//--------------------------- // ADD ITEM BUTTON METHODS | //--------------------------- private void btnAddSupplier_Click(object sender, EventArgs e) { Supplier_AddForm saf = new Supplier_AddForm(); saf.ShowDialog(); if (saf.Cancel == false) { supplierList.Add(new Supplier( supplierIDCounter, saf.SupplierName, saf.SupplierPerson, saf.SupplierNumber, saf.SupplierEmail, saf.SupplierAddress)); dgvSuppliers.Rows.Add(saf.SupplierName, saf.SupplierPerson, saf.SupplierNumber); Supplier newSupplier = (Supplier)supplierList[(supplierList.Count - 1)]; //Casting sql.InsertSupplier(newSupplier); supplierIDCounter++; } }