DataTable 转换 Json 以及 js读取

数据页面代码

View Code

#region  将table转换为json
/// <summary>
/// 将table转换为json
/// </summary>
/// <param name="dt"></param>
/// <returns></returns>
    public string ConvertDataTableToJson(DataTable dt)
    {
        StringBuilder sbs = new StringBuilder();
if (dt.Rows.Count > 0)
        {
            sbs.Append("{'" + dt.TableName + "':[");
string str = "";
foreach (DataRow dr in dt.Rows)
            {
//获取列名
                string result = "";
foreach (DataColumn dc in dt.Columns)
                {
                    result += string.Format(",'{0}':'{1}'", dc.ColumnName, dr[dc.ColumnName]);
                }
                result = result.Substring(1);
                result = ",{" + result + "}";
                str += result;
            }
            str = str.Substring(1);
            sbs.Append(str);
            sbs.Append("]}");
return sbs.ToString();
        }
else
        {
return "";
        }
    }
#endregion

 

js处理

View Code

var objs = xmlHttp.responseText;
objs = eval("(" + objs + ")");
objs = objs.UserInfo;
//UserInfo 表名
var name=objs.name; //name是字段