Adding WebUserControl To Gridview In C#?

Nov 4, 2010

I want to add a webusercontol which contains a textbox and a label to the gridview control. I am binding a gridview with a datatable dynamically.

Here is my code:

@ Register Src="CompareBox.ascx" TagName="CompareBox" TagPrefix="objCompareBox" %><br>
<asp:GridView ID="grdfoneBoxContainer" runat="server">
<Columns><br>
<asp:TemplateField HeaderText="User control"> <br>
<ItemTemplate><br>
<objCompareBox:CompareBox ID="CompareBoxCol1" runat="server"/><br>.......

txt & lbl are two properties that are declared in WebUserControl but it's giving object reference error .



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Forms Data Controls :: Paging In A GridView WebUserControl?

Jan 24, 2011

i am create GridView in WebUserControl and and set the AllowPaging="True"din my page is running but the number of page GridView when chose nuber page 1 or 2 or 3the link java

javascript:__doPostBack('ctl00$MainContent$view2$GridView1','Page$5')
why 'ctl00$MainContent$
I
think
the correct sentences
javascript:__doPostBack('GridView1','Page$5')
Server Error in '/' Application.

The GridView 'GridView1' fired event PageIndexChanging which wasn't handled.Description:An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.Exception Details:System.Web.HttpException: The GridView 'GridView1' fired event PageIndexChanging which wasn't handled.Source Error:

[Code]....

Stack Trace:

[Code]....

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Reusable WebUserControl?

Feb 12, 2010

Could someone give me a small example how i can make reusable WebUserControl (.ascx) file.Basically i need to make a employee lookup utility where users enters employee id to get Emplyee information.Once the Emplyee information is available, it is used in various data entry tasks by the page that includes the control.

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C# - GetType() With WebUserControl Not Working

Feb 9, 2011

In the project I have some custom WebUserControls for form elements (they encapsulate some standard validators and other system specific functions). My user controls are "DropDownListField" and "TextBoxField". In the code behind of a page I have this code:

string parameterValue = null;
foreach (object control in myMultiView.Views[myMultiView.ActiveViewIndex].Controls)
{
if (control.GetType() == typeof(DropDownListField))
parameterValue = ((DropDownListField)control).Value;
if (control.GetType() == typeof(TextBoxField))
parameterValue = ((TextBoxField)control).Value;
}

For some reason the "if" statements always return false even when I step through the code and see that "control" is getting assigned my web user control. This code is in another place in the project exactly the same except in the other location the standard .net controls "TextBox" and "DropDownList" are used and in the other location the code works. why this wouldn't work with web user controls?

UPDATE: Hmm so in debugging I found this:

?control.GetType();
BaseType: {Name = "DropDownListField" FullName = "WebUI.UserControls.Fields.DropDownListField"}
?typeof(DropDownListField);
BaseType: {Name = "UserControl" FullName = "System.Web.UI.UserControl"}

So typeof is just recognizing they are user controls not the full type it seems. how I would check for a specific user control type?

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Display Alert In Webusercontrol?

Apr 16, 2009

I tried following two coeds

string popupScript = "alert('Already Exists!!!')";
ScriptManager.RegisterClientScriptBlock(UpdatePanel2, UpdatePanel2.GetType(), "clientScript", popupScript, true);

[code]...

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Web Forms :: Use .jsfile In Webusercontrol?

Sep 25, 2010

i have one webusercontrol in this i have 6-textboxes i want to write jscript validation for this.... how can i achive it.

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Load Webusercontrol On Asp.asx Page?

Sep 25, 2009

i am trying to load my own webusercontrol but so far i can't figure out how to do it right. i can add standard controls like a textbox but my own control don't show on panel

here is my Code

[Code]....

[Code]....

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Web Forms :: How To Insert Webusercontrol In Table

Jul 23, 2010

Can anyone tell me how we can insert webusercontrol in Table?

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Web Forms :: Event Not Fired In WebUserControl?

Feb 11, 2010

I have parent page which loads child control which in turn contains DataGrid with template field and button has associated Click() event with it. Problem is that Click() event is not actually called at all. Sample code is below.

UserControl [Code]....
Parent Page
[Code]....

I put debugger into LinkButton1_Click event of user control but it never goes there.

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AJAX :: How To Dynamically Add ScriptManager To A WebUserControl

Feb 9, 2010

I had this problem: I created a WebUserControl that used som Ajax stuff - hence it needed a ScriptManager.

The problem was that I couldn't add it to the WebUserControls html code (the .ascx file) since the WebUserControl sometimes was placed into a parent page that already had a ScriptManager, and I couldn't add a ScriptManagerProxy since the parent page sometimes didn't had a ScriptManager.

Alot of people just use a ScriptManager on the MasterPage, but this fails if: one doesn't use a MasterPage or one uses iFrames etc. that uses stand alone aspx pages, like Thickbox might do...

Here's the solution:

in the WebUserControls code behind (.cs file), put this:

protected override void OnInit(EventArgs e)

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AJAX :: How To Add WebUserControl As Triggers In Updatepanel

May 25, 2010

i was made 'webusercontrol'

and i use this:

event 'msgok' :when btnOk clicked
event ''msgcancel' : when btnCnl clicked
sub 'show' : show this dailog

problem : when i add my 'webusercontrol' to a page,

i can add events(msgok,msgcancel) to page codebehind,

but i cant add this to updatepanel tiggers.

make update panel able to add my 'webusercontrol' events ??

webusercontrol code:

[Code]....

