Ajax Page With ASP WebForms

Sep 14, 2011

I'm amateur with asp and .net, but i need create a page to generate xml/json output response similar to java servlet.what is the best way to do ajax response with asp forms? Asp page form with [code]

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C# - Run A WebForms Page And An MVC Page In Different Files?

Apr 1, 2010

when i try to do this and load the webforms page, i get this error, even tho the path is correct. what can i do to get past this? i've tried running the aspx page from the root as well. nada.

[Code]...

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Javascript - Pass Page Or Master Page Object To AJAX Page Method

Oct 5, 2010

I wrote a page Page method in my aspx page. in web service method I need to call FindControl method return textbox and get text box value. But my findControl will take MasterPage object to iterate.

see my code

<script type = "text/javascript">
function ShowCurrentDateTime() {
$.ajax({

[Code]....

How to pass Master Page object or Page to Page method?. So I can use in Sared method.

Is there any way I can access Textbox value directly in Page method? I need access couple of controls in Page Method.

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.net - ModalPopupExtender + ASP.NET AJAX: Can't Page Grid

Mar 30, 2010

I'm trying to page and sort my DataGrid which is inside a ModalPopupExtender but I can't page it in any way, already tried with <Triggers>, put the UpdatePanel inside, outside, in the middle, and it does NOT work. Modal popup does not get closed but the grid just disappears. Code:

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
If Not Page.IsPostBack Then
BindData()
End If

[code]....

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Asp.net - Using .aspx Page As Ajax Event Handler?

Apr 13, 2011

For several days now I've been messing around with Ajax calls using different combinations of javascript, ASP controls, and regular controls. I've gotten a bit of understanding about what's going on, but using ASP controls still hides too much of the machinery, and I want to have a deeper understanding. With that aim, can anyone tell me why the following setup doesn't quite work?I have a file "Testy.aspx" with the following:[code].....

So, I hoped to make my .aspx file do double-duty both as the regular-page request handler as well as the Ajax request handler. However, when I click the button ("baroo") to generate the Ajax request, the result that ends up written back to the "testytext" div is the raw html for the entire page, as if under normal request conditions. Clearly, my attempt to override the page request by making the code-behind implement IHttpHandler and supplying an "Overrides Sub ProcessRequest" method is not working. The server is still treating the Ajax request as a normal request, and in fact my own "ProcessRequest" method is never even called.Is it possible to build a page/handler like this? How can I intercept the incoming request from the client and respond accordingly?This is how Ajax works, right? So it must be possible.Again, I'm deliberately doing this as an excercise to avoid the use of "magic" ASP controls like UpdatePanels,

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ASP.NET MVC AJAX Returning New Page On Simple Call

Jul 15, 2009

I'm not sure what's wrong with the following setup. I have a View that lists a number of records, and each has a dropdown associated with it to change a value on that record. I had it all working without AJAX, but you had to change a bunch of the dropdowns then click a Submit button. I wanted to change it so that it would save the dropdown choice immediately.

My stripped down View (of type IEnumerable(Of MyTable)):

<script src="../../Scripts/MicrosoftAjax.debug.js" type="text/javascript"></script>
<script src="../../Scripts/MicrosoftMvcAjax.debug.js" type="text/javascript"></script>

[Code]....

What I would like to happen is for the dropdown change to trigger the Update controller, but probably not return anything - just update the database and let the user move on. What's happening though is that a blank page is displayed with the Content value on it (i.e. "123: ABC"). It's the correct id/code combo, so the Update seems to be firing correctly, it's just choosing to wipe out the html.

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.net - Ajax Tab Control Selected Index Changes On Page Refresh In ASP.Net?

Nov 29, 2011

I am using AjaxToolJit Tab Container and the problem is when i refreshes the page the default tab is set to 0 but i was in 4th tab when i refreshed the page.AutoPostBack=true

for a while but when i used UpdatePanel in the same page causes the same problem again.

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C# - Whats The Page Life Cycle In Ajax Call In Asp.net

Mar 28, 2010

whats the page life cycle in Ajax call in Asp.net?

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Service AJAX Requests With Webmethod In ASPX Page

Jan 23, 2012

I am trying to service AJAX requests with a method in my .aspx page. For some reason I am not getting the data returned that I want.

mypage.aspx:
<%@ Page Language="VB" Title="My Page" %>
<%@ Import Namespace="System.Web.Services" %>
<%@ Import Namespace="System.Collections.Generic" %>

[Code].....

When I click mybutton I get an alert "error:" and then whole lot of HTML that says:

Unknown web method testmethod.
Parameter name: methodName

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Use Ajax Toolkit In ASP.NET Page To Display A Calendar Extender?

