MVC :: Passing Boolean Values To View From Controller?

Jan 20, 2010

I'm having problems passing values from the controller to the view. I created a boolean variable to use as a flag and want the view to render some html based on whether its true or false.

Unfortunately ViewData doesn't look like it can pass boolean values. I should be able to pass any datatype to a view (string, int, bool, etc...)


MVC :: Passing Model Object To View And From View To Controller?

Aug 6, 2010

I've got problem with my app .

I've got such classes (this is some kind of tree structure):



in Index() action i've got this piece of code



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MVC :: Passing Data From Controller To View

Nov 16, 2010

I have setup an httppost that sends a string into my controller, searches for some results using linq, and then sends the results to a view. In debug stepping through the code I can see the data that I am looking for being passed into the return view statement, but the page just appears to refresh (it doesn't render the view as expected with the result). why my controller fails to redender the view? (note: I didn't include the view because I can send a ToList() to it without an issue. For example, return View(_entities.Persons.ToList());

public ActionResult RenderSearch(string usersearchtext)
if (usersearchtext != null)
var search_results = from s in _entities.Persons
where s.Description.Contains(usersearchtext)
select s;
return View("SearchResult", search_results.ToList());
throw new NotImplementedException();

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MVC :: Passing Objects Between View And Controller?

Sep 2, 2010

I would like to pass List<SelectListItem> (not selected item but the whole "List" object) back to controller.

for example in my GET controller i would have this

ViewData["list"] = some select list from repository;

then on post I would like to get the list back from view..pretty much i'm trying to use ViewData["list"] as storage..this way I would use ajax to remove or add items to/from the list.

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MVC :: Passing Parameters From View To Controller?

Dec 23, 2009

How do you pass values from a View to a Controller? I have an Html.DropDownList in a view, and need to get the selected value/text back to the controller.



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Passing Data From A View To A Controller In MVC?

Apr 22, 2010

I have a dictionary I'm passing to a View. I want to be able to pass the values of that dictionary back to a Controller action from this same View. Is there anyway this can be accomplished without using a form? The situation is that I need to be able to pass these back to a controller action that is called when a user clicks an ActionLink from the View, and in my experience an ActionLink cannot be used to submit a values of a form, i.e. I've only been able to submit values of a form using the form's submit button. Unless there's a way to use an ActionLink to submit values in a form.Controller Action passes Dictionary to Controller in ViewData:

public ActionResult ModifyNewCrossListing(FormCollection form)
Dictionary<int, string> prefixlist = new Dictionary<int, String>();


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MVC :: Passing Values From Controller To Service Layer?

Mar 24, 2011

I am working on Tenant module that has to display following fileds, Tenant Id, Tenant Desc, Contact Person, Contact Phone. In the DB, these are designed as two separate tables - Tenant and Contact. Tenant table has Tenant Id, tenant Desc and Contact Id . Contact table has all the contact related properties. I am using EF as DAL.

To make my system loosely coupled, I have created a repository pattern to talk to EF entities. Also, for validation I am using service layer.

My repository layer has two interfaces and classes corresponding to Tenant and Contact.

public interface ITenantRepository : IRepository<Tenant> // IRepository<T> is a generic interface for CRUD operations
Tenant Get(int id);
IEnumerable<Tenanr> List() ;


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MVC :: Passing Data From View To The Controller With Dropdownlist

Jul 14, 2010

I have a table with a ID, CodeID,LibelleID field. I am using oracle connection. i want to display in a drop downlist (textfield) CodeID+LibelleID for exemple "100-SalaryBase" where CodeID=100 and LibelleID="SalaryBase" is it possible to obtain it if the user selects an element from the dropdownlist how to post both the codeID and ID to the controller

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MVC :: Passing Data From View Back To Controller

Sep 23, 2010

I have following situation - I am pasing user info object from Controller to View. It contains GUID UserID, which i dont want to be seen on page. So I removed every Html.LabelFor(model => model.UserID), Html.TextBoxFor(model => model.UserID) etc... from generated View source. And because of this when Html.BeginForm() returns that object back to Controller all values is there but UserID is lost??

