private void InitialControl() { AppUtil.SetNotThaiCharacter(txtNameEn); AppUtil.SetNotEnglishCharacter(txtNameTh); AppUtil.SetNumbericCharacter(txtTaxCode); AppUtil.SetNumbericCharacter(txtPostcode); cmbProductAdd.DataSource = ProductBiz.GetProductList(); cmbProductAdd.DataBind(); cmbProductSearch.DataSource = ProductBiz.GetProductList(); cmbProductSearch.DataBind(); cmbProvince.DataSource = ObtScr019Biz.GetProvinceData(); cmbProvince.DataBind(); cmbProvince.Items.Insert(0, new ListItem("", "-1")); cmbProvince_SelectedIndexChanged(null, null); rdActive.Checked = true; rdNoActive.Checked = false; }