private void butnViewWithLabel_Click(object sender, EventArgs e) { var helper = new ProductManager(); dtGridProducts.DataSource = helper.GetProductLabel(cmbLabelGrid.Text.ToString()); txtCountProductGrid.Text = helper.GetAllProductCount(helper.GetProductLabel(cmbLabelGrid.Text.ToString())).ToString(); txtAllPriceGrid.Text = helper.GetAllProductPrice(helper.GetProductLabel(cmbLabelGrid.Text.ToString())).ToString(); }