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>"); }