Forms Data Controls :: How To Get Normal HTML Control Values After Post Back
Jun 28, 2010
I need to process surveys. I have modelled them in SQLServer, just need to generate the forms to input it.I have nested SqlDataSource/DataLists. The outer gets the questions and the inner gets the various options as a plain HTML radio buttons. I can't use ASP.NET radio buttons because of a bug with them inside itemtemplates not mutually exclusive http://support.microsoft.com/default.aspx?scid=kb;en-us;316495Anyway, so now I need to know the which radio buttons were selected so I can insert the values in the database. What is the best way of doing it?
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Sep 16, 2010
I have a post-only action that has a different route. In my form, I need to post to it, but also keep the querystring values I currently have.
Initial response: /my/first/path/?val1=hello
Needs to post to: /my/other/path/?val1=hello
It seems when I specify a route, it of course only returns the route and doesn't append the querystring values of my original page (for obvious reasons).Is it possible to cleanly append querystring values to my the action attribute of the form tag?
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Nov 11, 2010
I have a GridView control that has an ItemTemplate that contains an HTML radio button. In my code behind I am querying a database, retrieving a column of values, and then binding the list to the GridView. My problem is that the radio button that I select is not being persisted on post back. I have tried using an ASP RadioButton rather than an HTML control, but when I do that all of the radio button can be selected at the same time (i.e. like check boxes). how to persist the radio button that is selected in this scenario?
[Code]....
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Jan 10, 2011
i'm attempting to set regular html checkbox's checked value based on if a master asp checkbox is checked or unchecked. The normal html checkbox is located in an asp repeater control that is populated in the page load event.
MAIN .ASPX PAGE
<asp:CheckBox ID="ChkMaster" runat="server" OnCheckedChanged="ChkMaster_CheckedChanged" AutoPostBack="true" />
[code]...
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Oct 4, 2010
I am using asp.net/c# application. In my application, I have a gridview.<asp:GridView id ="gv_QuestionList" runat="server"> </asp:GridView>In Code Behind, I created dynamic textboxes and DropDownLists on RowDataBound.
[Code]....
I have a Save button out side the gridview which stores all the row values into database. when I click the "Save" button, I lost dyanamically ceated controls like textbox,dropdown and values (on postback).How can i get all the dynamically created controls and values after the post back?
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Apr 4, 2011
I have a custom server control (composite control having dynamically created dropdown boxes and textboxes). I have enabled AJAX in order to avoid page reload.The server control is used inside the ASP.NET webcontrol having few buttons which controls the visibility of the server control. Now I enter values in the dropdown box and texboxes and click on any other button. After this postback the last entered values are gone! The control is not remembering the values. How can I retain the values after post back?
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Aug 3, 2010
I have a text box inside a update panel. With the onTextChanged events, I have a post back set in "True" to show the customer Name and email when I type in the customer ID in the text box. I want to have it show when we leave or Tab out of the text box. Now is working , but only afte I click the submit button. Does anyone know how to code the following in order to make it work right away when we Tab out of the text box.
protected void txtBDID_TextChanged(object sender,
EventArgs e)
{
}
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Nov 17, 2010
I Had two webforms. source.aspx & Target.aspxSuorce.aspx has 2 textboxes for input data and two submit buttons. am using cross page technique to transfer data from one webform to other.ource Page:On buton click event :
Server.Transfer("TargetHome.aspx");
= null)
{
TextBox TextBox1 = PreviousPage.FindControl("TextBox1") as TextBox;
if (TextBox1 != null)
[code]...
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May 26, 2010
Cascading html select server control, jQuery does not retain value on post back
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Nov 30, 2010
I have four textbox and a button in my page. After filling the textbox. When the user click save button. A loading image should be displayed. User should not feel that the page is postback to the server,Some thing like in facebook loading image.
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Mar 6, 2010
i have a server control that include more of one controlcan i set post back control that have't same name or id with control(span)
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Apr 5, 2010
<asp:DataList
id="dlstImagesDe"
DataSourceID="srcImagesDe"
[code]...
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Jul 14, 2010
Being new to ASP.NET I have run into trouble building my own Whack-a-mole program. I think my problem comes from using Buttons, which by themselves send post backs to the server, making the software unusable. The looks are in place, making new buttons show up in the grid, in different places by random. However, when a button is pushed - the score doesn't change (which I feel is strange).
Not so strange is that the Button doesn't work since it sends post back to the server - reloading the UpdatePanel. I think I should use a different controller like the CheckBox and style it hard using CSS (which isn't a problem). Is this the correct way to go, or should I make use of JavaScript AJAX instead?
