private void DGVCategoriesView() { DGVMainData.setName(DataGridViewNew.DGVMainDataNames.categories.ToString()); string[,] columns = { { "id", "ID" }, { "name", "Nazwa" }, { "itemsCount", "Ilość rzeczy" } }; DGVMainData.AddColumns(columns); var query = queries.getGridViewCategory(); foreach (var item in query) { DGVMainData.Rows.Add(item.id, item.name, item.itemsCount); } DGVMainData.changeIdColumnVisableToFalse(); }