WebDavSession GetSession(User user,WebProxy proxy)
{
            return GetSession(user,String.Empty,proxy);
        }

        public static WebDavSession GetSession(User user,string userMailUrl)
{
            return GetSession(user,userMailUrl,null);
        }
        public static WebDavSession GetSession(User user,string userMailUrl,WebProxy proxy)
{
            WebDavSession session = new WebDavSession();
            session.UserMailUrl = userMailUrl;
            session.Proxy = proxy;
            if(user.Domain.Equals(String.Empty))
{
                CredentialCache myCredentialCache = new CredentialCache();
                myCredentialCache.Add( new System.Uri(userMailUrl),"NTLM",
                    new NetworkCredential(user.Name,user.Password));
                session.Credentials = myCredentialCache;
            }
            else
{
                CredentialCache myCredentialCache = new CredentialCache();
                myCredentialCache.Add( new System.Uri(userMailUrl),"NTLM",
                    new NetworkCredential(user.Name,user.Password,user.Domain));
                session.Credentials = myCredentialCache;
            }
            return session;
        }
        public WebDavSession()
{
            //
            // TODO: 在此处添加构造函数逻辑
            //
        }
    }
}

using System;
using System.Net;
using System.Text;
using System.Xml;
using System.IO;
using System.Data;

namespace ISoftStone.AccessExchange.WebDav
{

    /// WebExchange 的摘要说明。
    /// </summary>
    public class WebExchange
{
        private WebDavSession m_Session;
        private string m_Url;
        private Encoding m_Encode;

        private HttpWebRequest objRequest;
        private WebResponse objResponse;

        
        

        public WebDavSession Session
{
            get
{
                if(m_Session == null)
{
                    m_Session = new WebDavSession();
                }
                return m_Session;
            }
            set
{
                m_Session = value;
            }
        }
        public string Url
{
            get
{
                if(m_Url != null)
{
                    if(m_Url.LastIndexOf("/") == m_Url.Length -1)
{
                        return m_Url.Substring(0,m_Url.Length-1);
                    }
                }
                return m_Url;
            }
            set
{
                m_Url = value;
            }
        }
        public Encoding Encode
{
            get
{
                if (m_Encode == null)
{
                    m_Encode = new UTF8Encoding();
                }
                return m_Encode;
            }
            set
{
                m_Encode = value;
            }
        }
        
        public WebExchange(WebDavSession webDavSession)
{
            m_Session = webDavSession;
            m_Url = webDavSession.UserMailUrl;
        }
        public WebExchange(WebDavSession webDavSession,string url)
{
            m_Session = webDavSession;
            m_Url = url;
        }
        public WebExchange(string url)
{
            m_Url = url;
        }
        public void CreateCalendarItem(CalendarItemInfo itemInfo)
{
            

            byte[] bytes = null;
            Stream requestStream = null;
            Stream responseStream = null;
            string strMailbox = "jianli";
            string strXMLNSInfo =null;
            try
{
                objRequest = (System.Net.HttpWebRequest)HttpWebRequest.Create(this.Url + "/" + itemInfo.Name);
                //objRequest = (HttpWebRequest)HttpWebRequest.Create(this.Url + "/" + "testdee");
                // Add the network credentials to the request.
                objRequest.Credentials = Session.Credentials;
                // Specify the DELETE method.
                objRequest.Method = "PROPPATCH";
                // XML namespace info for the WebDAV request.
                strXMLNSInfo = "xmlns:g=\"DAV:\" "
                    + "xmlns:e=\"http://schemas.microsoft.com/exchange/\" "
                    + "xmlns:mapi=\"http://schemas.microsoft.com/mapi/\" "
                    + "xmlns:mapit=\"http://schemas.microsoft.com/mapi/proptag/\" "
                    + "xmlns:x=\"xml:\" xmlns:cal=\"urn:schemas:calendar:\" "
                    + "xmlns:dt=\"urn:uuid:c2f41010-65b3-11d1-a29f-00aa00c14882/\" "
                    + "xmlns:header=\"urn:schemas:mailheader:\" "
                    + "xmlns:mail=\"urn:schemas:httpmail:\"";