Note to self: This technique shouldn't be used in a public application since it put too much unwanted pressure on the web server.
[code]...
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Jul 25, 2010
I have a /Register [GET] Action in the controller that pre-poluates a view-model with a string and an integer and returns: return View(myModel);I can see the string being populated in the textarea and the id being populated in a hidden input. Yet when the form gets POSTed, the string value is null and the int value is 0. I verified that both values are posted to the server but the model received in the POST action is missing those values.
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Oct 26, 2010
Im currently trying to use a jQuery plugin:jQuery Autocomplete TokenizerNow after posting back the page, I want to re-load the values back into the textbox for whatever items had been entered.Now the jQuery on the page is like below:
$(document).ready(function () {
$("#<%=txtPeople.ClientID %>").tokenInput("Handler.ashx", {
hintText: "Type in a name",
noResultsText: "No results",
searchingText: "Searching...",
[code]...
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Jan 14, 2011
I've these codes in my DATABASE in other words it's HTML. I tried these stuff:
<div runat="server" id="div1" visible="false">
<asp:Literal ID="literal1" runat="server" Text="" />
</div>
I tried in C# code behind:
div1.InnerText = contents;
div1.InnerHtml = contents
literal1.Text = contents;
But is still doesn't render well. I displays the original values in stead of a table and cells and columns. colours etc. etc....
What am I missing?
All these HTML's are in DABASE.Column e.g. column "Contents"
e.g.
"& lt;p class=& quot;MsoNormal" style= "color: #339966;"><"
;" ;> ;< ;strong > ;&l
ot; > ;& ;nbsp; < ;/span >< ;/p >
I've put (spaces between & and gt above code otherwise it was not showing in stackoverflow.) The HTML sysntaxs are correct because it's created by an HTMLEDITOR.
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Oct 19, 2010
I have a gridview inside update pannel and i enabled sorting for the grid if i click to sort a column it does postback and then the grid doesn't show in anather way i have item template column inside of the grid and i am using a button to call a function ,if i click on this button it do the function but the grid doesn t show after the post back
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Feb 14, 2010
I have 3 drop downs in a details view (populated from a gridview) during insert mode.
Dropdown 1
Dropdown 2 --> Based on drop down one
Dropdown 3 --> Based on drop down two
I am curious of how to handle the autopostback to update 2 and 3 since they are part of the detailsview, there isn't a selected_index_changed event.
I am ok with adding items to them on page load, just not for cascading of them...
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Feb 22, 2011
I have three identical procedures that are all used to open the contents of a GridView into Excel. One was working fine but the other two were getting a 'RegisterForEventValidation can only be called during Render();' error when attempting to run the form.RenderControl(html) command. The only difference I saw was that the one that was working had the allowsorting value set to 'False' where the other two were set to 'True'. I set the other two to false and they worked. So what is going on here? Why would this cause the error; is the GridView somehow doing a post back and loosing settings when this value is set?
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Apr 19, 2010
I have developed an asp.net application ... I have a textbox where user will enter is name ... I need to check if the name is already exist in the database table column when ever user enter their name with out post back . If user exist mean it should show a msg user already exist .....
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Mar 16, 2010
I have two tables. 1st contain topic and its id. 2nd contain topic name,its category and category list.
I want to display using asp .net datalist and vb script like the following
topic 1
Category 1
categorylist 1 of category 1
categorylist 2 of category 1
Category 2
categorylist 1 of category 2
categorylist 2 of category 2
topic 2
Category 1
categorylist 1 of category 1
categorylist 2 of category 1
Category 2
categorylist 1 of category 2
categorylist 2 of category 2
Also, i have tried displaying only Category 1, 2 .. which are Link button. When I click these button it shows category list. So here I am facing aproblem that everytime i click these buttons it refreshes my page which is very annoying.
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May 5, 2010
With asp.NET control dropdownlist, there is a property AutoPostBack, if it is set "True", the whole page will be posted back.
If the aspx page include a html element "select" like:
<select id="list" name="list" runat="server"
DataTextField="Name" DataValueField="ID" ></select>
and it data is filled by code-behind.
Question is: how to allow this Select have AutoPostBack function too?
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Mar 31, 2010
i am creating gridview with dynamic template, and the grid is disappear while postback. my code is below.
i am using GridViewTemplate class to generate Templates
Public Class GridViewTemplate
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Feb 24, 2011
ones i select file i want to process that file directly not need to click another button to process
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Mar 8, 2010
i create a user control
this user control have tree input type text
i can save a input value when a postback fire in page but i want
save all input value in post back
can i save value of more than one property of a server control when a bost back fire.
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