Getting Hold Of Html Control On Postback
Apr 13, 2010
I have an aspx page with a bunch of aspx controls, nothing unusual.
In this page I also have an html select control and a simple input control with type="submit". When I hit submit, the request goes back to the server, where I am trying to get hold of the value of the select control, but how can I do that? I tried looking for it in the Request.Form scope, no luck. My code looks like this:
<div id="divSearch_ctl00_ctl01_CustomContent_BasicCustomContent_RoyaltiesGrid1" style="display:none;">
<span>From</span>
<select> [code]....
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Similar Messages:
Mar 15, 2010
I'm trying to create a page that will display a survey that has multiple pages... everything displays fine, but I'm doing something wrong on the timing as my dynamic controls (for the answers) are disappearing when I post back. (so I can't get the answers or perform validation)
1) I have a Repeater control on my page that is populated in Page_Load !IsPosBack that is acting as navigation. It displays each page name, and each Repeater Item contains a LinkButton whose OnCommand event does:
2) There is a second Repeater on the page that is populated with Questions corresponding to the selected Page (from the step above) This is just a DataTable created and then DataBound to the Repeater.
3) The Questions Repeater control has an OnItemCreated event that dynamically generates the proper control for the Answer (TextBox, DropDownList, RadioButtonList, etc...) and places that control in a Placeholder in the Repeater Item.
This all works for displaying, but when I attempt to click a Button, I cannot access the controls generated in step three, and all of those controls disappear from the Repeater.
I have tried creating databinding the Questions repeater in Page_Init as well as dynamically creating the answer controls in a (foreach RepeaterItem...) statement as opposed to OnRepeaterItemDataBound... but now my buttons (located in the FooterTemplate) refuse to post back at all...
added a Test button for postback, but that doesn't work either.
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Jan 17, 2014
i want to hold data at runtimeEx-I have a 3 Services A,B,C and in A,B,C contain services list,then if user select A service and 3 services in a A Listagain user select B service and 2 services in a B Listand again user Select C Service and select 1 services in a C listSo How i can hold data A,B,C services ID'S value with respect to services listID'S value at runtime.
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Jan 17, 2010
My Problem Simply is when i create a Literal Control and I put at the text property Html Input
(<input type="text" name="textfield17" id="textfield17" />) and create an control button and But at the click event of the control button :
Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
Response.Write(Literal1.Text)
End Sub
and When I run the application I will find at the literal control a text box when i Type any text at it and click the button it return another Literal have only Html Input control without the text it entered
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Sep 2, 2010
I have an html control (not a server control) like textarea. How can I get the value in this control from the server side when I cause a postback by clicking on a button, without writing the value in the url.
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May 8, 2010
I have a quicktime movie(Size: 1.5 mb Format: .mov) that I would like to play on the site when the site loads.
This movie will melt in with a backgroundpicture so it is important that there is no borders of any possible control that can hold this QuickTime movie to put the movie in the exact place.
I wonder what control that can hold a QuickTime movie like this ?
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Jun 6, 2010
i use html form and html control to submit data,like bellow:
[Code]....
after submit,the input email lost it's data,how to keep it?
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Feb 4, 2011
I have a js function
function(id){
// do a postback here and get the id on the server side
}
I need to send the id to the server, how could I do this?
any way will do, using additional/hidden controls anything
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Jan 28, 2011
iam using the Jquery Uframe with asp.net project.Iam getting a postback problem here.
In side the uframe ,button control getting postback the page even the client side method call also.
i tried with the Html button Control also by setting the type="submit" ,iam facing the same problem.
And I got very limited reference about the uframe(codeflex,codeProject).
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Jul 4, 2010
On postback, how can I check which control cause postback in Page_Init event.
protected void Page_Init(object sender, EventArgs e)
{
//need to check here which control cause postback?
}
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Sep 20, 2010
I am realizing a table with multiple rows for a Sharepoint webpart.
In this project, I would like to have a new html control which contain a LinkHtml in one column and another label in another column.
Essentially this html control would be a row used for my html table.
At the moment i am doing a row like this in the main class :
[Code]....
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Aug 7, 2010
I fill the data set twice, the table name never set correctly.
I see only one table in the DataSet What is chances?
[code]...
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Jun 27, 2014
I have an asp Button1 increasing Label1 by value 1 on each click (VB), how would I get the label to increase by holding the button instead of click click click.
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Jan 19, 2010
Is there any other place that makes sense to store credentials for third party APIs that you use to make API calls for Facebook, PayPal, etc.? I'm tempted to store sets of credentials (Sandbox, Live), etc. in my web.config and the in a Profile.cs class create a couple methods to go out and populate the profile custom object's properties with the values from my web.config based on an enum that holds the type of Profile account I want to get details for.
So for example I have an enum for PayPal called PayPalProfileType that has value ExpressCheckoutSandbox and ExpressCheckoutLive
In the constructor I'm passing in one of these values then calling a method SetSandboxValues() or SetLiveValues() dependong in what value was passed into my constructor. The SetSandBoxValues for example would set my Profile.cs's properties like ApiUserName, ApiPassword, ApiSignature with the values grabbed from my web.config in a section that has all sandbox values in my web.config.
