In this article we will see how to apply custom CSS on ValidationSummary to make it looks better. You can also visit my other posts related to ValidationSummary Control http://www.codinfusion.com/post/ValidationSummary-Example-in-asp-net and http://www.codinfusion.com/post/Show-ValidationSummary-in-Popup-using-Asp-Net
Step1 : Take three TextBox controls name, age and email. Apply necessary Validators to these Textboxes. Create ValidationSummary Control to show error messages.
Step2: Create CSS