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120 Chapter 11: Web Page
CustomValidator Checks the user's entry using
validation logic that you code
yourself. This type of
validation allows you to check
for values derived at run time.
ValidationSummary Displays the validation errors
in summary form for all of the
validators on a page.
11.3.1 Apply Validation Control In A Web Form
Add RequiredFieldValidator to a web form as shown in
Figure 11.6. Set the properties as shown in Table11.4.
Figure 11.6 Required Field Validator Control
