Lesson 11: Build Your Own Validation Using the [CustomValidation] Attribute

Published: 09 February 2024
on channel: Paul D. Sheriff
130
5

Lesson 11: Build Your Own Validation Using the [CustomValidation] Attribute

In this lesson you create your validation class and connect it to the [CustomValidation] attribute to verify data is correct. You also add your own ErrorMessage property to the class.

Content
Lesson Objectives 00:00
The [CustomValidation] Attribute 00:22
DEMO: Check for a Valid Workday Using the [CustomValidation] Attribute 00:45
DEMO: Create a Customer Class 02:02
DEMO: Pass in a Custom Error Message to the [CustomValidation] Attribute 03:32
Lesson Summary 05:09

Useful Links
Samples and hands-on labs for this course: https://www.pdsa.com/YouTube
The [CustomValidation] Attribute: https://learn.microsoft.com/en-us/dot...

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Paul.About()
Hello, my name is Paul D. Sheriff and I have a passion for teaching. I have been training developers for over 35 years through books, videos, article, blog posts, and international conferences and user groups.

Paul.Contact()
Website: https://www.pdsa.com
Email: [email protected]
LinkedIn:   / paulsheriff  
Blog: https://blogs.pdsa.com/
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YouTube Channel: @pauldsheriff


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