protected void LoadAdditionalService() { try { additionalService.CompanyId = SessionHandler.CurrentCompanyId; dsData = additionalService.SelectAllDataset(); gvAdditionalService.DataSource = dsData.Tables[0]; dsData.Tables[0].PrimaryKey = new DataColumn[] { dsData.Tables[0].Columns["AdditionalServiceId"] }; Session[Constants.SESSION_ADDITIONALSERVICE] = dsData; } catch (System.Exception) { } }