If I leave Html.LabelFor(model => model.UserID), Html.TextBoxFor(model => model.UserID) etc.. in View everything is fine. But I dont want to show UserID? Where is the problem here?

<%= Html.LabelFor(model => model.C__User_Id) %>

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MVC :: Passing ViewModel With Data From View To Controller

Dec 13, 2010

I am trying to pass a view model of mine, which has multiple list in it, to my view. Then in my view i need to edit the different list. Then on my post i need to save the edits. Although, when i pass my viewmodel back to my post, it is empty! Can somebody explain what i am doing wrong? Controller

here is my View




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MVC :: Passing A Select Item From View To Controller?

Apr 29, 2009

I have tried to get the dropdown box to work, no luck. That has to be me, but got tired of trying so I wrote a html helper extension and pass it the name and list of selectitems. Displays great (still need to work on showing selected items for edit functions but that is later) and can get it to work in other places, but not in this one instant and I can not figure out what I am doing wrong. Basically I have the form on the index view and want to send it to another action listconsulate (same controller).

On the form action I have tried consulate/listconsulate and a bunch of different combinations.


On the controller end I have tried the above, byval CC as Country, byval collection as FormCollection and a bunch of others. I have tried break points but they never fire on the listconsulate action and it always returns the index view. What am I doing wrong. I have tried the form code on like a listconsulate view so that it post back to itself, I am having a hard time getting any values to show up anywhere.

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MVC :: Passing Model Back From View To Controller?

Sep 22, 2009

I really need your advice on this. User will upload a list of students information from a CSV file. After the upload has completed, the Controller will pass the Student model to a View. The View will display the list of uploaded Students. On the View, there is also a checkbox "Create Logon Account" and a submit button. If the checkbox is checked, and the submit button is clicked, logon accounts will be created for the list of Students.

The problem is after displaying the list of Students on the View with the model, how can I pass the same model back to the Controller for creation of logon accounts?

I have managed to do it using FormCollection but I am wondering is there a better way.

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Passing A List Of Object From A View To The Controller In Mvc?

Mar 26, 2010

ss a list of objects as a paramter in an actionlinkAt the moment when I try to do this the list is always empty by the time it reaches the controller!

<%= Url.Action("ActionName", new { list = Model.ListOfObjects}) %>
public ActionResult ActionName(List<Object> list)
//Do stuff

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MVC :: Passing SQL Query Results From Controller To View?

Oct 16, 2009

What's the best way to run a sql query in a controller action and pass the results to a view to be databinded to a listview? I tried:


But it returns "No results" (the EmptyDataTemplate) every time, even when the query has results. Thus, I think something is wrong with the databind.

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MVC :: Methods To Passing Additional Data From Controller To View

Apr 29, 2010

I am getting started with MVC. For that i chose to practice it by build an application. Im using MVC 2 and Linq To SQL, and i would like to passing another Query to the view. For example, i have this:


So i would like to pass data1 and data2 to the View. I can use return View(data1), but the View function accept just one data. So what technique i can use to pass the tow data to the view

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MVC :: Passing A List Of Entity Objects To View From Controller?

Aug 5, 2010

I need to pass a list of Entity Objects from Controller to View but not put it in the Model context. It is the users homepage, but I am putting a list of alerts on the users home page(somewhat like facebook). So I need the User Context as the Model I pass but need to pass the Alert model as well so I can show the list of alerts.. How would I do that? The code below is what I have so far..





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Passing Data From Controller To View Using JSon Object

Mar 4, 2011

I have the following to get the Json abject passed from the controller and populate the various textboxes in the view. However, nothing is happening even though controller is passing a valid Json object. What is wrong with this code?

