Asp.Net MVC Validation Compare Passwords Example

Introduction: 

Here I will explain how to implement compare validator in asp.net mvc using DataAnnotations with example or asp.net mvc validation to compare two properties with examples or validation to compare passwords in asp.net mvc with example or Compare properties in model using DataAnnotations in asp.net mvc with example. In asp.net mvc we can easily implement compare validation on model properties by using DataAnnotations compare property.

Description:
  
In previous articles I explained asp.net mvc crud operations using entity framework, Use mysql database in asp.net with examples, asp.net mvc bind dropdownlist with example, asp.net mvc get data from database using ado.net, connection pooling in asp.net with example, jQuery show the notification bar on top of the page with example , web api in asp.net and consume web api in asp.net with example and many articles relating to asp.net mvc , asp.net, c#,vb.net . Now I will explain how to compare and implement validation for model properties in asp.net mvc with example.

Generally in asp.net mvc we can easily compare two properties by using DataAnnotations Compare property. We will see how to implement compare validation with example for that create asp.net mvc application and Open visual studio à Go to File à Select New à Project like as shown below.

Once we select Project new popup will open in that select Asp.Net Web Application and give name to application and click OK like as shown below

Once click OK new popup will open in that select Empty template and select folders and core reference as MVC and click OK like as shown below

Once we finished creating application our project structure will be like as shown below

Now right click on your Models folder à select Add à select Class like as shown below.

Once we add new model (UsersModel) open it and write code like as shown below.

using System.ComponentModel.DataAnnotations; namespace MVCExamples.Models { public class UsersModel { [Key] public int UserId { get; set; } public string UserName { get; set; } public string Password { get; set; } [Compare("Password",ErrorMessage= "Both Password and Confirm Password Must be Same" )] public string ConfirmPassword { get; set; } public string Location { get; set; } } }

If you observe above code we added DataAnnotations reference and used Compare property to compare Password and Confirm Password properties.

Now add new controller for that right click on your Controllers folder à select Add à select Controller like as shown below.

Once we click on Controller new popup will open in that select MVC 5 Controller - Empty and click Add like as shown below.

Once click on Add new window will open in that give name of controller and click Add button then new controller file will add to folder. Now open new controller (UserController) and write the code like as shown below

using System.Web.Mvc; namespace MVCExamples.Controllers { public class UserController : Controller { // GET: User public ActionResult Index() { return View(); } public ActionResult UserRegistration() { return View(); } } }

Now right click on UserRegistration method and select Add View like as shown below

Once click Add View new template will open in that select Template type “Create” and Model class as our “UsersModel” and click Add like as shown below.

Now run your application and check the output that will be like as shown below

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