/// <summary>
/// Shows exception message on the UI
/// </summary>
/// <param name="validationResults">Validation results.</param>
/// <param name="p">Variable no of objects.</param>
public void Handle(ValidationResultCollection validationResults, params object[] p)
{
Page page = HttpContext.Current.Handler as Page;
if (page == null) return;
var control = ControlHelper.Find<UserControl>(page, "ExceptionControl");
if (control != null) control.Visible = true;
Label l = ControlHelper.Find<Label>(page, "lblException");
if (l != null) l.Text = validationResults.ToArray().ConvertToString("<br>");
}