Lesson 1: Course Overview for Use Data Annotations in any C# Application
Lesson 1: Course Overview for Use Data Annotations in any C# Application
.NET Versions: This course applies to .NET 6, 7, and 8.
Quit writing code to validate your user input. In this course you are going to explore most of the data annotations supplied by Microsoft. You are going to develop a few custom validation attributes to check dates and numeric values. You also learn to create a custom validation attribute to compare the values between two different properties. This lesson provides you with an overview of what is in this course.
Content
Why Take my Course 00:00
Paul.Sheriff.About() 00:38
Software Versions Used in this Course 01:08
Who Should Take This Course 01:37
Course Objectives 02:05
Prerequisites 02:31
Course Outline 02:48
Labs 03:54
Course Outline
Course Overview for Data Annotations in C# Applications
Overview of .NET Data Annotations
A Sample of Using Data Annotations in C#
Validating Data Annotations Programmatically in C#
Adding the ErrorMessage Property to the [Required] Attribute
How the [Display] Attribute Changes the Error Message
The [MaxLength], [MinLength], and [StringLength] Attributes
Using the [Range] Attribute with Numeric and Date Data
Check Data Using the [RegularExpression] Annotation
[EmailAddress], [Phone], [Url], and [CreditCard] Annotations
Compare Two Property Values Using the [Compare] Attribute
Build Your Own Validation Using the [CustomValidation] Attribute
Custom Validations by Inheriting from the ValidationAttribute Class in C#
Create a Dynamic Date Range Validator in C#
Create a Custom [Compare] Validation Class in C#
Helpful Links
Samples and hands-on labs for this course: https://www.pdsa.com/YouTube
System.ComponentModel.DataAnnotations Namespace: https://learn.microsoft.com/en-us/dot...
#dataannotation #validation #csharp #development #programming #dotnet #dotnetcore #dotnet6 #dotnet #dotnet8 #pauldsheriff #pluralsight #youtube
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/
Pluralsight: https://app.pluralsight.com/profile/a...
YouTube Channel: @pauldsheriff
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