C# - How To Use Multiple Form Elements In MVC

Feb 21, 2011

So I am new to ASP.NET MVC and I would like to create a view with a text box for each item in a collection. How do I do this, and how do I capture the information when it POSTs back? I have used forms and form elements to build static forms for a model, but never dynamically generated form elements based on a variable size collection.

I want to do something like this in mvc 3:


How do I do a text box for each guest? And how do I capture them in the action method that it posts back to?

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Load Dynamic List Of Elements AFTER FINISHED Loading Of Several Form Elements?

Mar 1, 2010

I have...a dynamic populated select box several input boxes a submit button form fields are loaded initially using cookies several dynamic populated divs

I want... start loading the content of my DIVs after all FORM elements have been loaded completely (= filled with data, select boxes are populated)

Sample code:


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MVC :: Iterating Through Form Elements With Same Name?

Mar 21, 2011

Currently, I have a list of PhoneNumber objects that I display. Here's an example of the output of the view:


Notice the naming of these elements: name="existing_phone[labels][6]", name="existing_phone[numbers][6], name="new_phone[labels][]", name="new_phone[numbers][].Back in the Classic ASP days, I recall being able to do something along the lines of:


And that would give me a 2d array of phone numbers to work with. This doesn't seem to work in .NET. Has anyone tried to do something similar that can point me in the right direction?For new phones, I should simply be able to iterate through each item and insert into the database. For existing phones, I should be able to update (or delete if the label or number are blank) records based off of the id number supplied in the array.OR..if anyone has a better, alternate solution, I'm open to something else.

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Creating Images From Form Elements?

Feb 21, 2011

I have a form with a bunch of labels and images on it. Is there a way I can capture parts of that form into an images file (jpg/bmp, etc)? Ideally I could specify the x-y coordinates, and save that to a jpg.

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How To Pass Values As Form Elements Or On Url

Feb 21, 2009

In a masterpage, I am assigning values x=2, y="test" on page_load. There is a <a hef="page2.aspx"> go to page 2 </a> in the master page. I want to assign x and y to form elements in the master page OR put them in the url like page2.aspx?x=2&y=test. I will have a sub page_load()...end sub in page2.aspx and want x and y available to it.

How do I get x and y as variable values in the script in page2 when sent as form elements? Same question but when they are sent in the url? For ex. response.write( what goes here ?) in form element case and in url case.

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MVC :: Access Form Elements Without Submit?

Dec 3, 2009

I'm using an upload component that performs asyncronous uploads. In the Controller action, I need to be able to access certain form elements, but the upload component does not initiate a form submission. Is there a Javascript method for adding element values to the form collection?

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Whole Elements Are Wrapped Inside A Form?

Nov 17, 2010

As you know froms could lead to accessbility issues and unlike PHP when I was dealing with it, everything in ASP.NET we can say is wrapped inside a form. As you know not every elements is a form element and from accessbility point of view the screen readers have what is called 'forms mode' which only interact with form elements. Can anyone calrify why is that in ASP.NET?

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Access Elements Of A Form In Another .cs File?

Dec 15, 2010

I have a xaml page. I can access all its controls in xaml.cs. Is there anyway I can access the controls of the xaml page in a different .cs class file?

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Insert Multiple Xml Elements In C#?

Nov 30, 2010

I want to create XML document with multiple elements inside. The format should be something like this:


How Can I solve this, so the data will be fetched correctly?

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Web Forms :: Modifying ASP Form Elements With Javascript?

Mar 3, 2011

I'd like to change some properties of ASP Form Elements via Javascript and I am having a very difficult time doing so. The element is defined as:


But Im not having any luck modifying it with Javascript like this:[Code]....

one thing I noticed is that (At least in VS2010 intellisense) the elemtn doesn't seem to have a disabled attribute like a standard HTML


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.NET MVC : Ignore Latter Route Elements In Url For A Form's Action

Mar 2, 2010

I have a URL /products/search where Products is the controller and Search is the action. This url contains a search form whose action attribute is (and should always be) /products/search eg;

<%using( Html.BeginForm( "search", "products", FormMethod.Post))

This works ok until I introduce paging in the search results. For example if I search for "t" I get a paged list. So on page 2 my url looks like this :


It shows page 2 of the result set for the search "t". The problem is that the form action is now also /products/search/t/2. I want the form to always post to /products/search.

