How do you pass data from a textbox on a view to an action method in the controller?

Question

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I have the following view:

HTML

@model ReportViewer.Models.ViewModel.EntryViewModel @{ Layout = null; } <!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width" /> <title>Index</title> </head> <body> <div> @using (Html.BeginForm("UserReportView", "HomeController", FormMethod.Post)) { <input id="UserToLookUp" type="text" width="50" name="UserToLookUp" /> @Html.TextBoxFor(model => model.UserToLookUp) <input type = "submit" value = "View" /> } </div> </body> </html>

It uses the following model:

C#

using System; using System.Collections.Generic; using System.Linq; using System.Web; namespace ReportViewer.Models.ViewModel { public class EntryViewModel { public string CurrentUser { get; set; } public string UserToLookUp { get; set; } } }

My controller is as follows:

C#

using ReportViewer.Models.ViewModel; using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.Mvc; namespace ReportViewer.Controllers { public class HomeController : Controller { // GET: Home public ActionResult Index() { EntryViewModel vm = new EntryViewModel(); return View(vm); } //[HttpPost] public ActionResult UserReportView(EntryViewModel vm) { TempData["ID"] = vm.UserToLookUp; return RedirectToAction("Index", "Viewer"); } } }

I need to get the value from the "UserToLookUp" textbox in to the TempData["ID"] of the ActionResult UserReportView. The vm is accessable in the method but UserToLookUp is always null.

What I have tried:

I've spent the better part of the last two days googling and trying every permutation of things I've seen in various tutorials and can not get it to work.

Posted 5-Jul-17 7:02am

jmallory0001

Updated 5-Jul-17 17:58pm

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Comments

j snooze 5-Jul-17 17:31pm

If you debug and set a break point, you can verify property in the vm object in your httppost method is empty? Why do you have html markup for userlookup and an mvc html helper for it? Are you just trying both to see what sticks? If your manual html markup I think the name has to be "Object.Property" so in your case "EntityViewModel.UserLookup" for the inner workings of MVC to recognize what to post back in the proper place.

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Karthik_Mahalingam · Accepted Answer · 2017-07-05T17:58:00

Solution 1

Corrections

@using (Html.BeginForm("UserReportView", "HomeController", FormMethod.Post))

<input id="UserToLookUp" type="text" width="50" name="UserToLookUp" />

Posted 5-Jul-17 17:58pm

Karthik_Mahalingam

Comments

jmallory0001 6-Jul-17 14:57pm

Thank you so much! I figured it would be something relatively simple.

Karthik_Mahalingam 7-Jul-17 11:50am

welcome