private void txtCustomerID_Validating(object sender, CancelEventArgs e)
{
//This method is to check if the customerID exists in database
try
{
int ID = Convert.ToInt32(txtCustomerID.Text);
customer = VideoDb.SelectCustomer_by_ID(ID);
if (customer == null)
{
MessageBox.Show("No customer found with this ID. " + "Please try again.", "Customer Not Found", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().ToString(), MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void GetCustomer_by_ID(int customerID)
{
try
{
customer = VideoDb.SelectCustomer_by_ID(customerID);
if (customer == null)
{
MessageBox.Show("No customer found with this ID. " + "Please try again.", "Customer Not Found", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
Displaycustomer();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().ToString(), MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}