private void ProductSettingScreen_Load(object sender, EventArgs e)
{
dataGridView.DataSource = sellerService.AllProductList(new Contracts.Request.Product.AllProductRequest(seller.SellerID));
var categorylist = sellerService.CategoryList();
cbCategory.DataSource = categorylist;
cbCategory.DisplayMember = "CategoryName";
var UnitList = sellerService.UnitList();
cbUnit.DataSource = UnitList;
cbUnit.DisplayMember = "UnitName";
var statulist = sellerService.StockStatusList();
cbStatu.DataSource = statulist;
cbStatu.DisplayMember = "StockStatus";
}