protected void lbtnDelete_Click(object sender, EventArgs e)
        {
            List <object> fieldValues = ASPxGridView1_project.GetSelectedFieldValues(new string[] { "ID" });

            foreach (var item in fieldValues)
            {
                _member.Remove(Utils.CIntDef(item));
            }
            ClientScript.RegisterStartupScript(GetType(), "Load", "<script type='text/javascript'>parent.emailwindow.close(); parent.GetCurrentTime()</script>");
        }