ASP. NET MVC common built-in validation features

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

[Range (0" age range between 0-120 years old ")]  

4.[regularexpression]: must conform to a regular expression (1) Use regularexpression directly to write expressions:

. [RegularExpression (@ "^\w+ ([-+.] \w+) *@\w+ ([-.] \w+) *\.\w+ ([-.] \w+) *$"" Please enter   email format ").  Public Get Set

(2) Custom features:

 Public class Emailattribute:regularexpressionattribute   {  public      emailattribute ()          :base(@ " ^\w+ ([-+.] \w+) *@\w+ ([-.] \w+) *\.\w+ ([-.] \w+) *$")      {      }  }  

Comparison of 5.Compare Judgments

 Public class Emailattribute:regularexpressionattribute  {      public  emailattribute ()           :base(@ "^\w+ ([-+.] \w+) *@\w+ ([-.] \w+) *\.\w+ ([-.] \w+) *$")       {        }  }  

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

// The    action method Controller    class request  method [Remote("User""Validate " " Post " " user name already exists " )]  publicstring Get set;   // ....    Public actionresult User ()  {  //..    if (true)    {      return Json (true, jsonrequestbehavior.allowget);    }     Else      return Json (false, jsonrequestbehavior.allowget);    }  

7.OutputCache Page Caching

[OutputCache (duration=)] // Set page Absolute cache  cache time is 20 seconds   public   actionresult Index ()  {      // Detail Code  }

Transferred from: http://www.cnblogs.com/iack/p/3500720.html