AJAX :: Using ModalPopupExtender With User Control?

Jan 15, 2010 01:43 AM

I have a simple question but I could not find the answer after hours of searching on the internet.How do I refer OkControlID and CancelControlID that is inside of my user control?For example, my user control is and input form with OK and Cancel buttons. How do I refer to it in the ModalPopupExtender?Here's my code:

<asp:Button ID="ShowPopup" runat="server" Text="Button"/><uc1:MyControl ID="MyControl1" runat="server" /><cc1:ModalPopupExtender ID="ModalPopupExtender1" runat="server" TargetControlID="ShowPopup" PopupControlID="MyControl1" OkControlID="MyControl1.OK" CancelControlID="MyControl1.Cancel" BackgroundCssClass="modalBackground"/>

I have made OK and Cancel public property inside my user control which return the corresponding button, but ti still does not work.


AJAX :: Using Modalpopupextender With Web User Control?

Dec 07, 2009 10:02 AM

I want to show a modal popup when the record is inserted successfully, and i want to show this message on multiple pages, So i thought of creating a 'Web-user control'.But i am not sure, how to use this control with Modalpop up( How should i give Ok control ID , Cancel control id)


and my Modal popup code is:


Error Is :

Microsoft JScript runtime error: Sys.ArgumentNullException: Value cannot be null.
Parameter name: element

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AJAX :: Using Modalpopupextender Within A Custom User Control?

Jun 30, 2010 11:13 PM

I have a modalpopupextender inside a custom user control and when the user clicks on a imagebutton in the custom user control, this modalpopup has to be displayed to the user for inputs. The problem that I am facing is that nothhing is getting displyed even after clicking the image button.

i am using master pages and this custom user control is being added dynamically to one of the child pages. I have added the scriptmanager as a part of the child page rather than as a part of the user control because there are multiple custom user controls present in this page.

Lemme go to the code:

This is the snippet present in the custom user control:


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AJAX :: How To Find Panel Id In Web User Control And Apply It For PopupDragHandleControlID In ModalPopupExtender

Feb 17, 2010 06:24 PM

Iam new to Ajax Asp.Net

Iam facing a problem in ModalPopupExtender, i have made a usercontrol to show a popup frame and made popheader for dragging the header. but iam unable to find the panel id for PopupDragHandleControlID. can anyone tell me how to do. user control


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.net - ModalPopupExtender Displays A Black Box When It Contains A User Control?

Jan 28 10 at 6:51

m using the Ajax Control Toolkit's ModalPopupExtender. It works great but when I add a user control to the panel it is set to display, the modal popup is displayed with a black box over it.This is how it looks like:Is anyone familiar with the problem? Is there a workaround?

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AJAX :: Open A ModalPopupExtender When The User Clicks?

Dec 22, 2009 11:18 PM

I am using ASP.NET MVC 1.0 and have a MvcContrib Grid. I have Edit and Detlete buttons to grid and the deletes the row in the grid and Edit takes you to a new page to update and once user clicks on update button the user will be routed back to the grid with the updated data (So its common functionality as of here)My Question I want to Open a ModalPopupExtender when the user clicks on EDIT on the grid and popupate with the corresponding data.

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AJAX :: Display A Modalpopupextender When User Clicks On The Link?

Feb 13, 2011 09:13 AM


I want to display a Modalpopupextender when user clicks on the link, but the above code does not work, it does not give an erorr but does not work too.

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Web Forms :: Prevent A Postback From A Button In User Control Inside A Modalpopupextender

Apr 12, 2010 10:33 AM

HOW can I prevent a postback from a button in user control inside a modalpopupextender, so that the modalpopupextender doesn't close?

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AJAX :: ModalPopupExtender Control?

Nov 30, 2010 12:51 AM

I am developing a web portal under ASP.Net 4 and using Ajax and masterpage. I created a user control to select a data from a gridview and put it in a textbox, for that use the ModalPopupExtender control. Everything works fine as can be seen in this photo:


But after much control to use the ModalPopupExtender starts to appear behind the form and to return to appear before touching refresh the page or press the button repeatedly calling him. In the next picture you can see what it looks behind the popup form:


Si alguien me puede echar una mano para evitar esta situación se lo agradecería mucho.

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AJAX :: ModalPopUpExtender - When The User Clicks The Link Button It Calls The Popup?

