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I am trying to output a small popup-like window to the user saying either the restful command was successfully accepted or not (and display the Http Code).

I am really looking for direction on how to do this properly in ASP.NET MVC.

Controller Function

 public void ExportJira()
 

 string postUrl = "https://somewebsite.org/rest/api/2/issue";
 var httpWebRequest = (HttpWebRequest)WebRequest.Create(postUrl);
 httpWebRequest.ContentType = "application/json";
 httpWebRequest.Method = "POST";
 //Using Service Account for Demo Jira Instance
 httpWebRequest.Headers["Authorization"] = "Basic " + Convert.ToBase64String(Encoding.Default.GetBytes("FakeAccount:fakePw"));

 using (var streamWriter = new StreamWriter(httpWebRequest.GetRequestStream()))
 
 string json = @"""fields"":""project"":""key"": ""SDR"",""summary"": ""This is SDR Web App"",""issuetype"" : ""id"":""3""";

 streamWriter.Write(json);
 streamWriter.Flush();
 streamWriter.Close();
 HttpWebResponse httpResponse = null;
 try
 
 httpResponse = (HttpWebResponse)httpWebRequest.GetResponse();
 using (var streamReader = new StreamReader(httpResponse.GetResponseStream()))
 
 var result = streamReader.ReadToEnd();
 System.Diagnostics.Debug.WriteLine("Errorcode: 0", (int)httpResponse.StatusCode);
 System.Diagnostics.Debug.WriteLine("Support Headers: n" + httpResponse.SupportsHeaders + "n");
 System.Diagnostics.Debug.WriteLine("Headers: n" + httpResponse.Headers + "n");
 TempData["msg"] = "<script>alert('Success!" + (int)httpResponse.StatusCode + "');</script>";
 
 
 catch (WebException e)
 
 if (e.Status == WebExceptionStatus.ProtocolError)
 
 httpResponse = (HttpWebResponse)e.Response;
 TempData["msg"] = "<script>alert('Failed!" + (int)httpResponse.StatusCode + "');</script>";
 
 else
 
 TempData["msg"] = "<script>alert('Failed!" + (int)httpResponse.StatusCode + "');</script>";
 
 
 finally
 
 if (httpResponse != null)
 
 httpResponse.Close();
 
 

 
 

View Code

 @Html.ActionLink("Export to Jira", "ExportJira", null, new id = "myLink" )
@Html.Raw(TempData["msg"])

Every get or post controller function should return a view model, that can be used by the view to display whatever is relevant. Rather than using TempData, do something like this

class ExportJiraViewModel

 public string Message get;set;


public IActionResult ExportJira()

 var vm = new ExportJiraViewModel(); 

 // fill out vm where appropriate

 return View(vm);