Web Forms :: Adding User Controls Dynamically To Aspx Page

May 24, 2010

Adding user controls dynamically to aspx page


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Similar Messages:

Web Forms :: Adding User Controls To A Page Dynamically

Feb 6, 2010

I need to set some attributes on user controls that I'm dynamically adding to a page placeholder. Is this possible?


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Adding User Controls And Display On Default ASPX Page

Apr 7, 2013

Add 2 user controls and display them on your default aspx page. One control will be a simple list of store contact information. The other control will be a featured product control which displays a featured product of your choosing with an image and a description.

So i created a web user control page something like stewiecontrols.ascx

And I want to how to register the page <@control ...... src="" prefix name="" prefix tag="" /> the rest of the code in html <div> ..... </div> tags.

My question is this. I'm creating a master page and the default page is created using master page. So how do I register this .ascx page on default page. Should I register the .ascx page under master page or how. I want the user controls to only be shown on default.aspx page.

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Web Forms :: Dynamically Adding User Controls

Sep 5, 2010

I am new to ASP.NET And I am have THE hardest time understanding how to work with forms in ASP.NET. Here's what I am doing:

Dynamically add User Controls to a PlaceHolder based on some int value (which currently is passed in a HiddenField).Fire an event if the WebControls inside of the User Control change, then handle that event in the Main Page (i.e. save the input to DB)When the user clicks the "Next/Continue" button, the next controls for the next page are loaded. And I guess maybe I just can't seem to get how things work in ASP.NET, because I am really struggling with the general idea of how ASP.NET flows.

Should I be dynamically loading the controls in Page_Init, or Page_Load? Or should I load the controls when the buttonclick event is fired?Do I have to add the axCtrl.OnDataChange += new EventHandler(HandleAxControlDataChange); line on Page_Load? Or should I put this in When I first load the UserControl, I need to initialize some WebControls within the UserContorl. Is there a way to know if I have loaded new user controls into my placeholder? I can't use Page.IsPostback, because after the first page, every page is a postback from the buttonclick.

Here's what I have:


Here's the markup from my ASPX file...


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C# - Dynamically Adding A Custom User Control To A Page?

Nov 3, 2010

I have a usercontrol (ascx) that I want to dynamically add to a page.

Neither the control nor the page has a namespace (thanks crappy vendor).

When I use the following, it tells me it cant find the "type or namespace"

StayTunedControl = (UserControler_StayTuned)LoadControl("~/UserControler/StayTuned.ascx");
StayTunedControl.StayTunedID = Convert.ToInt32(IncludesStayTunedMeta.Value);

After some tweaking to the namespaces, etc, I am now at a point where the 3rd line above generates the following error:

'System.Web.UI.UserControl' does not contain a definition for 'StayTunedID'

I was hoping that casting StayTunedControl as type (UserControler_StayTuned) would fix this.

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Web User Control Dynamically Changed By Aspx Page?

Mar 8, 2010

Im trying to find out how to use the web user control .ascx with the Aspx page..

Yes I do know how to create this and drag it into the aspx page...

But I want to go a step further ,...

I want to use a dropdownlist in the aspx page

Gridview in ascx thats databind in the ascx.vb file

...........then when selecting a value in the dropdownlist (in aspx)....it changes the sql query in the ascx file and show the new data in the user control..

I have tried to look for examples...everything I found was not making sense..poor explained and the codes where all in C#..so when converting it the examples dont even work..

been researching for whole day yesterday...cant find any codes thats working...:(

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Web Forms :: LoadControl Vs New: Does It Make A Difference When Dynamically Adding Web User Controls?

Mar 27, 2010

<% @
tagprefix="uc4" %>

Page_Load(object sender,
EventArgs e)

myControl2 mc = new myControl2();

//is there anything wrong with the preceding way? Why ever use LoadControl?
Control myLC = LoadControl("myControl2.ascx");
//Why ever do it the LoadControl way?

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Forms Data Controls :: Adding Queryextender Expression Dynamically To The Page?

May 12, 2010

I am trying to dynamically add a queryextender expression to the page. something like, when the user clicks a button, we need to add a OrderbyExpression. The following is the code used. It works when added in Page_Load but doesn't when added on a button click event. Upon button click the page just reloads and ignores the filter condition.

OrderByExpression obex = new OrderByExpression();
obex.DataField = "ProductName";
obex.Direction = SortDirection.Descending;
ThenBy tb = new ThenBy();
tb.DataField = "UnitsInStock";
tb.Direction = SortDirection.Ascending;

where queryextender1 is the ID of the queryextender

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.net - Dynamically Aspx Adding To Current Solution Through Code-behind?

