From http://www.w3schools.com (Copyright Refsnes Data)

ASP.NET ValidationSummary Control


Validation Control Reference Complete Validation Control Reference

Definition and Usage

The ValidationSummary control is used to display a summary of all validation errors occurred in a Web page.

The error message displayed in this control is specified by the ErrorMessage property of each validation control. If the ErrorMessage property of the validation control is not set, no error message is displayed for that validation control.


Properties

Property Description
DisplayMode How to display the summary. Legal values are:
  • BulletList
  • List
  • SingleParagraph
EnableClientScript A Boolean value that specifies whether client-side validation is enabled or not
Enabled A Boolean value that specifies whether the validation control is enabled or not
ForeColor The fore color of the control
HeaderText A header in the ValidationSummary control
id A unique id for the control
runat Specifies that the control is a server control.  Must be set to "server"
ShowMessageBox A Boolean value that specifies whether the summary should be displayed in a message box or not
ShowSummary A Boolean value that specifies whether the ValidationSummary control should be displayed or hidden

Examples

Validationsummary
In this example we use the ValidationSummary control to write a bulleted list of fields that are required but left empty by the user.

Validationsummary 2
In this example we use the ValidationSummary control to display a message box of the fields that are required but left empty by the user.


Validation Control Reference Complete Validation Control Reference

From http://www.w3schools.com (Copyright Refsnes Data)