Get (Retrieve) error count in Index Action method in ASP.Net MVC

mahesh21...

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User: mahesh213
Posted: on Nov 29, 2021 10:15 PM
Forum: ASP.Net MVC
Answer: 1
Views: 3102
Sample Code: Download

Hi,

in above code i have made some changes in getDetails action method

public ActionResult GetDetails()
{
    try
    {
        throw new Exception("Exception");
    }
    catch (Exception ex)
    {
        ModelState.AddModelError("Error", ex.Message);
        var result = ModelState.ToDataSourceResult();
        return Json(result, JsonRequestBehavior.AllowGet);
    }
}

can you please dipslay error count in below action method

public ActionResult Index()
{
    var result = GetDetails();
    //int count = (((JsonResult)result).Data as List<Employee>).Count;
    ViewData["Message"] = "Record count : " + count;
    return View();
}

dharmend...

0 2

Reply
ANSWER
User: dharmendr
Replied: on Nov 29, 2021 11:27 PM
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Hi mahesh213,

Refer below code.

Controller

public class HomeController : Controller
{
    // GET: Home
    public ActionResult Index()
    {
        var result = GetDetails();
        var count = ((JsonResult)result).Data;
        ViewData["Message"] = "Record count : " + count;
        return View();
    }

    public ActionResult GetDetails()
    {
        try
        {
            throw new Exception("Exception");
        }
        catch (Exception ex)
        {
            ModelState.AddModelError("Error", ex.Message);
            ModelState.AddModelError("Error1", ex.Message);
            //var result = ModelState.ToDataSourceResult();
            return Json(ModelState.Count, JsonRequestBehavior.AllowGet);
        }
    }
}

View

@{
    Layout = null;
}
 
<!DOCTYPE html>
 
<html>
<head>
    <meta name="viewport" content="width=device-width" />
    <title>Index</title>
</head>
<body>
    @if (ViewData["Message"] != null)
    {
        <script type="text/javascript">
            window.onload = function () {
                alert("@ViewData["Message"]");
            };
        </script>
    }
</body>
</html>

Screenshot

Get (Retrieve) error count in Index Action method in ASP.Net MVC

Count items in JsonResult or ActionResult in ASP.Net MVC

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