May 20, 2010 11:04 AM

when I was trying to set this ModalPopUpExtender i was using a btn1 as the targetCOntrolID. btn1 is no longer used and i want to remove it from the page, but dont know what to do about the TargetControlID.

ASP Code [Code]....

VB Code Behind

There is a gridview on the page and when the user clicks the link button it calls the popup..

How can I remove btn1 and the ModalPopUpExtender still work ?

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AJAX :: UpdatePanel And ModalPopupExtender Control?

Oct 31, 2006 03:17 PM

For my error messages I'm using a ModalPopupExtender with a red background to show the user has done something wrong. If for example the user types in a bad username/password combination, it does a postback and after that it shows me the ModalPopup.

But I want to use the UpdatePanel control of course to make it more smooth, nicer and application alike.

When I put the ModalPopupExtender and Panel (both are on my masterpage) in an UpdatePanel like this:

<ajax:UpdatePanel id="myUpdatePanel" runat="server">
<toolkit:ModalPopupExtender ID="errorModalPopup"
<asp:Panel ID="ErrorPanel" runat="server" CssClass="ErrorPanelSettingsClass" Style='display:none' DefaultButton='btnApply'>
<asp:Label ID="lblErrorMessage" runat="server"></asp:Label><br />
<asp:ImageButton ID="btnApply" ImageUrl="~/Images/icons/apply.png" runat="server" CssClass="ApplyButton" />
<div style='display: none'>
<asp:Button ID="btnHidden" runat="server" />

When I now put my Login Control on my Login.aspx page also into an UpdatePanel, it doens't work as expected. When I click the Login button, nothing happens..

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AJAX :: Modalpopupextender Control Does Not Exist?

Mar 01, 2011 02:53 PM

I've been running through tutorials and can not get my modal popup box to work. Almost all examples show to call the modalpopupextender by the control id in the code behind as say:


...yet can not compile due to ModalPopupExtender1 does not exist in current context?

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Web Forms :: Modalpopupextender, Control Ajax In Asp?

Jan 26, 2010 11:34 AM

I need to integrate bucks buttons modalpopuextender ajax controls, anyone know where i can locate this information , there are four, the former is entering the second search, the third change and remove the four, each with a modalpopup and when there will deve block is the parent page,

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AJAX :: Login Control In ModalPopupExtender?

Nov 16, 2010 08:26 AM

ctually the problem is that i have a login control in modalpopup. It works fine on entering correct user name and password. but the problem is that if the user name or password is wrong then it disappears. What i want at this point is that it should redirect to my custom error page on entering wrong credentials. have spend one complete week to solve this issue but is unable to solve it.

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AJAX :: ModalPopupExtender And The OnLoad Event / Get A Popup To Display When The User Loads Webpage

Nov 21, 2009 04:23 PM

I am trying to get a popup to display when the user loads my web page. I want them to see the panel without having to prompt them to click a link or a button.

How can I display my panel without using the button event. There is some html code with buttons that I have omitted here

Below is the code

Inherits="RealSolutions.ModalPopup" %>@
TagPrefix="cc1" %>..........

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AJAX :: ModalPopupExtender / Datalist Original Image Come In Modalpopupextender After Click

Apr 14, 2010 09:50 AM

I have a DataList that contains some Thumbnail Image(Image Button).

Now I want when i click on any Item in datalist the original image come in modalpopupextender.

How I can do this?

<ItemTemplate> <table
ImageUrl='<%# Eval("Img_URL") %>'
</table> <br
my panel that shows as modalpopu

Now where I can to write code that when i click on item in datalist Original Image show in modal popup extender?

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AJAX :: CalendarExtender Control Getting Displayed Behind ModalPopupExtender?

Dec 23, 2009 02:36 PM

I am trying to show CalendarExtender on ModalPopupExtender but when I click on textbox to which CalendarExtender control is attached..... it is getting displayed behind ModalPopupExtender. Upon doing some research with firebug I find out that asp.net assigns a very high z-index value (100004) to div (asp.net interprets ModalPopupExtender into a div) so that it always comes on top. When I am clicking inside the textbox to display calendar control......ASP.net AJAX is creating the calendar control dynamically and it is getting created outside of the div of modalpopup and that too with a value low value of z-index i.e. 1000, I think that is why it is coming below modalpopup.

I tried on both IE6 and IE8 also but it is not coming correctly.

