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