How to display an alert message from .cshtml view - asp.net mvc

Question

I have two action result one sending a string and another loading the view

public ActionResult getTheString()
{
   string message = //doing some thing ;
  myModel myModel = new myModel();
  myModel.property1 = message ;

    return loadView(myModel);
}

public ActionResult loadView(myModel model)

{
   return view (model);
}

loadView.cshtml

@model project.Models.myModel 
@{
  if(Model.property1 !=" ")
     {what to do to show it as alert }
}

Here I am getting the prperty like model.property1 if it has some thing show the alert with that string and then load, if message does not contain anything then simply load.

Not permitted to use TempData , ViewBag , ViewData.

Not permitted to use Script tag in view . it has to be in a seperate js file

Why not use Javascript in the onready event to display an alert as soon as the page is rendered? — ganeshran
– ganeshran, Commented May 3, 2017 at 7:40

Webbanditten · Accepted Answer · 2017-05-03 07:44:08Z

7

You could check with some simple Razor syntax

@if(!string.IsNullOrEmpty(Model.Property1)) {
    <script>alert("@Model.Property1");</script>
}

edited May 3, 2017 at 7:44

answered May 3, 2017 at 7:41

Webbanditten

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4 Comments

tripathy Over a year ago

suppose just an alert(@model.property1) . how can i call that to appear that alert

tripathy Over a year ago

its executing (pressing f10) to alert line but alert is not appearing in my view

Webbanditten Over a year ago

Are you sure you have edited "Property1" to your "property1"?

tripathy Over a year ago

I just understood partial view wont render alert if its called again . i did a different approach to solve it

Imad · Accepted Answer · 2017-05-03 07:43:36Z

0

you can use javascript and give alert once page is loaded.

<script type="text/javascript">

window.load = function() {
    @if(!string.IsNullOrEmpty(Model.Property1)) {
        alert("blah blah");
    }
}    
</script>

answered May 3, 2017 at 7:43

Imad

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1 Comment

tripathy Over a year ago

my js file is different , it will not read Model.property1 . cant put js script in same view

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