“type”并不包含“identifier”定义之解决办法

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;

public partial class DataView : System.Web.UI.Page

{

private static String myConnectionString = “Data Source=.;database=CDB;uid=sa;pwd=; “;

protected void Page_Load(object sender, EventArgs e)

{

SqlConnection myConnection = new SqlConnection(myConnectionString);

string cmdText = “Select RealName,Email,Address from users INNER JOIN UserConts ON Users.UserID=UserConts.UserID “;

SqlDataAdapter da = new SqlDataAdapter(cmdText, myConnection);

da.SelectCommand.CommandType = CommandType.Text;

myConnection.Open();

DataSet dataset = new DataSet();

da.Fill(dataset);

myConnection.Close();

DataView dataview = new DataView();

dataview = dataset.Tables[0].DefaultView;       //错误1

dataview.Sort = “RealName DESC “;    //错误2

dataview.RowFilter = “(Email LIKE 'w* ') OR (Email LIKE 'z* ') “;     //错误3

sortGridView.DataSource = dataview;

sortGridView.DataBind();

}

}