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AJAX :: ModalPopupExtender Displaying Behind A Listview Control ?

May 18, 2010 01:40 PM

I have a web form with a modalpopupextender and a listView control that opens for editing and adding records. One of the columns on the listview is a linkbutton that makes a serve side call to show the modaldialpopupextender. At first, when clicking on the linkbutton in the listview the modalpopup displays over the listview, the page fades (via a CSS class) and it works great. When I open and close the listview for editing or change pages on the listview, and then try to show the modalpopup via the linkbutton, the modalpopup displays under the listview and the fading does not work properly. I am not too sure if this is a postback/javascript issue or maybe CSS?

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AJAX :: Edit ModalPopupExtender In Gridview Control?

Feb 24, 2011 05:37 AM

I have created ObjectDataSource control which is bind with the GridView control (In few cases with DetailsView control) as well as I have created new column "Edit" in gridviw with Linkbutton.

Now whenever user clicks on linkbutton it shows ModalPopupExtender with edit fields for that particular selected gridview row.

My problem is that I want to show only few columns in gridview (eg- EmpID, EmpName) and want to edit all columns in modalpopupextender (eg- EmpName, City, State, Pincode etc).

So how can I show all the fields in modalpopupextender to edit becouse when I am reading fields from GridViewRow not able to get the hidden fields which is not included as columns in gridview?

Somehow can I read fields values from ObjectDataSource?

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AJAX :: Error Creating Control - ModalPopupExtender?

Feb 25, 2011 07:04 PM

How do i post html markup? instead of it showing as the controls that dont show on MY PAGE! I took the code directly from the sample website, i am not useing a master page so made a few changes. I cant figure what i missed i am guessing something to do with the commonpage that the page inherits from in the sample site or the fact that it had a masterpage and i didnt clean it up enough

ModalPopup Demonstration

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AJAX :: Calendar Control Does Not Display Properly In ModalPopUpExtender

Nov 02, 2008 06:37 PM

I am having a problem getting the ajax calendar control to display correctly when it is being called from a detailsview's edit item template within a modal popup extender. It does display but the graphics are missing i.e. it only displays the numbers. Has anyone had this problem in this scenario.

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AJAX :: Dynamic ModalPopupExtender Within A Custom Server Control?

Sep 13, 2010 09:32 AM

have this piece of code which paint an ImageButton and show a dynamic ModalPopupExtender (with 2 buttons btnGuardar and btCancel).

The issue is neither btGuardar.Click nor btHidden.Click events are raised but ImageButton Click event is raised correctly.


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AJAX :: ModalPopupExtender -- Fetch Data In Modalpopupextender

Apr 07, 2010 09:43 PM

I would really appreciate if someone can find out what's wrong with this code.

Here is my question. I have textboxes in a modal popup extender (City, state, zip) and there is an image button search for searching the address from the database. All this functionality is within a control (.ascx file). This control is added to the page where it needs to be displayed and is being displayed when a user click the Address button (the code for it is not shown here). The method ShowAddressSearch() in the control is being called from the page and it displays the popup.

When the user enters any of the 3 values and hits search a server event is fired up and the result should be displayed in a grid. What is happening is, when the user hits the search button the server call is made and the data fetched from the db but the modal popup closes itself here is the code for this. I would really appreciate if someone can find out where and how popup is getting closed.


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AJAX :: Installing / Using Ajaxtoolkit - Can't See Control Like Maskeditor - ModalPopupExtender When Open

Apr 14, 2009 02:06 PM

I have downloaded ASPAJAXExtSetup.msi and installed it. Now when I open VS2005 and create a new Ajax Enabled web site, i can't see any control like maskeditor, ModalPopupExtender etc. in toolbox. Neither typing <Ajax: works in aspx page.

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AJAX :: Can't Find ModalPopupExtender Panel's Control In Edit Gridviewmode

Dec 08, 2010 06:56 PM

I need to select my field data using a 3 step drownlist process (shown in the following screenshot):

But I can't find a way to get the Model SelectedValue and SelectedItem when Select is clicked. After it's selected it has to be filled in the Autofield on the background, and when close is pressed the original value has to be reloaded.

