asp.net中DataList控件中的Lable控件中的数据怎么取出来啊

要怎么把datalist已经显示了的数据读出来再次传给其他界面呢

protected void btntest_Click(object sender, EventArgs e)
    {

        foreach (DataListItem item in DataList1.Items)
        {
            lblm.Text += "," + ((Label)(item.FindControl("lblid11"))).Text;
        }
    }


                 protected void DataList1_ItemCommand(object source, DataListCommandEventArgs e)
{
if (e.CommandName == "call")
 {
 DataListItem item=(DataListItem)(((Button) (e.CommandSource)).NamingContainer);
 string text = ((Label)item.FindControl("lblid12")).Text;
}
}