IListSource 不包含任何数据源

哈哈，楼主，昨天我遇到跟你一样的问题，到你这个帖子来看，很失望，居然没人回答，不过我今天已经解决问题了（*^__^*）
我给我的例子你，希望对你有所帮助
基本出现数据源连接错误是连接不上数据库或连接表与之间的错误
（新闻后天管理删除编辑）
前台代码

ForeColor="#333333" GridLines="None"
OnRowDeleting="GridView1_RowDeleting" OnRowEditing="GridView1_RowEditing"
OnRowUpdating="GridView1_RowUpdating"
OnRowCancelingEdit="GridView1_RowCancelingEdit" Height="264px" Width="684px">

















后台代码
//注意加上
//using System.Data.Sql;
//using System.Data.SqlClient;
//using System.Data.SqlTypes;
public partial class admin_adminline : System.Web.UI.Page
{
private string strCon = System.Configuration.ConfigurationManager.ConnectionStrings["lxsConnectionString"].ConnectionString;

SqlConnection sqlcon;
SqlCommand sqlcom;

protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
bind();
}
}
protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
{
GridView1.EditIndex = e.NewEditIndex;
bind();
}

//删除
protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
string sqlstr = "delete from news where n_id='" + GridView1.DataKeys[e.RowIndex].Value.ToString() + "'";
sqlcon = new SqlConnection(strCon);
sqlcom = new SqlCommand(sqlstr,sqlcon);
sqlcon.Open();
sqlcom.ExecuteNonQuery();
sqlcon.Close();
bind();
}

//更新
protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
sqlcon = new SqlConnection(strCon);
string sqlstr = "update news set n_bt='"
+ ((TextBox)(GridView1.Rows[e.RowIndex].Cells[1].Controls[0])).Text.ToString().Trim() + "',n_sitadd='"
+ ((TextBox)(GridView1.Rows[e.RowIndex].Cells[2].Controls[0])).Text.ToString().Trim() + "',n_time='"
+ ((TextBox)(GridView1.Rows[e.RowIndex].Cells[3].Controls[0])).Text.ToString().Trim() + "' where n_id='"
+ GridView1.DataKeys[e.RowIndex].Value.ToString() + "'";
sqlcom=new SqlCommand(sqlstr,sqlcon);
sqlcon.Open();
sqlcom.ExecuteNonQuery();
sqlcon.Close();
GridView1.EditIndex = -1;
bind();
}

//取消
protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
{
GridView1.EditIndex = -1;
bind();
}

//绑定
public void bind()
{
string sqlstr = "select * from news";
SqlConnection sqlcon = new SqlConnection(strCon);
SqlDataAdapter myda = new SqlDataAdapter(sqlstr, sqlcon);
DataSet myds = new DataSet();
sqlcon.Open();
myda.Fill(myds, "news");
GridView1.DataSource = myds;
GridView1.DataKeyNames = new string[] { "n_id" };//主键
GridView1.DataBind();//我当时也是这里出问题，是表的id出错了
sqlcon.Close();
}
}