My routes are :routes.MapRoute( "Products search",
new { controller = "Products", action = "Search", query = "", page = 1 });
routes.MapRoute( "Default",
new { controller = "Home", action = "Index", id = "" });

How can I force Html.BeginForm(), or more specifically Url.Action( "Search", "Products"), to ignore the /query/page in the url?

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C# - Web Form With Distinctions Between Which Page Elements Will Print On?

Dec 23, 2009

I have a web form with a number of text areas on it. The length of these text areas can expand if large amounts of text are added. In other areas you can add and remove certain form elements.

This means that the form length can vary a great deal. The users would like the ability to see when writing the form where the page breaks would appear when printing it and if necessary insert their own page breaks into the form to ensure that it prints correctly.

Is there a way I can tell where the browser is going to insert page breaks when it prints whilst the user is completing the form so that I can give them a visual pointer (horizontal rule or similar) showing where the break will occur?

I'm working in ASP.Net / C# 3.5. I realise the above might not be easy since consistent printing in the browser using HTML is difficult. If it is impossible could I convert to PDF or XPS when printing and calculate where the page breaks would be once converted whilst the user completes the form?

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C# - Encrypt The Names Of Http Form Elements?

Mar 15, 2010

I have a form with certain elements, input boxes, check boxes etc. I need to encrypt the names of these input boxes and check boxes. I'm currently using a Rijndael encryption/decryption method through c# however this is making the encrypted names too long to be passed in a post. Is there a better way to get decent encrypted names? my purpose is to have the names encrypted before the post happens so if someone views the code behind the names are already encrypted.

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Using Multiple Authorization Elements In Web.config?

Feb 4, 2011

Is it possible to use multiple authorization elements in a single web.config to allow additional users access to one file?

E.g., I would like to allow User1 access to the whole application (including Page1.aspx), and User2 access to only Page1.aspx:


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Web Forms :: Validating For Mutually Exclusive Form Elements?

Aug 9, 2010

I need to validate that a user makes a selection from a select list OR they enter text into a textbox. I'm trying to figure out which validator to use. Is there a way to make a CompareValidator do this? Or would I need to write a custom validator? If custom, do I write one for each of the form elements, or does the validation happen upon submit?

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AJAX :: Populate All Generated Form Elements Using AutoCompleteExtender?

Sep 30, 2010

Is it possible to populate all generated form elements using AutoCompleteExtender? Now i have one textbox called Userid when i put some number it is listing the list of IDs from the database using AutoCompleteExtender. I need to make, if selected ID correct, other Form Field should fill with relevant data. Currently i am filling it with TextChange event for the UserID field, but it is reloading the whole page. So Is there anyway can be filled all Form Elements using AutoCompleteExtender?

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Web Forms :: Request A Form Elements From External Webpage?

Jul 22, 2010

there are a form in a page like this :


how we can request that form dynamically and make it in my webform ?

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Storing Querystring Variables In Hidden Form Elements In Masterpage?

Nov 6, 2009

I would like to store some querystring variables in hidden form elements on the masterpage and reference them from web user controls so that I can preserve the information and consolidate the code in one place...

However, I cannot seem to get access to the information from the web user controls....

I am using public variables on the masterpage to set and get the hidden form element data, e.g:


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Select Form Elements In JQuery Based Upon An HTML Table?

May 13, 2010

I am working on some ASP.NET web forms which involves some dynamic generation, and I need to add some onClick helpers on the client side. I have a basic outline of something working, except for one huge problem.

There are multiple HTML tables, each generated by a different ASP.NET web control. Each table can contain overlapping field names, which is causing a problem with my JQuery click event handlers. The click event handler is linking to unintended form fields in addition to the intended form field.

I have provided a simplified sample version of the code below. This code is trying to set the value of textbox box1 when a particular radiobutton is selected in the table with id=thing1. Obviously, the jquery code will be triggered for the form fields in both tables.

The tables are dynamically added to the webpage based upon different conditions. It is possible that no tables will be loaded, only 1 table, or both tables might load. In the future, other tables could be added. Each table comes from a different .net web control.

Other than renaming the form fields to make sure they are unique across all user controls, is there a way to have JQuery act only on the intended form fields? In other words, could the table ID be incorporated into the JQuery code in a manner that does not become a nightmare to maintain later?


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Handling Arrays Of HTML Input Elements With Request.Form Like PHP?

Dec 30, 2010

How can I properly receive these Array of Inputs on asp.net?


In php you can access field by $field = $_POST["field"]

$field["name"] and $field["age"] are simply arrays containing names and ages.

