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Thursday, 25 September 2014

JavaScript Alert Message On Conditional Bases In Asp.Net MVC Using C#.Net

9/25/2014 - By Pranav Singh 2

This article will show you how you can display alert message on conditional bases using JavaScript in asp.net mvc application and c#.net. This article we can use in MVC2, MVC3, MVC4,MVC5.


So for this article first we will create a new asp.net mvc application and add the below code into your controller.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;

namespace MvcApplication2.Controllers
{
    public class HomeController : Controller
    {
        //
        // GET: /Home/

        public ActionResult Index()
        {
            return View();
        }
        [HttpPost]
        public ActionResult Index(string Type)
        {
            ViewBag.Message = Type;
            return View();
        }

    }
}

In above code please check the httpost attribute method parameter.  In this I have passed a parameter Type this is the dropdown list value which I am storing in viewbag and passing it to view for displaying the value on conditional bases.

Now create view and add the below code in the view.

@{
    ViewBag.Title = "JavaScript Alert Message On conditional Bases In Asp.Net MVC Using C#.Net";
}
<script>
    function Msg1() {
        alert("This is alert message Section - 1");
    }
    function Msg2() {
        alert("This is alert message Section - 2");
    }
</script>
@using (Html.BeginForm("Index", "Home"))
{
   <select name="Type">
   <option value="1">Message 1</option>
   <option value="2">Message 2</option>
   </select>
    <input type="submit" value="Submit"/>
     if (ViewBag.Message == "1")
    {
    <script type>
        Msg1();
    </script>
    }
     else if (ViewBag.Message == "2")
     {
     <script>
         Msg2();
    </script>
     }
}

In above code I have created to simple JavaScript function with alert message, and on the bases of view bag value I am executing the JavaScript function.

Now check the output.


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