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Jul 28, 2010
I am building a web application using asp.net (c#) and lingtosql. When I perform update operations on my db I update my classes. I use gridview to bind to update information. When I relay solely on the database the page's take very long to load. When I relay solely on the cache, I have old data. What workarounds do I have for have asynchronous cache updating, yet not overload the database with endless requests (I'd like to update the cache only if there has been a change in the database itself, and perform the update operation asynchronously).
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Mar 28, 2011
I have a Dialog (Modal), where I'll register one (or several) contact.
the contact goes to a gridview, where they may be edited or deleted.
the data in the Gridview, can only be saved in the database at the end of the process.
How can I achieve this?
Modal code
[Code]....
OBS.:
I don't have a good sample of CSharp or html code, 'cuz i don't know how to achieve this. All my code look messy atm (trying a lot of things already) My GridView is an ascx, and the modal is in the same ascx. I belive some temporary table, or something like this will help, but i never did something like it (looks like a shop cart software), and i don't even know how look for it.
EDIT:
i did this code:
CSharp code:
[Code]....
i create one temporary gridview, but the data is empty, i tried pull it from my text in the modal, but i was not able to, i'm i'm not familiar in how i'll get the data from gridview to my database. (i believe this is the easier part, then i not focused at it in the moment)
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Jul 7, 2010
I have trouble getting hold of the UserName from the QueryString. My data is not displayed on my page.
What is the problem with this code:
[Code]....
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Apr 27, 2010
i use from a session for holding user's authority in web application.
how to i set Session.Timeout that never expire or can i use other way to holding user authority
in web application.
i need access to this authority in all page of web application
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Apr 13, 2010
I have a report that I generate with HTML.
I'd like to get the HTML output of the page, and be able to send it via email. I'm having problem with session, because the report redirect me to the login page because when I create a new WebRequest, it doesn't use the information of the current session.
Is there a way to get the HTML of the report without having to code a work-around for the security ?
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Apr 10, 2010
I have a literal control in markup. I am generating html layout in C# and then set the text property of literal to the html.
StringBuilder sb = new StringBuilder()
sb.Append("my html.....");
lt.Tex = sb.ToString();
Some of these html elements need to post back and call a function on the server side. I googled and found a couple of posts using __doPotsBack, but it is not working. Below is how I am adding an image and adding onclick script.
sb.Append(string.Format("<img title="Add" src="images/Add.gif" onclick="javascript:__doPostBack('Add','');return false;"/> "));
It does cause postback, but Add function is not called. Additionally I want to pass some parameters to Add function.
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Apr 1, 2010
I am currently working on a ASP.net web app which the user enters info into input boxes and selects items from dropdowns. Once the user is finished they click on a button which validates the fields (using jquery validate plugin) and then removes the fields and replaces them with only field value. So essentially there are no more input fields only text.
The next step is to click on a button which will convert the html to pdf. However, when I do this, the PDF that is generated has all of the input fields that I previously removed. When I debug, I notice the HTML being returned is still the old HTML and when I view the page source, I am still seeing the old HTML even though the browser is showing the changes.
I am using this to grab the current html after the button click:
string htmlCode;
WebClient wb =
new
WebClient();
htmlCode = wb.DownloadString(devurl);
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Feb 10, 2010
if (Page.IsPostBack)
{
//here I need to know which control causes the postback
}
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Mar 8, 2011
<%@ Master Language="C#" Inherits="System.Web.Mvc.ViewMasterPage" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<link type="text/css" href="~/Content/Main.css" rel="stylesheet" />
<link type="text/css" href="~/Content/ui-lightness/jquery-ui-1.8.10.custom.css" rel="stylesheet" />
<script type="text/javascript" src="~/Scripts/jquery-1.4.4.min.js"></script>
<script type="text/javascript" src="~/Scripts/jquery-ui-1.8.10.custom.min.js"></script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title><asp:ContentPlaceHolder ID="TitleContent" runat="server" /></title>
</head>
<body>
[code]...
However I'm not seeing center aligned text. What am I doing wrong? Also, will I need to make whatever changes to the JQuery .css files as well? Basically what I'm aiming for here is a single master page that I can use to hold all .css and javascript code so I don't have to reference it everywhere else.
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Jan 18, 2011
I've been using this programming style, that I've seen in an example and just started using it, because it does the job... I would like to know other programmers' opinion about it...
So the situation is when you have a GridView, or a control based on it like the RadGrid, and you want to keep track of a data table while you are adding, editing, reordering and deleting rows.
Using the session to hold the data table (or list of data) may not be the best solution, because the user may open two identical web pages... Using the ViewState to hold the data may be and option... I have been using an approach like the following:
[code]....
So using a static List variable, of a custom object (class), declared in the code-behind of the Aspx page, and updating it whenever the data is edited.
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Oct 17, 2010
why I am getting the following error message with the following code:The Code:
Partial Class test2
Inherits System.Web.UI.Page
Const ICEVarUsername = User.Identity.Name
[code]...
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