public Receive_Order(int ID) { InitializeComponent(); UserID = ID; //ProductsReceivedTable.Columns.Add("rotid"); //ProductsReceivedTable.Columns.Add("roid"); ProductsReceivedTable.Columns.Add("ID"); ProductsReceivedTable.Columns.Add("Product"); ProductsReceivedTable.Columns.Add("Quantity"); ProductsReceivedTable.Columns.Add("Total Price"); ProductsReceived.DataSource = ProductsReceivedTable; dgvReceivedProducts.DataSource = ProductsReceived; ProductsData.DataSource = GeneralMethods.GetProductsForReceiveOrder(); dgvProducts.DataSource = ProductsData; dgvProducts.ClearSelection(); cmbVendor.DataSource = GeneralMethods.GetVendors(); cmbVendor.DisplayMember = "vname"; cmbVendor.SelectedIndex = -1; cmbCategory.DataSource = GeneralMethods.GetCategories(); cmbCategory.DisplayMember = "catname"; cmbCategory.SelectedIndex = -1; }