                // Set the appointment item properties.  To create an all-day meeting,
                // set the dtstart/dtend range for 24 hours or more and set the alldayevent property
                // to 1.  See the documentation on the properties
                // in the urn:schemas:calendar: namespace for more information.
                string strCalInfo = "<cal:location>" + itemInfo.Location + "</cal:location>"
                    + "<cal:dtstart dt:dt=\"dateTime.tz\">2005-04-24T08:00:00.000Z</cal:dtstart>"
                
                    + "<cal:dtend dt:dt=\"dateTime.tz\">2005-04-24T08:40:00.000Z</cal:dtend>"
//                    + "<cal:dtstart dt:dt=\"dateTime.tz\">" + itemInfo.BeginTime.ToShortDateString() + "T" + itemInfo.BeginTime.ToLongTimeString() + ".000Z" + "</cal:dtstart>"
//                    + "<cal:dtend dt:dt=\"dateTime.tz\">"  + itemInfo.EndTime.ToShortDateString() + "T" + itemInfo.EndTime.ToLongTimeString() + ".000Z" +  "</cal:dtend>"
                    + "<cal:instancetype dt:dt=\"int\">" + itemInfo.InstanceType.ToString() + "</cal:instancetype>"
                    

                    

                    + "<cal:busystatus>" + itemInfo.BusyStatus + "</cal:busystatus>"
                    + "<cal:meetingstatus> " + itemInfo.MeetingStatus.ToString() + "</cal:meetingstatus>"
                    + "<cal:alldayevent dt:dt=\"boolean\">" + itemInfo.GetBoolInt(itemInfo.IsAllDayEvent).ToString() + "</cal:alldayevent>"
                    + "<cal:responserequested dt:dt=\"boolean\">" + itemInfo.GetBoolInt(itemInfo.IsAllDayEvent).ToString() + "</cal:responserequested>"
                    // Set the reminder time (in seconds).
                    + "<cal:reminderoffset dt:dt=\"int\">" + itemInfo.ReminderOffset.ToString() +"</cal:reminderoffset>";

//                string strCalInfo = "<cal:location>meetappt Location</cal:location>"
//                    + "<cal:dtstart dt:dt=\"dateTime.tz\">2004-05-18T23:00:00.000Z</cal:dtstart>"
//                    + "<cal:dtend dt:dt=\"dateTime.tz\">2004-05-18T23:30:00.000Z</cal:dtend>"
//                    + "<cal:instancetype dt:dt=\"int\">0</cal:instancetype>"
//                    + "<cal:busystatus>BUSY</cal:busystatus>"
//                    + "<cal:meetingstatus>CONFIRMED</cal:meetingstatus>"
//                    + "<cal:alldayevent dt:dt=\"boolean\">0</cal:alldayevent>"
//                    + "<cal:responserequested dt:dt=\"boolean\">1</cal:responserequested>"
//
//                    // Set the reminder time (in seconds).
//                    + "<cal:reminderoffset dt:dt=\"int\">900</cal:reminderoffset>";
//
//


                // Set the required attendee of the appointment.
                string strHeaderInfo = "<header:to>" + itemInfo.MailToListMust + "</header:to>";

                // Set the subject of the appointment.
                string strMailInfo = "<mail:subject>" + itemInfo.Subject + "</mail:subject>"
                    + "<mail:htmldescription>" + itemInfo.HtmlDescription + "</mail:htmldescription>";

                // Build the XML body of the PROPPATCH request.
                string strApptRequest = "<?xml version=\"1.0\"?>"
                    + "<g:propertyupdate " + strXMLNSInfo + ">"
                    + "<g:set><g:prop>"
                    + "<g:contentclass>urn:content-classes:appointment</g:contentclass>"
                    + "<e:outlookmessageclass>IPM.Appointment</e:outlookmessageclass>"
                    + strMailInfo
                    + strCalInfo
                    + strHeaderInfo
                    + "<mapi:finvited dt:dt=\"boolean\">1</mapi:finvited>"
                    + "</g:prop></g:set>"
                    + "</g:propertyupdate>";


                bytes = this.Encode.GetBytes((string)strApptRequest);
                
                // Set the content header length.  This must be
                // done before writing data to the request stream.
                objRequest.ContentLength = bytes.Length;

                // Get a reference to the request stream.
                requestStream = objRequest.GetRequestStream();

                
                // Write the request body to the request stream.
                requestStream.Write(bytes, 0, bytes.Length);

                // Close the Stream object to release the connection
                // for further use.
                requestStream.Close();

                // Set the content type header.
                objRequest.ContentType = "text/xml";

