Use annotation to validate data in the. NET MVC model __.net

The available properties are as follows:

Data Annotation Validator Attributes DataType

Specify the datatype of a property DisplayName

Specify the display name for a. DisplayFormat

Specify the display format for a property like different format for Date Proerty. Required

Specify a property as required. reqularexpression

Validate the value of a property by specified regular expression pattern. Range

Validate the value of a property with in a specified range of values. Stringlength

Specify min and max length for a string. MaxLength

Specify max length for a string. Bind

Specify fields to include or exclude if adding parameter or form values to model properties. Scaffoldcolumn

Specify fields for hiding from editor forms.

The specific usage is as follows:

Using System.ComponentModel;
Using System.ComponentModel.DataAnnotations;
Using SYSTEM.WEB.MVC; namespace Employee.models {[Bind (Exclude = "EmpId")] public class Employee {[Scaffoldcolumn (false)] public int Empi
 
 d {get; set;}
 [DisplayName ("Employee Name")]
 [Required (errormessage = "Employee Name is Required")] 
 
 [Stringlength (100,minimumlength=3)] public String empname {get; set;} 
 [Required (errormessage = "Employee address is Required")] 
 
 [Stringlength] public string Address {get; set;} 
 [Required (errormessage = "Salary is Required")] 
 
 [Range (3000, 10000000,errormessage = "Salary must is between 3000 and 10000000")] public int salary{get; set;} 
 [Required (errormessage = "Please enter your e-mail address")]
 [DataType (Datatype.emailaddress)]
 [Display (Name = "Email address")]
 [MaxLength (50)] [RegularExpression (@] [a-z0-9._%+-]+@[a-z0-9.-]+\.[
 a-z]{2,4} ", errormessage =" Please enter correct e-mail ")] public string Email {get; set;} }
}

For more information please refer to: http://www.dotnet-tricks.com/Tutorial/mvc/D8I4270712-MVC-Data-Annotations-for-Model-Validation.html