/// Promotion
private void BtnAddPromotion_Click(object sender, RoutedEventArgs e)
{
if (WhatRole == "Admin" || WhatRole == "Cashier")
{
PromotionWindow proWin = new PromotionWindow(EmployeeId, null);
this.Close();
proWin.ShowDialog();
}
else
{
MessageBox.Show("You're NOT allowed");
}
}
private void BtnDetailPromotion_Click(object sender, RoutedEventArgs e)
{
if (WhatRole == "Admin" || WhatRole == "Cashier")
{
var selectedPromotion = dataGridPromotion.SelectedItem as KhuyenMai;
if (selectedPromotion == null)
{
MessageBox.Show("Please Choose The Promotion");
return;
}
PromotionWindow proWin = new PromotionWindow(EmployeeId, selectedPromotion);
this.Close();
proWin.ShowDialog();
}
else
{
MessageBox.Show("You're NOT allowed");
}
}