                // Send the PROPFIND method request and get the
                // response from the server.
                objResponse = (HttpWebResponse)objRequest.GetResponse();
                //return null;

                // Get the XML response stream.
                responseStream = objResponse.GetResponseStream();
                // Close the HttpWebResponse object.
                objResponse.Close();
                responseStream.Close();
                //Console.WriteLine("Item successfully deleted.")
            }
            catch(Exception ex)
{
                // Catch any exceptions. Any error codes from the PROPPATCH
                // method request on the server will be caught
                // here, also.
                throw new Exception("can't create item " + ex.ToString());
            }

        }
        public void CreateCalendarItem(string itemName)
{
            byte[] bytes = null;
            Stream requestStream = null;
            Stream responseStream = null;
            string strMailbox = "jianli";
            try
{
                objRequest = (System.Net.HttpWebRequest)HttpWebRequest.Create(this.Url + "/" + itemName);

                // Add the network credentials to the request.
                objRequest.Credentials = this.Session.Credentials;

                // Specify the DELETE method.
                objRequest.Method = "PROPPATCH";

                // XML namespace info for the WebDAV request.
                string strXMLNSInfo = "xmlns:g=\"DAV:\" "
                    + "xmlns:e=\"http://schemas.microsoft.com/exchange/\" "
                    + "xmlns:mapi=\"http://schemas.microsoft.com/mapi/\" "
                    + "xmlns:mapit=\"http://schemas.microsoft.com/mapi/proptag/\" "
                    + "xmlns:x=\"xml:\" xmlns:cal=\"urn:schemas:calendar:\" "
                    + "xmlns:dt=\"urn:uuid:c2f41010-65b3-11d1-a29f-00aa00c14882/\" "
                    + "xmlns:header=\"urn:schemas:mailheader:\" "
                    + "xmlns:mail=\"urn:schemas:httpmail:\"";

                // Set the appointment item properties.  To create an all-day meeting,
                // set the dtstart/dtend range for 24 hours or more and set the alldayevent property
                // to 1.  See the documentation on the properties
                // in the urn:schemas:calendar: namespace for more information.
                string strCalInfo = "<cal:location>meetappt Location</cal:location>"
                    + "<cal:dtstart dt:dt=\"dateTime.tz\">2004-05-18T23:00:00.000Z</cal:dtstart>"
                    + "<cal:dtend dt:dt=\"dateTime.tz\">2004-05-18T23:30:00.000Z</cal:dtend>"
                    + "<cal:instancetype dt:dt=\"int\">0</cal:instancetype>"
                    + "<cal:busystatus>BUSY</cal:busystatus>"
                    + "<cal:meetingstatus>CONFIRMED</cal:meetingstatus>"
                    + "<cal:alldayevent dt:dt=\"boolean\">0</cal:alldayevent>"
                    + "<cal:responserequested dt:dt=\"boolean\">1</cal:responserequested>"

                    // Set the reminder time (in seconds).
                    + "<cal:reminderoffset dt:dt=\"int\">900</cal:reminderoffset>";

                // Set the required attendee of the appointment.
                string strHeaderInfo = "<header:to>" + strMailbox + ";章清平 &lt;qpzhang@iisdnet.com &gt;></header:to>";

                // Set the subject of the appointment.
                string strMailInfo = "<mail:subject>Test Appointment Subject</mail:subject>"
                    + "<mail:htmldescription>Let's meet here</mail:htmldescription>";

                // Build the XML body of the PROPPATCH request.
                string strApptRequest = "<?xml version=\"1.0\"?>"
                    + "<g:propertyupdate " + strXMLNSInfo + ">"
                    + "<g:set><g:prop>"
                    + "<g:contentclass>urn:content-classes:appointment</g:contentclass>"
                    + "<e:outlookmessageclass>IPM.Appointment</e:outlookmessageclass>"
                    + strMailInfo
                    + strCalInfo
                    + strHeaderInfo
                    + "<mapi:finvited dt:dt=\"boolean\">1</mapi:finvited>"
                    + "</g:prop></g:set>"
                    + "</g:propertyupdate>";


                bytes = this.Encode.GetBytes((string)strApptRequest);
                
                // Set the content header length.  This must be
                // done before writing data to the request stream.
                objRequest.ContentLength = bytes.Length;

                // Get a reference to the request stream.
                requestStream = objRequest.GetRequestStream();

