protected void BUCallBackPanel_Callback(object sender, CallbackEventArgsBase e)
        {
            ASPxPageControl pageControl = BUDeptListGrid.FindEditFormTemplateControl("BUHeadPageControl") as ASPxPageControl;
            ASPxComboBox    entCode     = pageControl.FindControl("EntityCode") as ASPxComboBox;

            ASPxCallbackPanel callBackPanel = pageControl.FindControl("BUCallBackPanel") as ASPxCallbackPanel;
            ASPxComboBox      buCode        = callBackPanel.FindControl("BUCode") as ASPxComboBox;

            buCode.Value = "";
            buCode.Text  = "";

            DataTable dtRecord = GlobalClass.EntBUSSUTable(entCode.Value.ToString());

            buCode.DataSource = dtRecord;

            //ListBoxColumn l_value = new ListBoxColumn();
            //l_value.FieldName = "ID";
            //l_value.Caption = "ID";
            //buCode.Columns.Add(l_value);

            //ListBoxColumn l_text = new ListBoxColumn();
            //l_text.FieldName = "NAME";
            //l_text.Caption = "Name";
            //buCode.Columns.Add(l_text);

            buCode.TextField        = "NAME";
            buCode.ValueField       = "ID";
            buCode.TextFormatString = "{1}";
            buCode.DataBind();
        }