Easy Tutorial
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❮ Prop Webcontrol Textbox Readonly Control Reqfieldvalidator ❯

ASP.NET CustomValidator Control

Definition and Usage

The CustomValidator control allows you to write methods to handle input value validation.

Properties

Property Description
BackColor The background color of the CustomValidator control.
ClientValidationFunction Specifies the name of the client-side script function to be executed. Note: The script must be written in a language supported by the browser, such as VBScript or JScript. When using VBScript, the function must be within the form: Sub FunctionName (source, arguments). When using JScript, the function must be within the form: Function FunctionName (source, arguments).
ControlToValidate The ID of the control to be validated.
Display The display behavior of the validation control. Legal values are: None - The control does not display. Used only for displaying error messages in the ValidationSummary control.<br> Static - The control displays the error message if validation fails. Space for the message is reserved on the page even if the input passes validation.<br> Dynamic - The control displays the error message if validation fails. Space for the message is dynamically added to the page if the input passes validation.
EnableClientScript A Boolean value that specifies whether client-side validation is enabled.
Enabled A Boolean value that specifies whether the validation control is enabled.
ErrorMessage The text displayed in the ValidationSummary control when validation fails. Note: If the Text property is not set, the text is also displayed in the validation control.
ForeColor The foreground color of the control.
id The unique ID of the control.
IsValid A Boolean value indicating whether the control specified by ControlToValidate passed validation.
OnServerValidate Specifies the name of the server-side validation script function to be executed.
runat Specifies that the control is a server control. Must be set to "server".
Text The message displayed when validation fails.

Example

CustomValidator

❮ Prop Webcontrol Textbox Readonly Control Reqfieldvalidator ❯