Introduction to ASP. NET MVC common built-in validation features

0.[displayname ("name")]

0. [DisplayName (" name ")]

1.[required]: Must be entered

" Please enter user name ")]  

2.[stringlength]: Limit string length

[Stringlength ( length cannot exceed 10 characters ")]  

3.[range]: Limit the range of values

1 [range (0, errormessage = " age range between 0-120 years old ")]

　　

4.[regularexpression]: Must conform to a regular expression (1) to write an expression directly using RegularExpression:

1 [RegularExpression (@ "^\w+ ([-+.] \w+) *@\w+ ([-.] \w+) *\.\w+ ([-.] \w+) *$"" Please enter email format ")]  2 Public Getset; }  

(2) Custom features:

1  Public class Emailattribute:regularexpressionattribute   2     {  3public           emailattribute ()  4             :  Base(@ "^\w+ ([-+.] \w+) *@\w+ ([-.] \w+) *\.\w+ ([-.] \w+) *$")  5        {  6        }   7     }  

Comparison of 5.Compare Judgments

 Public string Get Set ; }    [Compare ("email"" email ")]    Public string Get set; }  

6.remote:ajax Remote Authentication, the return value is bool type TRUE indicates validation passed

//action method Controller class request mode[Remote ("User","Validate", HttpMethod ="Post", errormessage ="user name already exists")]   Public stringUserName {Get;Set; } //....   PublicActionResult User () {//..   if(true)    {      returnJson (true, Jsonrequestbehavior.allowget); }    Else      returnJson (false, Jsonrequestbehavior.allowget); }  

7.OutputCache Page Caching

[OutputCache (duration=)] // Set page Absolute cache  Cache Time is 20 sec   public   actionresult Index ()  {       //  Verbose Code   }  

8. Hide Fields

[Hiddeninput (displayvalue=false)]  Public string Get set; }

Introduction to common built-in validation features for ASP. NET MVC