2、添加System.Web引用
3、导入System.Web.UI.WebControls.Webpart
4、打开Properties>AssemblyInfo.cs，导入using System.Security;[assembly: AllowPartiallyTrustedCallers] 添加WebPart时要安全验证
5、把webPart bin下webpart.dll拷到 wwwroot\wss\VirtualDirectories\991\bin
6、用Reflector打开*.dll找到Name,并在WEbConfig下配置：<SafeControl Assembly="WebpartTest, Version=1.0.0.0, Culture=neutral, PublicKeyToken=683dad14cafc275e" Namespace="BaoAn.WebpartTest" TypeName="*" Safe="True" />
7、在到sharepoint下》网站设置》Web 控件》新建》找到新加的控件即可添加
8、在页面上添加webpart控件