Lesson 4: Adding the ErrorMessage Property to the [Required] Attribute
Lesson 4: Adding the ErrorMessage Property to the [Required] Attribute
In this lesson you override the ErrorMessage property on the [Required] attribute. You also learn how to use placeholders within the ErrorMessage.
Content
Lesson Objectives 00:00
DEMO: Add ErrorMessage Property to the [Required] Attribute 00:14
DEMO: Use Placeholders in the ErrorMessage Property 01:10
DEMO: Add the ErrorMessage Property to all [Required] Attributes 02:05
DEMO: Allow Empty Strings 02:42
Lesson Summary 03:32
Useful Links
Samples and hands-on labs for this course: https://www.pdsa.com/YouTube
The ValidationAttribute class: https://learn.microsoft.com/en-us/dot...
The [Required] Attribute: https://learn.microsoft.com/en-us/dot...
The ErrorMessage Property: 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.
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