private void DataBind(string key = "")
{
DataTable dt = new DataTable();
string UserID = buser.GetLogin().UserID.ToString();
dt = B_Message.SeachSendMessage(UserID, 0, 1);
if (!string.IsNullOrEmpty(key.Trim()))
{
dt.DefaultView.RowFilter = "Title Like '%" + key + "%'";
}
EGV.DataSource = dt;
EGV.DataBind();
Session["UserDT"] = null;
}