private void btnUploadNew_Click(object sender, EventArgs e)
{
FormProduct product = new FormProduct();
product.Show();
this.Hide();
}
private void btnUploadExistedProduct_Click(object sender, EventArgs e)
{
if (this.dataGridView.SelectedRows.Count == 0 || this.dataGridView.SelectedRows.Count > 1)
{
MessageBox.Show("请选择一个已有的产品！");
return;
}
Product p = GetSelectedProduct();
FormProduct formProduct = new FormProduct();
formProduct.ExistedProduct = p;
formProduct.Show();
this.Hide();
}