private void loadRoles()
        {
            RoleHelper client = new RoleHelper();

            try
            {
                List<RoleWithUser> RoleList = client.ViewEventRoles(user, event_).ToList<RoleWithUser>();
                if (RoleList.Count > 0)
                {
                    lblNoManpower.Visibility = Visibility.Collapsed;
                    lstRole.Visibility = Visibility.Visible;
                    lstRole.ItemsSource = RoleList;
                }
                else
                {
                    lblNoManpower.Visibility = Visibility.Visible;
                    lstRole.Visibility = Visibility.Collapsed;
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
            finally
            {
                client.Close();
            }
        }
 private void loadRoles()
 {
     RoleHelper client = new RoleHelper();
     try
     {
         lstRole.ItemsSource = client.ViewEventRoles(user, event_).ToList<RoleWithUser>();
     }
     catch (Exception ex)
     {
         MessageBox.Show(ex.Message);
     }
     finally
     {
         client.Close();
     }
     clearAll();
 }
 private void LoadRoles()
 {
     RoleHelper client = new RoleHelper();
     try
     {
         cboRole.DisplayMemberPath = "user";
         cboRole.SelectedValuePath = "role.RoleID";
         roleByEvent = client.ViewEventRoles(user, event_).ToList<RoleWithUser>();//client.ViewEventRoles(user, event_).ToList<Tuple<Role, string>>();
         cboRole.ItemsSource = roleByEvent;
     }
     catch (Exception ex)
     {
         MessageBox.Show(ex.Message);
     }
     finally
     {
         client.Close();
     }
 }