PropertyProxyValidator
The Validation Guidance Bundle Screencast demonstrates using the ServerSideValidationExtender Control with the PropertyProxyValidator Control in the Enterprise Library 3.1 Validation Application Block to provide a rich UI validation experience using AJAX and Partial-Page PostBacks to avoid submitting the page back to the web server.
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The ServerSideValidationExtender in the Validation Guidance Bundle provides a richer user experience for the PropertyProxyValidator in the Validation Appplication Block by doing Server-Side Validation via AJAX using a Partial-Page Postback.
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The Validation Guidance Bundle from the Web Client Software Factory project offers a richer user experience using the Validation Application Block. It still performs a partial page postback, however, which get me wondering if this is the best the Microsoft patterns & practices team can do.
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The Validation Guidance Bundle has been released from Microsoft Patterns & Practices. The Validation Guidance Bundle addresses how to improve UI responsiveness by 1) Validating data server-side with ASP.NET validators, 2) Reusing property and entity business validation logic across screens, layers, and applications, and 3) Guideliness for implementating validation and improving security.
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The screencast discusses the ValueConvert Event of the PropertyProxyValidator that is used to convert form control values to types expected by the Validators.
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