<script language="javascript" type="text/javascript">
$(document).ready(function() {
var url = '<%=Url.Action("DropDownChange") %>';
$("#vendorID").change(function() {
var selectedID = $(this).val();
if (selectedID != "New Vendor Id") {
//$.post('Url.Action("DropDownChange","Refunds")', function(result) {
$.post(url, { dropdownValue: selectedID }, function(result) {
This is the code in my controller;
public JsonResult DropDownChange(string dropdownValue)
// This action method gets called via an ajax request
if (dropdownValue != null && Request.IsAjaxRequest() == true)
paymentApplicationRefund =
return Json(paymentApplicationRefund,"application/json");
return null;

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MVC :: Passing A List Of Objects From View To Controller Via Jquery Ajax?

Jan 22, 2010

I have a form that I don't want to post back so I need to get the form values into my controller via jquery's ajax method.Here is my test controller method:


When I debug the controller method and look at the lineItems parameter, it always contains 0 items. I've tried various formats for the javascipt lineItems parameter but still 0 items. I'm also open to some other way of getting these values in like the jquery form serialze method or something else.

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MVC :: Pass Values From View To Controller?

May 15, 2009

I am new in MVC. I have 3 TextBox and 2 buttons (One "Sum" Other for "Mult") on Viewpage.

In the controller I have created 2 actions (1) is Sum and other is "Mult".

When User click on button 1(Sum) then value from Textbox 1 and texbox 2 should pass to the Action "Sum", this action will do sum of this two value and return result into the texbox3, like wise with other button "Mult" which does multiplication.

I dont know how to pass value / Call "Sum" Action on click of "SUM" Button.

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MVC :: Paasing Textbox And Checkbox Values From View Form To A Controller?

Jun 23, 2010

I have a view with a form..this form has a textbox and a checkbox in it.

i also have a submit button in the form which points to an action in a controller.

my question can i pass the values in the textboxes and the checked state of the checkboxes to the controller action? the textboxes and checkboxes are not tied to a model.

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MVC :: Access Values In Text Boxes(generated In View) From Controller

Feb 28, 2011

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MVC :: Finding Example For Passing Values To Partial Views (and Or To View Database Pictures)

Aug 11, 2010

I probally just tired but I would have swore I had seen an example of this some where for MVC 2,

I want to call a partial view that shows the products information with a GUID passed to the partial view.

I guess you would call it calling a sub but have that sub in a view that i can strongly wire up.

What i need is tutorials for passing a value to the partial view.

Like if i had pictures and i wanted to call a ascx that would show the picture. and have many to a page.

An example about pictures wired into a entities database would rock.....

I did try to look around on here to find some but my mind just gave out on me today....

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MVC :: Redirect From One Controller View To Another Controller View Using Linq

Jun 2, 2009

How to redirect from One Controller View To another Controller View.

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Binary Holding Boolean Values?

Jul 9, 2010

I have a 32 bit number in my DB/ DAL layer that is used to represent some yes/no facilities about hotels. so I for example bit might mean "has swimming pool", bit 2 might mean "reception desk" etc etc.Currently I have some code in the BLL that says if (number and 2) = 2 then .ispool = true - this is repeated for any many boolean hotel referances I have.What happens then is in the UI have then say something like if .ispool = true then display swimming pool icon.

Then it occurs to me that I am testing the value twice
1) To test the bin to bool in the BLL and create the structure
2) to test the structure to dislay the icon.

If I move the if (number and 2) = 2 to the UI I get the same result with one less if.Is there some better way or code do deal with this, maybe loop through the structure or something like that or an asp way that is more suitable to deal with binary representation of boolean's.

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MVC :: Boolean Field In View - Can't Get Right Syntax?

Apr 2, 2010

How can i use a checkbox to represent a boolean bit field in an MVC View? Out of the box, it defaults to a textbox..There is no boolean datatype in SQL Server 2008 so i used a bit datatype. I guess its a custom template but i cant seem to get the syntax right.

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MVC :: Session Vs TempData / How To Persist Values From Controller To Controller

May 30, 2010

I have a filter on my MVC web site. I display some records in a few different controller actions but when moving from one action to another I want to apply those filter values.