                
                // Write the request body to the request stream.
                requestStream.Write(bytes, 0, bytes.Length);

                // Close the Stream object to release the connection
                // for further use.
                requestStream.Close();

                // Set the content type header.
                objRequest.ContentType = "text/xml";

                
                // Send the PROPFIND method request and get the
                // response from the server.
                objResponse = (HttpWebResponse)objRequest.GetResponse();
                //return null;

                // Get the XML response stream.
                responseStream = objResponse.GetResponseStream();

                // Close the HttpWebResponse object.
                objResponse.Close();
                responseStream.Close();
                

                //Console.WriteLine("Item successfully deleted.")

            }
            catch(Exception ex)
{
                // Catch any exceptions. Any error codes from the PROPPATCH
                // method request on the server will be caught
                // here, also.
                throw new Exception("can't create item " + ex.ToString());
            }

        }
        public void GetInfo()
{
//            string strXml;
//            strXml = "<?xml version='"+"1.0"+"'?>";
//            strXml = strXml + "<a:propfind xmlns:a='"+"DAV:"+"'  xmlns:e='"+"urn:schemas:httpmail:'"+">";
//            strXml = strXml + "<a:prop>";
//            //日历
//            strXml = strXml + "<e:calendar/>";
//            
//            //联系人
//            strXml = strXml + "<e:contacts/>";
//            
//            //回收站
//            strXml = strXml + "<e:deleteditems/>";
//            
//            //草稿
//            strXml = strXml + "<e:drafts/>";
//            
//            //收件箱
//            strXml = strXml + "<e:inbox/>";
//            
//            //日记
//            strXml = strXml + "<e:journal/>";
//            
//            //便笺
//            strXml = strXml + "<e:notes/>";
//            
//            //发件箱
//            strXml = strXml + "<e:outbox/>";
//            
//            //已发邮件
//            strXml = strXml + "<e:sentitems/>";
//            
//            //任务
//            strXml = strXml + "<e:tasks/>";
//            
//            //短信
//            strXml = strXml + "<e:sendmsg/>";
//            strXml = strXml + "<e:msgfolderroot/>";
//            strXml = strXml + "</a:prop>";
//            strXml = strXml + "</a:propfind>";
//
//            //声明XMLHTTP对象
//            MSXML2.XMLHTTP30Class objXmlHttp=new MSXML2.XMLHTTP30Class();
//            //声明DOMDocument对象
//            MSXML2.DOMDocument30Class  objXmlDOMDocument=new MSXML2.DOMDocument30Class();
//            objXmlHttp.open("PROPFIND",strUserFolder,false,strDomainName+"\\"+strUserName,strUserPwd);
//            objXmlHttp.setRequestHeader("content-type","text/xml");
//            objXmlHttp.setRequestHeader("depth","0");
//            objXmlHttp.send(strXml);
//    
//            if (objXmlHttp.status.ToString()=="207") //DAV读取正确
//            {
//                objXmlDOMDocument.load(objXmlHttp.responseXML);
//                
//                //日历
//                strCalendar=objXmlDOMDocument.selectSingleNode("//a:multistatus/a:response/a:propstat/a:prop/d:calendar").text;
//                
//                //联系人
//                strContacts=objXmlDOMDocument.selectSingleNode("//a:multistatus/a:response/a:propstat/a:prop/d:contacts").text;
//                
//                //垃圾箱
//                strDeleteditems=objXmlDOMDocument.selectSingleNode("//a:multistatus/a:response/a:propstat/a:prop/d:deleteditems").text;
//                
//                //草稿
//                strDrafts=objXmlDOMDocument.selectSingleNode("//a:multistatus/a:response/a:propstat/a:prop/d:drafts").text;
//                
//                //收件箱
//                strInbox=objXmlDOMDocument.selectSingleNode("//a:multistatus/a:response/a:propstat/a:prop/d:inbox").text;
//                
//                //日记
//                strJournal=objXmlDOMDocument.selectSingleNode("//a:multistatus/a:response/a:propstat/a:prop/d:journal").text;
//                
//                //便笺
//                strNotes=objXmlDOMDocument.selectSingleNode("//a:multistatus/a:response/a:propstat/a:prop/d:notes").text;
//                
//                //发件箱
//                strOutbox=objXmlDOMDocument.selectSingleNode("//a:multistatus/a:response/a:propstat/a:prop/d:outbox").text;
//                
//                //已发邮件
//                strSentitems=objXmlDOMDocument.selectSingleNode("//a:multistatus/a:response/a:propstat/a:prop/d:sentitems").text;
//                
//                //任务
//                strTasks=objXmlDOMDocument.selectSingleNode("//a:multistatus/a:response/a:propstat/a:prop/d:tasks").text;
//                        
//                //短信
//                strSendmsg=objXmlDOMDocument.selectSingleNode("//a:multistatus/a:response/a:propstat/a:prop/d:sendmsg").text;
//                
//                strMsgfolderroot=objXmlDOMDocument.selectSingleNode("//a:multistatus/a:response/a:propstat/a:prop/d:msgfolderroot").text;
//                
//                //Label1.Text=strCalendar+strDeleteditems;//debug
//            }
//            else //DAV读取错误
//            {
//                Response.Write("<?xml version='1.0' encoding='GB2312'?>");
//                Response.Write("<Error>");
//                Response.Write("<Status>" + objXmlHttp.status + "</Status>");
//                Response.Write("<Statustext>" + objXmlHttp.statusText.ToString() + "</Statustext>");
//                Response.Write("</Error>");
//            }
//        



