MVC :: Request.Form Collection Does Not Contain Form Hidden Field Value?

Jul 5, 2010

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Request.Form collection does not contain Form hidden field value.

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HttpHandlers / Modules :: Hanging Request.Form Collection Values / Request.Form Collection Is Readonly

Jun 20, 2010

I'm using HttpModule to capture requests to the web server. Before processing the page I'd like to check the values contained in some keys of the Request.Form collection and according to some logic change if necessary. I'd like to do this when BeginRequest event is fired. The problem is that the Request.Form collection is readonly.

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C# Get Custom Attribute Of Hidden From Request.Form

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I have some code which is rendering some custom attributes of Hidden Control (without runat=server).

Something like,

And I have a lot of these hidden elements on my form.

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Web Forms :: Get Custom Attribute Of Hidden From Request.Form?

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I have some code which is rendering some custom attributes of Hidden Control (without runat=server).

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Why Is The Request.Form.AllKeys Collection Empty After A POST And Redirect

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I have an aspx page where I want to post values to a new page and then redirect to that new page. I don't get any errors and the redirection occurs but the AllKeys collection is always empty.

Here's an example of my code:

[code]...

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JQuery :: Post The Form And Use The Value Of The Hidden Field To Know The Selected Radio Button

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I'm having a time finding out I could not do something simple as :

On the onchange event getting the new selected checkbox, this with jquery.

The checkboxes are located in the following div :

[Code]....

This all located in a form, when I will find out the selected radio on change I will post the form and use the value of the hidden field to know the selected radio button. Nothing really difficult.

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[Code]....

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Get Request.Form.Item By Matching Request.Form.Key?

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My Request.Form keys are all prefixed with ctl00$container name$ and then the key I want.

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Visual example from the immediate window:

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I am creating a Payment request form that my customers are going to fill out and submit so they get paid I would classifi it as an invoice. Does any one have any examples or point me to a good place to read about creating this type of form and the database tables to support the application?

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How do you use the http POST method with a Grid View on another page. I am trying to use the POST method to send the ID from the selected row of a Grid View, I am using a link button set to fire the select command and it has the Post Back URL set, from one page and then retrieve the ID value on another page using an Object Data Source. Also, under the Defining Parameters, I am setting the ID parameter to Form Parameter Source and have entered the Grid Views name in the Form Field.

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HttpHandlers / Modules :: HttpModule That Alters Request.QueryString And Request.Form?

Jan 27, 2011

We're trying to implement functionality that intercepts, inspects, and alters if needed data in the Request.QueryString and Request.Form collections.

Since Request.QueryString and Request.Form are readonly, is it possible to use a HttpModule to do this without Reflection or Response.Redirect?

We're thinking that we can construct a new HttpRequest, and replace the original one. Would there be any implications in doing this?

I know mocking this object is impossible without using HttpRequestWrapper, but wasn't sure whether ASP.NET sets other things beyond the constructor.

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MVC :: Request.Params Request.Form Not Working In Internet Explorer 8?

Jun 29, 2010

This is a input

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When i browse the same page with internet explorer 8 and click on the same input Request.Params["btnshoppingCart"] != null or Request.Form["btnshoppingCart"] != null is not satisfied. When i used the watch i saw that there is no key by the name of "btnshoppingCart" in either Request.Form or Request.Params if input is clicked from internet explorer. However when it is clicked from firefox there is value "shoppingCart" inside Request.Form and Request.Params against "btnshoppingCart" key. One more strange thing that i observed was that are two keys "btnshoppingCart.x" and "btnshoppingCart.y" inside both Request.Form and Request.Params whenver clicking is done from both internet explorer and firefox. This is happening against all inputs of type image irrespective if the input is present inside a html form or not. Forms are created like this

<% using (Html.BeginForm("Action", "Controller", FormMethod.Post)){%>

The version of internet explorer is 8.0 and firefox is 3.6.6

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State Management :: Hidden Field Value In User Control / Make The Hidden Field Save Its Value?

Mar 23, 2011

I have a custom user control which contains a asp hiddenfield object. The value of this hidden field is being set using javascript and I have verified that the value is being set properly. When a postback occurs the new value is not being saved and I cannot access it in my code.

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How To Display In A Form The Next Object Of A Collection

Jun 8, 2010

I have a list of objects produced. after click on next I want to display the next product in the form

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[code]....

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C# - Display In A Form The Next Object Of A Collection?

Jun 8, 2010

I have a list of objects produced.after click on next I want to display the next product in the formin my asp page I have the following form:

<form id="formNF" runat="server">
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<asp:TextBox ID="txtArticle" runat="server"></asp:TextBox>

[code]...

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MVC :: Does The Hidden Input Must Be Inside A Form

Dec 10, 2010

In order to use hidden input, does the hidden input must be inside a form?

Is there any strategy to perpetuate the hidden input value between requests? So far I guess it's through query string / URL?