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JavHow To Disable Or Remove Unnecessary Form Elements Before An ASP.NET Asynchronous

Oct 21, 2010

I'm building a shopping cart page that could potentially contain dozens of separate items. Each item has a collapsible panel that contains several form elements that can be used to customize it. Most of the cart is wrapped in an UpdatePanel so that I can avoid a full postback when the user makes changes. When there are many items in the cart, there are of course many many postback elements, all of which are included in the raw form post, even though each post is really only triggered by the change of a single element

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Web Forms :: Treeview Binding With Multiple Root Elements?

Nov 29, 2010

I have a treeview like this


like that

when i click on p3 of root2 display data.

but how to know which parent of child is selected?

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Develop a Simple Form With 10 Data Elements And Store It In Oracle Table?

Oct 12, 2010

I am a student with non IT back ground. I got a request from my client to develop a simple form with 10 data elements and store it in oracle table.I have to use ASP.net to develop this application.

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Web Forms :: Force C# To Not Rename Input Elements To Work Consistently With Form.GetValues?

Jan 6, 2010

HOW TO Force C#/ASP.NET to not rename input elements to work consistantly with Form.GetValues.

ASP.NET changes the "name" property of input elements set with "runat=server" to match their ID property at run time. This causes server-side calls to HttpRequest_Page.Form.GetValues to now be able to get the expected Form element.


.aspx page...

<input type=text id=txtMY_NAME name="MY-NAME" runat=server>
<input type=hidden id=hidMY_SECRET name="MY-SECRET" runat=server>

.aspx.cs file:

string csNAME = HttpRequest_Page.Form.GetValues("MY-NAME"); // Fails...
string csSECRET = HttpRequest_Page.Form.GetValues("MY-SECRET"); // Fails...

The reason why this fails is because ASP.NET changes the "name" properties of these controls to match their "ID". Thus at run time they become as such:

.aspx at run-time

<input type=text id=txtMY_NAME name="txtMY_NAME" runat=server>
<input type=hidden id=hidMY_SECRET name="hidMY_SECRET" runat=server>

I do not want ASP.NET doing this. I do not want to change the naming convention of my id properties either. In fact, I need the ID to be different than the name, as I use client side script to change/create/delete controls on the fly.

What can one do?

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Forms Data Controls :: Iterating Gridview Elements Over Multiple Pages?

Jul 25, 2008

I want to loop through every entry in the gridview however the essential use of paging makes it impossible for me to access data that's not on the current page.

How could I make it so that I can iterate through every element regardless of paging?

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C# - Multiple Rows Have Multiple Submit Buttons, Should I Make A Form For Each Button?

Jan 28, 2010

I am listing about 20 rows, each row represents an Order.Each row needs to have 3 buttons, each button click will perform a different action.I have 3 actions to handle each button post request, I am just unsure how to setup the Html forms for each button.

<form method="post" action="/orders/do1"><input type=button ... /></form>
<form method="post" action="/orders/do2"><input type=button ... /></form> [code]....

Should I create 3 forms for each button, per row in my listing?(that would mean 20 rows x 3 forms = 60 forms on a page)Is that 'ok' to do? (i.e. or is there a better way to do this?)

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JQuery :: Access Html Elements Like "<p>" Tag And Others When Html Elements Are In Content Page Only?

Oct 3, 2010

i have found out a way to find controls on content pages by using

var txt = $('input[id$=TextBox1]'). But how to access html elements like "<p>" tag and others in jquery when the html elements are in content page only.

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How To Use Same Form On Multiple Pages

Mar 18, 2011

I am writing an application, and i have a user form, which will be the same for the users and the administrators. on different pages.

i want to only create the form once, and then be able to put it on two different aspx files.

i tried it with the "control" , but it then gets really complicated trying to access fields on the control from the aspx page to do the calculation, etc.

is there another way to do this? creating a form in one place, be able to add it to any aspx page, and have easy access to it's controls?

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MVC :: Multiple Buttons In The Same Form?

May 14, 2010

I got a form user can fill with data (strongly typed).

At the end of the form is 2 buttons (Save and Publish).

The form's data should be posted to different action methods, depending which button have been clicked.

For some reason this nor this work at all. (I'd love to get Andrey's solution working)


And in my controller:


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Handling Multiple Button On One Form?

Nov 18, 2008

My page have two sections. Order and Quote. Bother have validation and buttons including image buttons two. The problem is that when I click the button order section it effect the quote section too and stops the page from being posted due to validation. How can I handle this. Also when I do the same with quote section the order section is effected too.

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