        }
        public XmlDocument SearchItems(string xmlSearchBody)
{
            //string strSrcURI = ItemURL;

            byte[] bytes = null;
            Stream requestStream = null;
            Stream responseStream = null;
            XmlDocument responseXmlDoc = null;

            try
{
                
                // Create the HttpWebRequest object.
                objRequest = (HttpWebRequest)HttpWebRequest.Create(Url);
                // Add the network credentials to the request.
                objRequest.Credentials = m_Session.Credentials;
                // Specify the method.
                //objRequest.Method = "PROPFIND";
                objRequest.Method = "SEARCH";
                // Encode the body 
                bytes = this.Encode.GetBytes((string)xmlSearchBody);
                
                // Set the content header length.  This must be
                // done before writing data to the request stream.
                objRequest.ContentLength = bytes.Length;

                // Get a reference to the request stream.
                requestStream = objRequest.GetRequestStream();
                

                // Write the request body to the request stream.
                requestStream.Write(bytes, 0, bytes.Length);

                // Close the Stream object to release the connection
                // for further use.
                requestStream.Close();

                // Set the content type header.
                objRequest.ContentType = "text/xml";

                // Send the PROPFIND method request and get the
                // response from the server.
                objResponse = (HttpWebResponse)objRequest.GetResponse();
                //return null;

                // Get the XML response stream.
                responseStream = objResponse.GetResponseStream();

                // Create the XmlDocument object from the XML response stream.
                responseXmlDoc = new XmlDocument();
                responseXmlDoc.Load(responseStream);
                
                // Clean up.
                responseStream.Close();
                objResponse.Close();
                
                //responseXmlDoc.Save(@"C:\jjj.xml");
                return responseXmlDoc;

            }
            catch(Exception e)
{
                throw new Exception("Can't get the data" + e.ToString());
            }    
        }
        public XmlDocument GetItemFieldValue(string strBody)
{
            //string strSrcURI = ItemURL;

            byte[] bytes = null;
            Stream requestStream = null;
            Stream responseStream = null;
            XmlDocument responseXmlDoc = null;
            

            try
{
                
                // Create the HttpWebRequest object.
                objRequest = (HttpWebRequest)HttpWebRequest.Create(Url);
                // Add the network credentials to the request.
                objRequest.Credentials = m_Session.Credentials;
                // Specify the method.
                objRequest.Method = "PROPFIND";
                //objRequest.Method = "SEARCH";
                // Encode the body 
                bytes = this.Encode.GetBytes((string)strBody);
                
                // Set the content header length.  This must be
                // done before writing data to the request stream.
                objRequest.ContentLength = bytes.Length;

                // Get a reference to the request stream.
                requestStream = objRequest.GetRequestStream();
                

                // Write the request body to the request stream.
                requestStream.Write(bytes, 0, bytes.Length);

                // Close the Stream object to release the connection
                // for further use.
                requestStream.Close();

                // Set the content type header.
                objRequest.ContentType = "text/xml";

                // Send the PROPFIND method request and get the
                // response from the server.
                objResponse = (HttpWebResponse)objRequest.GetResponse();
                //return null;