May 31, 2010

I'm trying to use Ajax Toolkit in ASP.NET page to display a Calendar Extender with this code, but it's not working for me.

<form id="form1" runat="server">
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>

[Code].....

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Get Http Url Of Request Made By Ajax Page In Webbrowser Control?

Jun 11, 2009

how to get http url request made by ajax page in webbrowser control?? i am navigating one ajax website in my webbrowser control. on one webpage there is one button which when click send http request to page, but this request is ajax, i want to capture that url whose request is send after clicking. is it possible. i think its possible coz when i use http debugger utility in mozzila called "HttpFox" it display that url.

i try to hack dom of webpage and scrap url form it but i found that the url is created by javascript variable.

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.net - HTML Input Not Working Correctly With AJAX Update Panels Used Else Where On Page?

May 20, 2010

I have some update panels on my page that do some asyncpostbacks to keep some dropdownlists correctly populated. My problem is that on my page i have an HTML input that is handling some file uploads. With the AJAX on the page with asyncpostbacks, and while i step through my code behind, the files arent being uploaded. Using a postbacktrigger (non-async) is not possible because of my layout.

Here is my code:

<div id="divFileInputs" runat="server">
<input id="file1" name="fileInput" type="file" runat="server" size="50" style="width: 50em"
onfocus="AddFileInput()" class="textbox" /></div>

[code]....

When I put a breakpoint in at the declaration of service and then check the value of "files", the count is 0. I am expecting it to be 2 when i have one file uploaded.

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C# - Routing In WebForms For A CMS?

Dec 8, 2011

I know that you can create routes in asp.net web forms, but how do I go about creating one that handles all my pages like [URL]? I do have a file called page.aspx that will process all the requests for the CMS. I think it's a root handler I need.

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MVC In C# Coexisting With Webforms In VB?

Aug 11, 2010

I have inherited a really awful webforms application that is all kinds of bad--an untestable hairy mess of datasets and Page_Load events. Object oriented? N-tier? Unit tests? source control? All academic niceties to the team that built this mess.

It started life as an asp classic app, got mostly ported to VB.NET. Management denied my request to "nuke the entire site from orbit" and start over.

[Insert discourse on how ASP.NET MVC is absolutely, positively the only sane way to to .net websites anymore]

I know we might be able to interoperate between the legacy webforms and mvc. The question is, can we leave the legacy code in VB and build the new stuff in C#? I want to force the conversion to C# so the team doesn't fall back into bad habits.

Is there an MVC 2 Areas strategy that we could use here?

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Convert A .NET 4.0 Webforms Solutions To C# 4.0?

Jun 18, 2011

I have a VB.NET 4.0 based solution (just one project) in Web Forms and needs quick conversion of the whole solution to C#.

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Got Exception :Sys.WebForms.PageRequestManagerServerErrorException

Feb 22, 2012

Why I got this error Microsoft JScript runtime error: Sys.WebForms.PageRequestManagerServerErrorException: Invalid postback or callback argument. Event validation is enabled using <pages enableEventValidation="true"/> in configuration or <%@ Page EnableEventValidation="true" %> in a page. For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them. If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation.this error appears when the event for Save command is started

[Code]...

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Filling Out Webforms/textboxes Vb2010/08?

Jul 27, 2011

my problem is that i need to fill out a webform or a textbox, i tried using getelementbyid but then noticed the webform had no id only a name is there anyway of getting it to use a name instead of a id? (to be more specific instead of id= on a webpage is there any function that could use the name=?)

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Passing Data Between Winforms And Webforms?

Mar 6, 2009

i'm planning on creating an application that uses both winforms and webforms and i have a few concerns before i proceed.1. is it possible to pass data between winforms and webforms?2. how about passing objects like connections, datatables, dataadapters etc. between webforms and winforms?3. i want a centralized authentication for all forms and webpages... meaning if i'm authenticated in a winform, i should also be authenticated when i launch a webform thru the winform and vice versa.

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WebForms - OnClick Event For Textbox

Mar 10, 2011

I am trying to write an onclick event for textbox but VB.net does not seem to support textbox1.click(). I want to open a new form every time someone clicks on the textbox. Opening a new form is no problem, but I cant detect the click. Is there any event for textbox that detects click event? I saw something like TextboxBase that has Click but I am able to use it well.

This is how my class looks :
Partial Public Class TextBoxClick
Inherits System.Web.UI.Page
End Class

It has some basic load and init events. I am trying to write a Sub like this :
Private Sub incident_clicked(ByVal sender As Object, ByVal e As System.EventArgs) Handles Incident.OnClick
Incident.Click does not work either.
I am guessing I need to import some class to access the Click event but I am not sure which.

