private void btnDelete_Click(object sender, RoutedEventArgs e)
{
if (lstRole.SelectedIndex == -1)
return;
RoleHelper client = new RoleHelper();
try
{
client.DeleteRole(user, ((RoleWithUser)lstRole.SelectedItem).role.RoleID);
MessageBox.Show("Operation succeeded!");
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
client.Close();
}
loadRoles();
}