private void BtnDelete_Click(object sender, EventArgs e)
{
try
{
if (!Global.ComboNull(CboEmail))
{
throw new Exception("Select Email address");
}
loyalcustomer = new LoyalCustomer();
loyalcustomer.Email = CboEmail.Text;
loyalcustomer.CustomerId = Convert.ToInt32(CboEmail.SelectedValue);
bool flag = loyalcustomer.DeleteLoyalCustomer();
if (flag == true)
{
LoadLoyalCustomerCbo();
MessageBox.Show("Selected loyal customer is deleted");
}
else
{
MessageBox.Show("Email address does not exist");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void LoadCustomerCbo()
{
loyalcustomer = new LoyalCustomer();
CboLoyalcustomer.DisplayMember = "Email";
CboLoyalcustomer.ValueMember = "LoyalCustomerId";
CboLoyalcustomer.DataSource = loyalcustomer.GetLoyalCustomer().Tables["LoyalCustomer"];
}
private void BtnAddcust_Click(object sender, EventArgs e)
{
try
{
if (!Global.InputHandle(TxtEmail))
{
throw new Exception("Enter Email address");
}
if (!Global.IsValidEmail(TxtEmail.ToString()))
{
throw new Exception("Invalid Email address");
}
loyalcustomer = new LoyalCustomer();
loyalcustomer.Email = TxtEmail.Text;
bool flag = loyalcustomer.AddLoyalCustomer();
if (flag == true)
{
MessageBox.Show("Loyal Customer added");
TxtEmail.Text = "";
}
else
{
MessageBox.Show("Email address already exist");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void CboLoyalcustomer_SelectedIndexChanged(object sender, EventArgs e)
{
if (CboLoyalcustomer.SelectedIndex != -1)
{
loyalcustomer = new LoyalCustomer();
loyalcustomer.CustomerId = Convert.ToInt32(CboLoyalcustomer.SelectedValue);
string points = loyalcustomer.GetCustomerPoints().Rows[0][0].ToString();
LblPoints.Text = points;
}
}