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WebForms :: Binding A List Of Keyvaluepair To ListView?

Sep 20, 2011

I am trying to bind a New List(Of KeyValuePair(Of String, Integer)) to a listView
Currently, I have a code off:

Dim TestList As List(Of KeyValuePair(Of String, Integer))
For Each key in GetTPDesc (Which is a list of strings)
TestList.Add(New KeyValuePair(Of String, Integer)(GetTPDesc.ToString, 0))

[code].....

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Search A Webforms Textbox For Specific Word (VB 2005)

Sep 30, 2011

I have been searching all morning for a sample showing a simple "find" example for an ASP.NET Webform, where a "find" button is used to find a string in a Textbox, and then Highlight it, like Word does. The following VB6 code worked perfectly, but I couldn't find .Selstart or .SelLength properties in the Text property of the ASP.NET textbox.

'find the first instance
Private Sub Command14_Click()
Command36.Visible = True

[Code]...

Is there a way to Select the Length and Start of the string in ASP.NET. The Winforms code is very similar to the VB6 code, so maybe I'm just missing something simple.

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Server-side Html Coding - WebForms | Dream.In.Code?

Mar 17, 2009

What to change color of label in Web Form by letting each user click a button. Cannot figure out how to put code in aspx.vb without geting a souce code error. Is there an option in Visual Studio 2003 that allow you to key html in aspx.vb.

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Tab Page 1 To Tab Page 2 (textbox1 Input From Tab Page 1 To Textbox2 In Tab Page 2)?

Jun 12, 2011

I have a text input in textbox1 in tab page 1 and i want that text from textbox1 will be displayed in textbox2 in tab page 2.

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Run JavaScript Function On The Page Onload Event In Content Page Of Master Page?

Nov 4, 2010

HOW TO RUN THE JAVASCRIPT FUNCTION ON PAGE ONLOAD EVENT IN CONTENT PAGE OF MASTER PAGE.? means i have masterpage and the content page of master page namely default.aspx in vb.net.i wanna run javascript function in Default.aspx and i have called the function body onload in master page.when i run my website it shows the error "" Microsoft JScript Runtime Error : Object Expected ""

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Save Single Windows Form As Many Page And Reload The Page Whenever Call That Page

May 17, 2012

I need sample vb.net code to save single windows form as many page and reload the page whenever i call that page...

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Webbrowser Navigate To Page / Wait For Page To Load Then Move To Next Page

Jun 13, 2011

How can I get Webbrowser1 to navigate to each page and wait for the one page to completely load, then move to the next page...? [code]

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Asp.net - Using Javascript On An Aspx Page That Uses A Master Page - Which Contains The Page In A Form?

Aug 7, 2009

I have a master page which contains everything that inherits it within a form. A page inheriting from it needs to run some javascript to act on a text field on a page. However, I can't seem to reference that text field through the javascript, since the form begins on the master page. The following line will come up bogus: document.form1.txtFindUser.value = blah.responseText; This is because form1 is defined on the master page, while txtFindUser is on the current page.

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Session Variable To Change From Page To Page As Move From One Page To Another?

Feb 2, 2010

i am new to this. i have 4 pages. login.aspx, account.aspx, settings.aspx and fliers.aspx.
its all programmed in vb.net with sql server backend.on my firstr page, login.aspx i have this code in the .vb page -

Dim SQL As String = "SELECT * FROM table1 WHERE email='" + Me.txtUserName.Text + "' AND password='" + Me.txtPassword.Text + "' "
ExecuteNonQuery(SQL)

[code]...

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Why A Page Load Would Be Called Twice On Page When requesting Aspx page

Jul 3, 2006

Does anyone know why a Page_Load would be called twice on a page when requesting an aspx page?I am using .Net 2.0 with the new .net 1.1 compilation model installed. Whenever I request a page, the Page_Load on the aspx page appears to be called twice, so does the Page_Load on and user controls added to that page.

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Page Events In Master Page And Content Page

May 11, 2011

The thing is i have a Master page and a Content Page. I have a LoadComplete in Content Page and a PreRender in Master Page. The problem is one of my htmlcontrols on content page i change on the LoadComplete event server side of the content page. I also have some code for disabling controls on the Master Page PreRender event. For some reason all controls on the aspx side go through the Master Page prerender except the ones that i change on the LoadComplete side. How can i make sure the entire content page loads and then the Master Page PreRender event is called, making all the controls go through that event.

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