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MVC Annotation Validation

Source: Internet
Author: User
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Front:

@{
Layout = null;
}
@using System.Activities.Expressions
@model MvcApplication1.Models.News
<! DOCTYPE html>

<meta name= "viewport" content= "Width=device-width"/>
<title>MyIndex</title>
<script src= "~/scripts/jquery-1.7.1.min.js" ></script>
<script src= "~/scripts/jquery-ui-1.8.20.min.js" ></script>
<script src= "~/scripts/jquery.validate.min.js" ></script>
<script src= "~/scripts/jquery.validate.unobtrusive.min.js" ></script>
@* <link href= "~/content/themes/base/jquery.ui.datepicker.css" rel= "stylesheet"/>*@
<link href= "~/content/themes/base/jquery.ui.all.css" rel= "stylesheet"/>
@* <link href= "~/content/themes/base/jquery-ui.css" rel= "stylesheet"/>*@
<style type= "Text/css" >

</style>
<script type= "Text/javascript" >
$ (function () {
$ ("#SubDateTime"). DatePicker ();
$ ("#Title +span"). CSS ("Color", "red");
$ ("#No +span"). CSS ("Color", "red");
JQuery.validator.addMethod ("Enforcetrue", function (value, element, param) {
return value! = "";
//});
JQuery.validator.unobtrusive.adapters.addBool ("Enforcetrue");

});
</script>
<body>
@using (Html.BeginForm ("Myindex", "Home", FormMethod.Post))
{
@Html. AntiForgeryToken ()
@Html. ValidationSummary (True)
<div>
<span> Press No. </span> @Html. textboxfor (x = x.no) @Html. Validationmessagefor (x=>x.no)
<span> News Headlines </span> @Html. textboxfor (x = x.title) @Html. Validationmessagefor (X=>x.title)
@Html. textboxfor (x=>x.subdatetime,new{@class = "DatePicker"})
<input type= "Submit" value= "Submission"/>
</div>
}
</body>

Model

Using System;
Using System.ComponentModel.DataAnnotations;
Using System.Linq;
Using System.Web;
Using Microsoft.Ajax.Utilities;

Namespace Mvcapplication1.models
{
public class News
{
[Required]
[Iscellphone (errormessage = "{0} is not in the correct format")]
[Display (Name = "mobile number")]
public string Title {get; set;}
[Required]
public string No {get; set;}
Public DateTime subdatetime {get; set;}
}
}

Validation Attribute class:

Using System;
Using System.Collections.Generic;
Using System.ComponentModel.DataAnnotations;
Using System.Text.RegularExpressions;
Using SYSTEM.WEB.MVC;

Namespace Mvcapplication1.models
{
<summary>
Verify Phone number format
</summary>
[AttributeUsage (Attributetargets.property | Attributetargets.field | Attributetargets.parameter, AllowMultiple = False)]
public class Iscellphoneattribute:validationattribute
{
Public Iscellphoneattribute ()
: Base ("{0} format is incorrect! ")//mark1
{
}

<summary>
overriding validation methods
</summary>
<param name= "Value" ></param>
<param name= "Validationcontext" ></param>
<returns></returns>
protected override Validationresult IsValid (object value, Validationcontext validationcontext)
{
if (value! = null)
{
var valueasstring = value. ToString ();
Const string Regpattern = @ "^ (\+?[ 0-9]{2,4}\-[0-9]{3,4}\-) | ([0-9]{3,4}\-))? ([0-9]{7,8}) (\-[0-9]+)? $|^[1][3,5,8][0-9]{9}$ ";
@ "^1[3|4|5|8][0-9]\d{4,8}$";
//@"^((\+? [0-9] {2,4}\-[0-9]{3,4}\-) | ([0-9]{3,4}\-))? ([0-9]{7,8}) (\-[0-9]+)? $|^[1][3,5,8][0-9]{9}$ ";
if (! Regex.IsMatch (valueasstring, Regpattern))
{
var errormessage = formaterrormessage (validationcontext.displayname);//the {0} placeholder that formats the validation information at MARK1 displays the name of the property, If you set display (name= "mobile phone number") then the "mobile number" is displayed.
var errormessage = formaterrormessage (valueasstring);//If you want to display the number instead of the field name, change the parameter to the mobile phone number passed over.
return new Validationresult (errormessage);
}
}
return validationresult.success;
}
}

}

MVC Annotation Validation

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