How can I persist values from controller to controller?

Should I use Session? TempData?

I am using Structure Map for IOC.

Maybe I could have a class that contains a Property for each Session Value that I use in my application and inject it on the controllers that need session?

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MVC :: Pass Parameter From Controller To View And Back To Another Controller?

Aug 16, 2010

I have a simple model where a Person has Gifts. I have a view which is a list of Gifts belonging to one Person.

My problem is with the Create action for a new Gift. I want it to default to the PersonID that we are already viewing the list of Gifts for. I tried simply passing the last PersonID (they are all the same)

Html.ActionLink("Create New", "Create", new { id = Model.Last().PersonID }) which works fine if there is already at least one Gift for that person but if this is the first Gift I don't have a value.

My Gift List controller knows the PersonID I want to pass but the view doesn't.

How do I pass this PersonID from my Gift List controller to my Gift Create controller via the Gift List view? Or is there a better way to do this?

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Returning A JSON View In Combination With A Boolean?

Apr 13, 2010

What i would like to accomplish is that a partiel view contains a form. This form is posted using JQuery $.post. After a successfull post javascript picks up the result and uses JQuery's html() method to fill a container with the result.

However now I don't want to return the Partial View, but a JSON object containing that partial view and some other object (Success -> bool in this case).

I tried it with the following code:

public ActionResult Edit(int id, Item item)
if (ModelState.IsValid)


However I don't get the HTML in this JSON object and can't use html() to show the result. I tried using this method to render the partial as Html and send that. However this fails on the RenderControl(tw) method with a: The method or operation is not implemented.

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DataSource Controls :: Filter SqlDataSource With Boolean Values?

Feb 17, 2011

I have an SqlDataSource, which is filtered by two RadioButtonLists. The markup is as follows:


In my code-behind I add the filterexpression when the radiobuttonlists are changed


My problem is that while it works fine when changing the RadioButtonListProducts the filtering works nicely, there is a problem with the RadioButtonListStatus, that filters on the Boolean column, 'Godkendt'. It works nicely if its set to 'Alle' (No filtering on that parameter) but when set to anything else, no records are shown. I suppose the problem is in the filterexpression


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MVC :: Boolean Database Field And Create View Template?

Mar 23, 2010

created a create view for an entity in my Linq model which had a bit field in it but it turned out a textfield..can you give me an example of an ascx that will enable me use a checkbox for this instead of a textbox, which the create view template uses for ALL the fields.Also, how can i get the template to use html.displayfor() instead of html.textbox?

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MVC :: Create A Partial View And A Controller That Will Feed Data To the View?

Jan 27, 2010

Can i create a partial view and a controller that will feed data to the view, and if i render that partial in a Master page, the Data will show on whatever URL i am?

Or is there another way of showing content from database on every page(view)?

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MVC :: Passing Value From Jscript To Controller?

Jul 15, 2009


when the controller method gets called the 'loc' variable is always null, can anyone tell me the right way ?

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MVC :: File Not Passing To Controller?

Aug 23, 2010

I am getting an null referance on file, what am I doing wrong.

<% Html.EnableClientValidation(); %>
<% Html.BeginForm("AddMedia", "Pattern", new { id= Model.Pattern_Guid} , FormMethod.Post, new {enctype = "multipart/form-data"}); %>
<%: Html.ValidationSummary(true) %>
<%: Html.Label("height") %>
<%: Html.TextBox("height") %>
<%: Html.Label("width") %>
<%: Html.TextBox("width") %>
<%: Html.Label("Media") %>
<input type="file" id="Media" name="Media" />
<input type="submit" name="btnAdd" value="Add" />
<% Html.EndForm(); %>

controller code:

public ActionResult AddMedia(Guid id, HttpPostedFileBase file, FormCollection collection)
string mimeType = file.ContentType; // Null Exception here ....