This is my ASP Code:


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AJAX :: ConfirmButtonExtender And ModalPopupExtender Server Control With Master Page Failed To Find Element

Sep 24, 2010 07:36 PM

I am in the process of building a server control that contains a ConfirmButtonExtender. This is my code:

The Master Page:


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AJAX :: ModalPopUpExtender Inside ModalPopUpExtender

Sep 03, 2010 03:12 PM

I have a modal popup extender with one control (ascx) this control has a label that on onclic method call other popup extender.

It's has other ascx, it's has a button for a search. When I do Click in this button in first time, the event click not fired and there are a javascript error that say "this._activeDRagVisual is null reference".

In the other hand, If a use de second popup inside an asp page the event and control work correctly. The problem is with the popup inside popup.

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State Management :: Update Panel Inside User Control Inside Modalpopupextender?

Apr 09, 2010 04:31 PM

I've created a multiple uploadfile user control - upload_multiple_files.ascx:


which has an update panel ID = up_upload_multiple_files this user control will be placed inside a modalpopupextender. My question is when I click in any button AddFile, RemvFile, Upload there's a postback so the page is reloaded and the modalpopupextender disapears Is there a way to to troubleshoot this?

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AJAX :: Access User Control Methods From Within User Control Itself Using .net ?

Nov 01, 2009 10:51 PM

This is my first post here so i appologize if i posted in wrong forum or have asked question that has been allready answered (i did tried to search similar topics but still no luck).I have major headache regarding user controls and user control methods. My problem is simple to explain :

I have user control that displays comments, and next to every comment there are 2 options : to "hide" or "delete" specific comment. The problem is that i dont have any idea how can i call method within user control.

<System.Web.Services.WebMethod(BufferResponse:=True)> Public Shared Function RemoveComment(ByVal intID As Integer) As String
' code to remove comment from the database
End Function[code]...

So basically, i dont want to access page methods - i just want to access control's methods from within the control itself using ajax, is there way to do this ? I would appretiate any help, including links to the tutorials or basics regarding my problem.

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AJAX :: Avoid User To Rate, Once The User Has Rated In Rating Control?

Dec 24, 2009 08:05 AM

i have Ajax rating control in my form, what i want once the user has clicked on the rating control, the user should not able to rate again at the same time

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Server Controls In User Control Are Null When User Control Serves As A Base User Control ?

Jun 4 10 at 16:32

I don't think I understand fully how ASP.NET does inheritance of controls.I have a user control, ucBase, which has an asp.net label in the ascx file. Code behind references the label and it works fine during run time if the control is not a parent for another user parent.

If I have another user control, ucChild, inheriting from ucBase, the label in ucBase's code is always null. ucChild has no controls in its ascx fileThe server controls (like the label) needs to be declared in the ascx file and not created programmatically.What needs to be done for ucBase to see its own controls when it's a parent user control?

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AJAX :: How To Get An Array Of All The Textbox Control Inside Create User Wizard Control

Aug 10, 2010 07:20 PM

How can I get all the textboxes inside a create user wizard control using getElementsByTagName().

Below is my JQuery code:


The above code isn't displaying hint text when the textbox retreives focus.

I think there is something wrong with this getElementsByTagName("asp:TextBox"); , I have also tried getElementsByTagName("TextBox"); , getElementsByTagName(":textbox"); and getElementsByTagName("input"); .

But no one of them gets the textboxes array.

Can anyone tell what will be the correct syntax for getting all the textboxes inside a create user wizard control using getElementsByTagName()?

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AJAX :: User Controls And Control Extenders / Rendering A SPAN As An Element To Surround The Control?

Aug 24, 2010 08:33 PM

Two separate questions, but sufficiently intertwined that I'm going to try the two together....

Firstly - User Controls and Behaviours

I have a User Control which contains a few visual controls. I am attaching some behaviours by using GetScriptDescriptors and am passing some JavaScript to the browser using GetScriptReferences. That is all rock solid and working well. However, when developing, I did discover that I couldn't attach the ehaviours to the User Control itself - not surprising as rendering a User Control does not create a DOM element which represents the actual control. So, I have attached my behaviours to a "random" TextBox within the User Control.

So - first question, is there a better way to do that? For example, should I always be rendering a SPAN as an element to surround the control? Not sure what that would do to the robustness of the rendering. What is the right way to attach a behaviour to a User Control.