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Web Forms :: How To Validate A Hidden Form

Mar 27, 2010

Dispite what the topic subject says, I really want the opposite. I panel with a form and validations that's hidden. I also have another form that I'm trying to use on the same page, but the page won't validate because of that hidden form. Is there any way around this? Can you tell the brower NOT to validate just those hidden fields?

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How To Send A Collection And A Few Other Values In Json Form To A Webmethod?

Sep 28, 2010

Upon clicking a button I need to send a collection and a few other variables to server in Json form.For each value in the collection the server code (C# ) wil update those other variables in the DB.

For example there is a ‘classnumber’ collection with values (First, Second, Third, ….),other variables (‘teacher_name’ and ‘subjectname’).For each value in the ‘classnumber’ collection I need to update the ‘teacher_name’ by searching for the ‘subject_name’ in the DB.So I need to pass the ‘classnumber’ collection,’teacher_name’,’subject_name’ values to server in json form. At the moment instead of sending the ‘classnumber’ collection I am sending ‘teacher_name’,’subject_name’,’classnumber’ as variables for each value in the collection ,which requires multiple requests made to the server.

Instead of these individual requests I am wondering if there is a way to send all the data at once to server in json form?

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C# - How To Receive Input To A Hidden Textbox And Submit A Form

Sep 6, 2010

I have an ASP.NET application designed for a Windows CE device that needs to take in information from a scanned barcode. The device sends the scanned data as string input with a crlf to whatever field has focus. I set up my page with a textbox that takes the input and posts back to look up the item.

Now, I'd like that box to not be visible to the user, but IE complains when I set focus to it if the field is "visibility: hidden" or "display: none". I've tried moving it off screen using absolute coordinates, but setting the focus scrolls the window to the new location.

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Posting A Form With Hidden Fields Without Submit Button Click?

Jun 7, 2010

I have a form as

<form action="" method="post">
<input name="Descripcion" type="hidden" value="" id="Descripcion" runat="server" />
<input id="Submit1" type="submit" value="Comprar" />

Instead of clicking on submit button i want that the form should be posted without clicking submit button with hidden fields

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Web Forms :: Unable To Access Hidden Filed Value In Target Form?

Mar 12, 2010

In form1.aspx I have a hidden field.I am populating the hidden field with the value in the text box.

When I go to form2.aspx i retrieve the hidden filed value in another hidden field using request.form.

After using request.form ,the value is empty.

what can be the problem here?

In form1.aspx:-HiddenField1.Value = TextBox1.Text;

In form2.aspx

HiddenField_2.Value = Request.Form["HiddenField1"];

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C# - Accessing The Form Collection In An IHttpModule Causes Event Handler Not To Get Called On Default Page

Mar 18, 2011

I've created a simple sample site to demonstrate the issue. In it, I have a Default.aspx Page that has a button on it:

<asp:Content ID="BodyContent" runat="server" ContentPlaceHolderID="MainContent">
<p><asp:Button OnClick="ButtonClick" Text="Button" runat="server" />
</p>
<asp:Label ID="output" runat="server" />
</asp:Content>

The code behind just sets the label text on the button click:

protected void ButtonClick(object sender, EventArgs e)
{
output.Text = "Button Click!!";
}

I then have an IHttpModule that gets called for every request:

[code].....

And now it's broken again! So to make a long story short, just by accessing the Form collection on the request in the IHttpModule, I somehow screw up the PostBack, and the event never gets fired.

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Web Forms :: Get CssClass Value Using Request.Form

Oct 9, 2010

Is it possible to get the CssClass and SkinID via Request.Form? I tried below but failed.

[Code]....

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C# - Serializing Request.Form To A Dictionary Or Something?

Jan 7, 2011

i need to pass my Request.Form as a parameter, but first i have to add some key/value pairs to it. I get the exception that the Collection is readonly.

I've tried:

System.Collections.Specialized.NameValueCollection myform = Request.Form;

and i get the same error.

and i've tried:

foreach(KeyValuePair<string, string> pair in Request.Form)
{
Response.Write(Convert.ToString(pair.Key) + " - " + Convert.ToString(pair.Value) + "<br />");
}

to test if i can pass it one by one to another dictionary, but i get:

System.InvalidCastException: Specified cast is not valid.

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Gridview Hidden Field - How To Get A Hidden Field Value Using JavaScript

Jan 7, 2010

I have Gridview like this:

<asp:GridView ID="gvPartsSearchResult" runat ="server" CssClass="MRJ_TextGrid">
<Columns>
<asp:TemplateField HeaderText="Select">
<ItemTemplate>
<asp:RadioButton
ID="rdButton"
runat="server"
AutoPostBack ="true"
onclick="javascript:CheckOtherIsCheckedByGVIDMore()"/>
<asp:HiddenField
ID="hdnFileExtension"
runat="server"
Value ='<%#Bind("FILE_EXTENSION")%>'/>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>

I want to read the hidden field value when the user clicks on the radio button.

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