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Forms Data Controls :: Changing Row Color In Grid View Based On A Boolean Field Using Rowdatabound Event

Aug 4, 2010

I know that variations of this same question have been posed numerous times - but I can't quite seem to find the exact solution.

I would like any row in my gridview where the boolean field "Approved" is True to be shaded gray. Here is the code that I'm using, but every row ends up being gray, regardless of the value in that "Approved" field. My guess is that I'm not correctly evaluating the boolean value in this field (which is actually a yes/no field in MS Access), Not sure if I should be reading that value as "-1", "Yes" or "True" or "NotNull"? Anyway, here is the code:


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MVC :: Passing Tag Id To Controller When User Click On?

Jun 12, 2010

When user click on <a> tag i want to pass the id value to controller

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MVC :: Passing Value Intput Text To Controller?

Mar 23, 2010

i am using this code for render view


and this code for action Method


i can access the value text box by AgencyID but if i clicked on Second record AgencyID returns first recode id totally AgencyID returns the first record id.

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Passing Data From Usercontrol To Controller?

Jun 1, 2010

I am new to MVC, and trying something and got stuck somewhere in between.I have a user control there I have three textbox html type(ID, Lastname, firstname) and a submit buttom. I set the button like

<input type="button" value="Search"
onclick="location.href='<%= Url.Action("action", "controller") %>'" />

I have called this usercontrol on some view through

<%= Html.Partial("ucName") %>

Now on pressing that button(on user control) I need to pass the data from these textboxes to controller again to some specific action(Http Post action). By using this data I want to do some database interaction and storing the result in a dataset and pass this data set to same view again to show up in some Grid.I know the first part in conventional can be done by raising the event through delegate but don't know how to do that in MVC.

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Web Forms :: Passing Values From Parent Page To User Control And Maintaining The Values Added

Mar 18, 2011

I wanted to know if we can pass values from Parent page (in this case from Default.aspx page) to the user control and maintain those values on subsequent "Add/Load" of user control.

So in short, if I click the "Add" button it loads my "webusercontrol" and also I am able to pass my default.aspx dropdownlist value to this dynamically loaded user control and assign it to a "Label or Textbox" which resides in my "webusercontrol", now the problem is that the value doesn't persists! What I meant is , when I click "Add" button again the "webusercontrol" gets loaded again perfectly but now all my "Label's" in webusercontrol has the new selected value from the default.aspx dropdownlist.

So say for instance I have a Dropdownlist in Default.aspx page with Values "Apple, BlackBerry, Nokia" and initial value to be passed is "Apple", I click the "Add" button, now my "Label" inside webusercontrol has the value "Apple", perfect! Next when I click "Add" button again and select a different value to be passed this time say "BlackBerry" now I have 2 webusercontrol loaded on the page, so that means I have 2 "Labels" with different ID's, but now my first Label initially had the value "Apple" because that's what I had passed and now when I passed the value "Blackberry" both the labels of my webusercontrol has the value "BlackBerry" instead of one being "Apple" and another "BlackBerry"

Is there a way to resolve this issue? may be Dictionary List?

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MVC :: - View - Passing Multiple Objects To The View And Selecting Data From The Lists?

May 17, 2010

I have a view which takes two objects: booking and list of reasons for canceling that booking.I have two classes: clsBooking, clsBookingCancelationReason I can read both objects in my view - no problems there. After I read the objects, I display the booking details and I generate a list of cancelation reasons in the following way:


The code above generates a list of cancelation reasons.How do I pick up the selected ReasonId from the list?
I need to generate a link that will contain the bookingId and the selected reason for canceling the booking.I can get the bookingId out easily since it's stored in the Model...but how do I go about the selected ReasonId?

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Passing A Controller As A Parameter - Can't Get To RedirectToAction Method

Jun 15, 2010

My method looks like:

public static RedirectToResult(Controller controller, ...)

when I do:


I don't see RedirectToAction, how come?

I get RedirectToAction from within the controller's action, but not when I pass the controller as a parameter to another classes method.

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