Feb 18, 2010

I want to create a Dynamic aspx Page in current solution through code-behind..forexample i have a 2 text-boxes one for page-Title another another for page-Content and a button.. whenever that button is pressed, An aspx Page should be created in current solution and should be included in the current solution

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Dynamic - Dynamically Adding Controls In Page?

Feb 20, 2010

I am adding controls dynamically in my webpage.

I add them in onload method.

everything is working fine..

But I m a bit confused about how it works..

I have read in so many articles that all controls get their values from viewstate before load event. Then how my dynamically added controls get their values when i am adding them in OnLoad event ie after LoadPostData event.

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Visual Studio :: Adding A Server Control On Aspx Page Does Not Add Events In Aspx.designer.vb File?

Oct 5, 2010

I work in VS 2008. Whenver I add a server control(Label) and set it properties in aspx.vb and build the solution, I get the error "Label1 not declared". While analyzing this issue I noticed that the event handler statements for the Label1 where not added in the designer.asp.vb file. These statement would actually be added automatically when I drag and drop a control to my webpage.

I would also like to inform the scenario after which this problem came to me. I was working in VS 2008 , VS 2005 and VS 2003 in the same machine.Could this have caused the issue ?

Now each and everytime when I add a control, I am adding the "With Events" code in the designer page to make my build succesfull which makes me to spend more efforts.

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Web Forms :: Callback Not Working When Dynamically Adding A User Control

Jul 21, 2010

I have a usercontrol that uses a callback to update itself. If I add the control to the aspx page everything works fine. However, when i add the control using Page.LoadControl and Control.Add on a Placeholder i get the following error: "The target 'ctl00$ContentPlaceHolder1$ctl00' for the callback could not be found or did not implement ICallbackEventHandler". I tryed assigning the ID of the control also which failed with the same error. I am using asp.net 2.0.

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Forms Data Controls :: Get Row Status Of DataGrid In User Control Page From ASPX Page?

May 15, 2010

My Question is related to access the rows in one page and putting conditions in another page.I need to check whether a datagrid has row in it or not. DataGrid is in .aspx page. Based on this checking i need to write a condition in .ascx page.the .ascx on which condition is checked is linked to .aspx page. Meaning that UserControl1.ascx is Register with Default.aspx pageI am using VS 2003let me know if any input is needed from my side.

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Pagination - Adding Controls Dynamically To The Page From Web Method?

Feb 11, 2010

I am using jquery ajax method to get data from a web method and present data using DOM(similar to that of google search results).B'coz the data returned from the web method is huge I want to paginate the results.For that I need to create buttons corresponding to the page numbers based on the no. of records the web method retrieves from the database.So I have taken a div on the page.In the web method ,as soon as I can find the number of records obtained from the database,I want to create the buttons and add to this div and display 10 records per page.As far as I know, it is not possible to access anything that is placed on the asp.net page from Web method.In that case how do I paginate the results?

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AJAX :: Dynamically Adding Controls To A Page With An Updatepanel?

Nov 14, 2010

I am dynamically adding controls to a page with an updatepanel. The controls do trigger a post back but their events do not fire.

For example:

LinkButton link =
link.Height = 45;
link.Width = 250;
link.Font.Underline =
link.Font.Bold =
link.ValidationGroup = "NoValidation";
link.Click += new

I have set a break point on the Load_Page and in the EventDoesNotFire method. The Load_Page fires, but it never enters the EverDoesNotFire method.

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Web Forms :: Adding Controls Programatically To A Page From A User Control?

Jan 20, 2010

In a User Control, I need to add a Div to the end of its parent's page. I've done this in a number of ASPX pages, where I put the code to generate the Div and its contents in the page's PreRender event handler, and it works fine. But when I try to do the same thing in the PreRender event handler for the User Control, I get the following error:

The control collection cannot be modified during DataBind, Init, Load, PreRender or Unload phases.How do I accomplish this in a User Control?

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Web Forms :: Adding Meta Tags In ASPX Page Within Master Page

Aug 28, 2012

I need to add Meta tags, description and keywords in aspx page. My aspx pages are in master page and I have already added meta tags and description in my Master Page.

 Now I want add in my other pages also so if someone search my site on GOOGLE it should look like same as this:

[URL] ...

How to achieve this?

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C# - Copying The Whole Layout With Controls From One Aspx Page To Another Page - Moving Controls Dynamically?

Sep 17, 2010

I've a page main.aspx. This page has a button 'Settings'. When it is clicked, I load another aspx page settigns.aspx in a popup. Now in the settings.aspx i allow the users to add controls dynamically. For example the user can create 5 textboxes. When he saves it there, I need to get that controls to main.aspx.

So i need to move all the controls from one page to another page. I'm not able to think of a solution with user controls.

