private void populateMerchantType() { MerchantTypeService.serMerchantType merchanttype = new MerchantTypeService.serMerchantType(); DataSet dataset = merchanttype.MerchantType_GetTypename(); ddlMerchantType.Items.Clear(); foreach (DataRow dr in dataset.Tables[0].Rows) { string s = dr["merchanttypename"].ToString(); ListItem listItem = new ListItem(); listItem.Text = s; listItem.Value = dr["merchanttypename"].ToString(); ddlMerchantType.Items.Add(listItem); } }