private void BtnAdd_Click(object sender, EventArgs e)
{
if (!Validation())
{
return;
}
var customer = new Library.Models.Customer();
customer.FirstName = TxtFirstName.Text;
customer.LastName = TxtLastName.Text;
customer.PhoneNumber = TxtPhoneNo.Text;
customer.Email = TxtEmail.Text;
#region VERIFY THAT DUPLICATE EMAIL ADDRESS IS NOT ENTERED TO THE SYSTEM
List <Library.Models.Customer> cs = _context.Customers.Where(c => c.Email.Contains(TxtEmail.Text)).ToList();
foreach (var item in cs)
{
if (item.Email == customer.Email)
{
LblEmail.ForeColor = Color.Red;
MessageBox.Show("Email address has already been used, please use a different email.", "Attention!");
return;
}
}
#endregion
_context.Customers.Add(customer);
_context.SaveChanges();
FillCustomerList();
ResetForm();
MessageBox.Show("New Customer is successfully added to the list.", "UPDATE");
}
private void DgvCustomer_RowHeaderMouseClick(object sender, DataGridViewCellMouseEventArgs e)
{
BtnAdd.Visible = false;
BtnUpdate.Visible = true;
BtnDelete.Visible = true;
foreach (var item in _context.Customers.ToList())
{
int Id = Convert.ToInt32(DgvCustomer.Rows[e.RowIndex].Cells[0].Value.ToString());
SelectedCustomer = _context.Customers.Find(Id);
TxtFirstName.Text = SelectedCustomer.FirstName;
TxtLastName.Text = SelectedCustomer.LastName;
TxtPhoneNo.Text = SelectedCustomer.PhoneNumber;
TxtEmail.Text = SelectedCustomer.Email;
}
}