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Web Forms :: Accessing A Controls On A User Control From .aspx Page

Mar 3, 2010

I am working on a page called Edit.aspx and on that page is a User Control.

Note: I need to access the User Control from a button that is on the Edit Page. Once I get a handle of the User Control then I need to access a DataList on that user control and finally I need to get the ID of a dropDownList
on the User Control

This is all the code I have,Goal: From the Edit page I want to drill backwards to the UserControl/DataList/DropDownList

'Geting the user control

Dim ctrl2 As UC_SiteTemplate2 = CType(Page.LoadControl("~/UC/SiteTemplate2.ascx"), UC_SiteTemplate2)

'accessing drop down list from user control

Dim xListNumber1 As DropDownList = New DropDownList()
xListNumber1 = ctrl2.FindControl("DDLOrderList1")

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Web Forms :: Adding "Onkeydown" Event In All HTML Textbox Controls For The Particular .aspx Page?

Feb 24, 2011

I have one .aspx page and have some HTML textbox controls. My requirement is add "onkeydown" event for all textbox controls in commonly for that page or top of that page or use common .js file.

Is there any possible solutions in this requirement?

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Web Forms :: Adding Master Page To The Default.aspx?

Feb 20, 2010

First i had taken Default.aspx Page .after that i added master page to my project.Now i want to include this master page into default.aspx page I was mention master page attribute in Page directive of defult.aspx.

Now problem is i am not able to Get the attribute of <asp:contentplaceholder>.

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Web Forms :: Dynamically Loading User Controls In Tabs In Page?

Apr 17, 2010

I am using ASP.Net 2.0 with Ajax.

I am working on a pretty heavy page in an application and the scenario is:

There is a Tab control in the page, having four tabs. These tabs individually consist of different user controls and other asp controls. Most of these usercontrols in turn consist of other user controls. Every user control contains huge javaScript functions which validate them, populate controls and call web services.

What I am trying to achieve is to load only the Tab and its user controls on the page load and when the user clicks on a specific tab, load its contents (User controls) dynamically. Once that is done, I am setting the tab's postback to false to prevent loading it again once loaded.

I tried to achieve this by making the user controls in the other tabs - visible="false" in the markup and loading them from server side on some specific event. But that causes the javaScript functions in those user controls to give errors ('Object expected') when I go to that tab.

If I set the user controls in the other tabs to visible true, then no matter what; the page life cycle goes to each registered control and loads every subsequent control in that web user control which makes the main page slow (on loading and every postback).

The position of the Tab and the inner user controls is fixed. Although I am taking care that no data is populated unnecessarily on the page and user controls on hidden tabs, I dont want the tabs to get loaded altogether unless requested. If I load them on runtime, their corresponding javaScripts start giving errors.. note that I am not generating the controls on runtime, they exist in the page design. I just dont want to load them dynamically

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Web Forms :: How To Get User Controls(ascx) Fields In Normal Page (aspx)

May 19, 2010

how to get asp.net user controls(ascx) fields in normal asp.net page (aspx)

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Web Forms :: Adding Button & OnClick Function In Aspx.cs Page Not Working

Oct 30, 2010

public void addComment(object sender, ImageClickEventArgs e)

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Web Forms :: HTML Input Tag Is Adding 2 Times While Saving The Aspx.page

Dec 9, 2010

I have 1 aspx page.In that i am using Developer Express controls also. If i do some changes in that page and trying to save, only the HTML input tags are repeating 2 times.

<dx:TabPage Text="Guarantor"> --using Devxpress tab control here
<ActiveTabStyle BackColor="#FF8888">
<TabStyle BackColor="#F2F7FA">
<dx:ContentControl ID="ContentControl2" runat="server" SupportsDisabledAttribute="True">
<table style="width: 883px" border="2">
<td bgcolor="WhiteSmoke">
<asp:Label ID="lblPrefix" runat="server" Text="Prefix" CssClass="label"></asp:Label>
<td bgcolor="WhiteSmoke">
<asp:DropDownList ID="ddlPrefix" runat="server" Height="21px"
<td bgcolor="WhiteSmoke">
<asp:Label ID="lblSSN" runat="server" CssClass="label" Text="SSN"></asp:Label>
<td bgcolor="WhiteSmoke">
<input type="text" id="txtSSN" runat="server" onkeydown="ssn(this.id)" onkeyup="ssn(this.id)" />
<input id="txtSSN" runat="server" onkeyup="ssn(this.id)" /> --2nd time appear here
<td bgcolor="WhiteSmoke">
<asp:Label ID="lblGender" runat="server" CssClass="label" Text="Gender"></asp:Label>
<td width="147" bgcolor="WhiteSmoke">
<asp:DropDownList ID="ddlGender" runat="server" Height="21px"

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