                // Get the XML response stream.
                responseStream = objResponse.GetResponseStream();

                // Create the XmlDocument object from the XML response stream.
                responseXmlDoc = new XmlDocument();
                responseXmlDoc.Load(responseStream);
                
                // Clean up.
                responseStream.Close();
                objResponse.Close();
                responseXmlDoc.Save(@"C:\jjj.xml");
                return responseXmlDoc;

            }
            catch(Exception e)
{
                throw new Exception("Can't get the data" + e.ToString());
            }            
        }

        /// 删除一个item
        /// </summary>
        /// <param name="itemUrl"></param>
        public void DeleteItem(string itemUrl)
{
            try
{
                objRequest = (System.Net.HttpWebRequest)HttpWebRequest.Create(itemUrl);

                // Add the network credentials to the request.
                objRequest.Credentials = this.Session.Credentials;

                // Specify the DELETE method.
                objRequest.Method = "DELETE";

                // Send the DELETE method request.
                objResponse = (System.Net.HttpWebResponse)objRequest.GetResponse();

                // Close the HttpWebResponse object.
                objResponse.Close();

                //Console.WriteLine("Item successfully deleted.")

            }
            catch(Exception e)
{
                throw new Exception("Can't delete the item" + e.ToString());

            }
        }

        /// create a subfolder
        /// </summary>
        /// <param name="strBody"></param>
        public void CreateFolder(string folderName)
{
            //string strSrcURI = ItemURL;
            try
{
                // Create the HttpWebRequest object.
                objRequest = (HttpWebRequest)HttpWebRequest.Create(Url + "/" + folderName);
                // Add the network credentials to the request.
                objRequest.Credentials = m_Session.Credentials;
                // Specify the method.
                objRequest.Method = "MKCOL";

                objResponse = (System.Net.HttpWebResponse)objRequest.GetResponse();

                // Close the HttpWebResponse object.
                objResponse.Close();
                
            }
            catch(Exception e)
{
                throw new Exception("Can't create the foder" + e.ToString());
            }            
        }
//        public DataSet GetDataFromXmlDocument(XmlDocument xml)
//        {
//            XmlDocument xd = new XmlDocument();
//            xd.LoadXml("<myroot>" + FieldStr + "</myroot>");
//            XPathNavigator xpn = xd.CreateNavigator();
//            XPathNodeIterator ni = xpn.Select("/myroot/Field");
//            while (ni.MoveNext())
//            {
//                SpsExpendFieldData objFieldData = SpsExpendFieldData.Create(ni.Current.GetAttribute("Name",""),
//                    ni.Current.GetAttribute("ColName",""),
//                    0,
//                    ni.Current.GetAttribute("Type",""));
//                result.Add(objFieldData);
//            }
//            return result;
//        }
    }
}

WebExchange obj = new WebExchange(WebDavSession.GetSession(ISoftStone.AccessExchange.WebDav.User.GetUser("jianli","password","iisdnet"),
                "http://10.10.10.10/exchange/jianli/日历"));

            System.Text.StringBuilder sb = new System.Text.StringBuilder();
            sb.Append(" <?xml version=\"1.0\"?>");
            sb.Append(" <D:searchrequest xmlns:D = \"DAV:\" >");
            sb.Append(" <D:sql>");
            sb.Append(" SELECT \"DAV:displayname\"");
            sb.Append(" ,\"DAV:href\" ");
            sb.Append(",\"urn:schemas:calendar:dtstart\" ");
            sb.Append(",\"urn:schemas:calendar:dtend\" ");
            sb.Append(" ,\"urn:schemas:calendar:location\"");
            sb.Append(",\"urn:schemas:calendar:busystatus\" ");
            sb.Append(",\"urn:schemas:httpmail:subject\"");
            sb.Append(" ,\"urn:schemas:httpmail:htmldescription\"" );
            sb.Append(" FROM  \"http://10.10.10.10/exchange/jianli/日历\"");
            sb.Append(" WHERE \"urn:schemas:calendar:dtstart\" >= '" + this.TBBeginTime.Text.Trim() + "' ");
            sb.Append(" AND \"urn:schemas:calendar:dtstart\" &lt; '2006-01-01' ");
            sb.Append(" </D:sql></D:searchrequest> ");