Secondly - Accessing those same Behaviours later

Assume I have placed a User Control on the page. That User Control exposes a Property (actually a Javascript Function of course) which does "something" to the control - for the sake of example we'll say that the function is set_Border(colour). I then have a behaviour on the same page (actually an Extender on a different control) which needs to call the function. I have a reference to the User Control in my script, so I have tried TheControlReference.set_Border('red') and find that my control doesn't support the set_Border method.

I guess this is probably because the behaviours are not attached to the User Control itself, but to a GUI element within it. Hence, I suspect that the answer to the second question lies within the answer to the first.

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AJAX :: Web User Control Loaded Into PlaceHolder Control Causing Full Postback On Parent Page?

Jun 01, 2010 09:29 PM

In my default.aspx page I have a PlaceHolder control within an UpdatePanel. In this placeholder control I will dynamically load a web user control, which is just a form with a submit button. On this user control, I have the form within an update panel and I have the "Submit" button's Click Event added to the triggers.

When I submit the form, the UpdatePanel on the web user control nor the update panel on the default.aspx page are capturing the post back, thus causing a full post back which refreshes my page.

how to capture this post so its rendered in Ajax and not a full post back?

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AJAX :: How To Update Progress Control Placed In A User Control Not Working

Dec 08, 2009 06:33 PM

I made a user control with a search facility.It contains a textbox ,a search button and a gridview to display the results.I put an update progress control in this user control so that it will convey the "loading" feeling to the user.But it is not working.Is it forbidden to place the update progress control within a webuser control?

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AJAX :: Rating Control: Multiple Instances Of User Control With Rating Control Inside Errors On Page

Aug 07, 2006 03:00 PM

The Rating control errors when you use it within a user control that you have multiple instances of on the same page.

Assertion Failed: Duplicate use of id "Rating1_RatingProperties" for object of type "AtlasControlToolkit.RatingBehavior".

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AJAX :: How To Find A Control Which Is Specific To The User Control

Dec 01, 2009 03:32 PM

I have created a user control where i implemented "ModalPopupExtender",which works fine when implement statically(drag and drop control on page).But am calling user control dynamically(Codebehind) and my page can have multiple instances of same user control.My question is how to find a control which is specific to the user control.

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AJAX :: Auto Complete Control In User Control?

Oct 04, 2010 10:59 PM

I have inplemented the auto complete extender in a web form (with a static method)..works fine.

Now I have moved the functionality into a user control and the auto complete extender is not working.

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AJAX :: Pass A Control ID To User Control?

Sep 02, 2010 06:24 AM

i am trying to make a pop-up messsage box, using popupControlExtender. Such extender will be inside a web user control but the target control will be outside the user control instead. Could anyone tell me how i can do it ?

my user Control : UCPopUp.ascx

<asp:Panel ID="pnlPopUp" runat="server" style="display:none" >
<div class="clsPopUp" >
<asp:Literal ID="lblPopUp" runat="server" Text="Pop up Message." />


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AJAX :: How To Use ModalPopupExtender In UpdatePanel

Feb 05, 2010 12:13 PM

I try I cannot seem to find a satisfactory solution. As far as I can tell from the documentation a ModalPopupExtender should be able to reside inside an UpdatePanel. However, I simply cannot get it to work.After the first refresh of the UpdatePanel I get errors of various kinds depending on what I've tried.

What I'm trying to accomplish is having a button inside an UpdatePanel which launches a popup. Another button inside the UpdatePanel causes a partial postback. And finally a button within the popup has to cause a partial postback. I have tried at least five different approaches to this problem and finally I gave up and went with a very inelegant solution. I don't think my requirements are all that strange, am I doing something wrong?

First I tried this:


This works fine until after the first postback when the Cancel-button (Button4) starts causing synchronous postbacks and the textbox starts to fill up with commas. I also tried the same as above but placing an UpdatePanel within Panel4 (the popup) - no go. Then I tried causing the postbacks in javascript launched from the ModalPopupExtender's OnOkScript - still it starts failing. I tried another couple of attempts
all of which failed. Finally I decided to move the ModalPopupExtender outside the UpdatePanel, add dummy buttons and a bit of javascript to launch and hide the popup. Although this satisfies my UI requirements it just plain wrong from a design perspective and it annoys me that I could not get the extender to work inside an UpdatePanel. Has anyone succeded with placing a ModalPopupExtender in an UpdatePanel with the requirements I stated above? Or should it be added to the list of controls that's just not compatible with the UpdatePanel?

this is my final solution:


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