private void UpdateMapperDataSourceFields(string tableName, ICollection <ListMappingField> mapFields, string key) { var fields = _configService.TablesFields(tableName); ColumnsMapperRep.DataSource = fields.Where(item => !String.Equals(item, key, StringComparison.InvariantCultureIgnoreCase)).Select(item => new { DbColumnName = item, DbColumnId = item, ShPColumnIntName = mapFields == null ? "" : mapFields.Where(f => f.FieldName == item).Select(f => f.ItemName).FirstOrDefault() }); ColumnsMapperRep.DataBind(); }