private void btnLicence_Click(object sender, EventArgs e)
{
try
{
if (txtLicence.Text != "")
{
LicenceManager licMG = new LicenceManager();
Lic lic = licMG.GetAll().FirstOrDefault(l => l.Lic1 == txtLicence.Text);
if (lic != null)
{
File.Create(@"C:\Windows\lic.txt");
licMG.Delete(lic);
Users.FRM_Login login = new Users.FRM_Login();
this.Hide();
login.ShowDialog();
Application.Exit();
}
else
{
MessageBox.Show("عفواّ رقم الترخيص غير صحيح");
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
