private void btnCustomersUpdate_Click(object sender, EventArgs e)
{
string customerName = txtCustomersFName.Text + txtCustomersLName;
if (string.IsNullOrWhiteSpace(txtCustomersFName.Text) || customerName.Any(Char.IsDigit))
{
MessageBox.Show("Please enter valid Customer name.", "Error Message");
txtCustomersFName.Clear();
txtCustomersLName.Clear();
txtCustomersFName.Focus();
}
else
{
try
{
var booking = new Booking(database);
var result = booking.UpdateCustomer(((Customer) cboCustomersName.SelectedItem).Id,
txtCustomersFName.Text, txtCustomersLName.Text);
if (result)
{
cboCustomersName.DataSource = booking.GetCustomer().ToList();
cboCustomersName.DisplayMember = "Name";
txtCustomersFName.Clear();
txtCustomersLName.Clear();
cboRentCustomerName.DataSource = booking.GetCustomer().ToList();
cboRentCustomerName.DisplayMember = "Name";
FillBookingList();
}
else
{
MessageBox.Show("Update not successfull: Customer already exists.", "Error Message");
}
}
catch (VideoRentalException ex)
{
MessageBox.Show(String.Format("Error occured: Customar {0} is not updated succesfully", ex.Item.Name));
}
catch (Exception ex)
{
MessageBox.Show(string.Format("Error Occoured: {0}", ex.Message));
}
}
}
