/// <summary>
/// Modify the current selected product in the database
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
/// @Author - Rohit
private void btnModifyProducts_Click(object sender, EventArgs e)
{
products = ProductsDB.GetAllProducts();
if (products.FindIndex(prod => prod.ProductName == txtProductName.Text) >= 0)
{
MessageBox.Show("That product is already added.");
}
else
{
try
{
int ProdID = Convert.ToInt32(ComProductId.SelectedItem);
string ProdName = txtProductName.Text;
if (string.IsNullOrEmpty(ProdName) || ComProductId.SelectedItem == null) // validation for null product name
{
MessageBox.Show("Please enter product name and select product ID.", "Incorrect Value");
}
else // if the product name is not null then use the modify method form database access class to modify the product
{
ProductsDB.ModifyProducts(ProdName, ProdID);
MessageBox.Show("Product name updated successfully", "Update"); // message pop up
clear(); // clears the fields after modifying
ShowProductsInProductsTab(); // updates the datagridview after modifying the products
}
}
catch (FormatException) // catches any format issues and null value exceptions
{
MessageBox.Show("Null values are not allowed", "Null Value Exception"); // message pop up
}
}
}