DataSet ds = new DataSet();
            DataTable db = new DataTable();
            ds.Tables.Add(db);
            
            ds.Tables[0].Columns.Add("displayname",System.Type.GetType("System.String"));
            ds.Tables[0].Columns.Add("href",System.Type.GetType("System.String"));
            ds.Tables[0].Columns.Add("dtstart",System.Type.GetType("System.DateTime"));
            ds.Tables[0].Columns.Add("dtend",System.Type.GetType("System.DateTime"));
            ds.Tables[0].Columns.Add("location",System.Type.GetType("System.String"));
            ds.Tables[0].Columns.Add("busystatus",System.Type.GetType("System.String"));
            ds.Tables[0].Columns.Add("subject",System.Type.GetType("System.String"));
            ds.Tables[0].Columns.Add("htmldescription",System.Type.GetType("System.String"));
            //ds.Tables[0].Columns.Add("href",System.Type.GetType("System.String"));

            XmlDocument xd;
            //xd.Load(@"C:\jjj.xml");
            xd = obj.SearchItems(sb.ToString());
        

            XPathNavigator xpn = xd.CreateNavigator();
            XPathExpression expr = xpn.Compile("//a:multistatus/a:response/a:propstat/a:prop");
            XmlNamespaceManager nsmgr = new XmlNamespaceManager(xpn.NameTable);
            nsmgr.AddNamespace("a","DAV:");
            nsmgr.AddNamespace("d","urn:schemas:calendar:");
            expr.SetContext(nsmgr);

            XPathNodeIterator ni = xpn.Select(expr);
            Response.Write(ni.Count);
            while (ni.MoveNext())
{
                
                //if(ni.Current.Value != "")
{
                    DataRow row = ds.Tables[0].NewRow();
                    XPathNodeIterator mi = ni.Current.SelectChildren("displayname","DAV:");
                    while(mi.MoveNext())
{
                        row["displayname"] = mi.Current.Value;
                        //Response.Write("[" + mi.Current.Value + "]");
                    }
                    mi = null;
                    mi = ni.Current.SelectChildren("href","DAV:");
                    while(mi.MoveNext())
{
                        row["href"] = mi.Current.Value;
                        //Response.Write("[" + mi.Current.Value + "]");
                    }
                    mi = null;
                    mi = ni.Current.SelectChildren("dtstart","urn:schemas:calendar:");
                    while(mi.MoveNext())
{
                        row["dtstart"] = (Convert.ToDateTime(mi.Current.Value));
                        //Response.Write("[" + mi.Current.Value + "]");
                    }
                    mi = null;
                    mi = ni.Current.SelectChildren("dtend","urn:schemas:calendar:");
                    while(mi.MoveNext())
{
                        row["dtend"] = (Convert.ToDateTime(mi.Current.Value));//.AddHours(8);
                        //Response.Write("[" + mi.Current.Value + "]");
                    }
                    mi = null;
                    mi = ni.Current.SelectChildren("location","urn:schemas:calendar:");
                    while(mi.MoveNext())
{
                        row["location"] = mi.Current.Value;
                        //Response.Write("[" + mi.Current.Value + "]");
                    }
                    mi = null;
                    mi = ni.Current.SelectChildren("busystatus","urn:schemas:calendar:");
                    while(mi.MoveNext())
{
                        row["busystatus"] = mi.Current.Value;
                        //Response.Write("[" + mi.Current.Value + "]");
                    }
                    mi = null;
                    mi = ni.Current.SelectChildren("subject","urn:schemas:httpmail:");
                    while(mi.MoveNext())
{
                        row["subject"] = mi.Current.Value;
                        //Response.Write("[" + mi.Current.Value + "]");
                    }
                    mi = null;
                    mi = ni.Current.SelectChildren("htmldescription","urn:schemas:httpmail:");
                    while(mi.MoveNext())
{
                        row["htmldescription"] = mi.Current.Value;
                        //Response.Write("[" + mi.Current.Value + "]");
                    }
                    ds.Tables[0].Rows.Add(row);
                }

                //                SpsExpendFieldData objFieldData = SpsExpendFieldData.Create(ni.Current.GetAttribute("Name",""),
                //                    ni.Current.GetAttribute("ColName",""),
                //                    0,
                //                    ni.Current.GetAttribute("Type",""));
                //                result.Add(objFieldData);
                
            }

exchange日历中的字段列表

最近工作中遇到些烦心的事,郁闷了好几天总也开心不起来,现在想通了

开心就好