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C# - Cannot Get The Name Of The Webusercontrol In The Intellisense, Although Have Added Reference?

Feb 1, 2011

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<%@ Reference Control = "CHEADER.ascx" Page="~/Default.aspx" %>
<%@ Reference Control = "CLEFT_NAVIGATION.ascx" %>
<%@ Reference Control = "CCOPYRIGHT.ascx" %>
<%@ Reference Control = "CBOTTOM_NAVIGATION.ascx" %>
<%@ Reference Control = "CPAGE0001.ascx" %>
<%@ Reference Control = "CPAGE0002.ascx" %>
<%@ Reference Control = "CPAGE0003.ascx" %>
[code]...
none of the usercontrols appear thats is if i replace "WebUserControl1" by name CHEADER it says CHEADER? what is that!!asp.net c# vsts2008

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Access C# Function In Javascript, Both Are In Webusercontrol?

Apr 15, 2010

I am trying to create a chat application like Facebook

My chat windows are in the footer control of the website, and C# code also in footer's CS file, i need to call C# function from footer CS file into javascript included in my footer.aspx file,

i have tried it by ICallbackEventHandler, but WebForm_DoCallback(this,arg,RecieveMessage,"",null,false); simply postback my current page, but i need to postback footer.aspx only and call "public void RaiseCallbackEvent(String eventArgument)".

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Finding And Accessing Elements Of A WebUserControl?

Mar 3, 2010

I am creating a WebUserControl in ASP.net and want to be able to access elements of that control later. When I access them though I am trying to access them together. For example, adding a CheckBox and a table to a control and then finding the CheckBox, checking whether it has been ticked and if it has been ticked, get the values from the TextBoxes.

I currently have everything loading on the page from the custom controls, but when iterating through the controls on the page, there doesn't appear to be a control of my WebUserControl type. All of the controls are there on the page, but they exist as seperate ASP.net controls.

Am I thinking about this wrong? Is there a better way to do this?

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Web Forms :: Controlling One WebUserControl From Another On The Same Page?

Oct 29, 2009

I have a page page1.aspx that consists of 2 user controls. Lets say wuc1 and wuc2.

wuc1 contains a button. On the click of the button on wuc1, I need to hide (set visibility) wuc2.

I've tried Page.parent.findcontrol but in vain.

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Putting Focus On A Field In A Webusercontrol?

Mar 29, 2010

I have a textbox on a webusercontrol thats on a webusercontrol thats on a webusercontrol thats on a page.

I tried using the javascript below but it cant find the control.

<asp:Content ID="Content1" ContentPlaceHolderID="CustomerContentPlaceHolder" Runat="Server">
<SCRIPT language=javascript>
var control =
alert(control)
if( control != null ){control.focus();}
</SCRIPT>

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MVC :: Regular WebForm/WebUserControl And DataBinding?

Oct 7, 2009

Beside the MVC Views I added a regular WebForm (derived from ViewPage) and a WebUserControl (derived from ViewUserControl) (ASP.NET3.5SP1) to my MVC 2 (Preview 1) web application.I also added the following to the controller:

public
ActionResult ShowWebForm()
{
return
this.View("WebForm1");
}

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Web Forms :: Page_load Of Webusercontrol Called Twice?

May 5, 2010

I have a page, which load a tab with usercontrol this usercontrol inturn loads an another usercontrol that has treeview. Issue: On (!Postback) of treeview control page_load, this load is gettting called twice. it is not callign the page_load of page but just the control page_load twice.

Tried: changed autoevenwireup from false to true, true to false (no change) Add/Remove of EnableViewState="true" ViewStateMode="Inherit" doesn't make any difference.

but if i add another usercontrolB and load that instead of this controlA, the ControlA still gets called on page_load once and ControlB also once.

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Web Forms :: Load WebUserControl Via Token?

Oct 26, 2009

I'm trying to make this code work to replace the token with a UserControl (ascx) but I have no clue how to make it work. It seems I can only pass a string to replace the token.

[Code]....

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C# - Asyncfileupload Doesn't Work In Webusercontrol?

Aug 27, 2010

I'm having a problem with a Webusercontrol that has an asyncfileupload control. My websusercontrol is being loaded in a placeholder control that's wrapped by an updatepanel.Due to asyncpostback, I have to load and clear the placeholder's controls.

The webusercontrol works flawlessly, except the asyncfileupload, which doesn't want to upload at all. I can assure that the code is without error, because I used to have the webusercontrol running as an *.aspx site. control has to be cleared and reloaded with every asyncpostback ?

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Passing A Value To WebUserControl For Show In A Lable?

Dec 9, 2010

i have a WebUserControl that have a lable for show message how can i send a value to the lable from Page to my WebUserControl at runtime.

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How To Apply Stylesheet To Labels In Webusercontrol Page

May 13, 2009

I am adding style sheets in my project . I have created a style for labels.

I linked it to my web page and used. Now the problem is for the first page load , my style sheet attributes are applying. If i select some option in the page and submit , the styles of labels are changing.

[Code]...

how to apply stylesheet to labels in webusercontrol page.

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Web Forms :: Get Top And Left Of Image Via Javascript In A Webusercontrol?

Dec 1, 2009

I have an asp:image in a webusercontrol. Now I try to move an imagebutton onto it. Therefore I need the starting position (left,top of image) for the imagebutton movement. I dragged the Webusercontrol into a table on an aspx page and tried:

image.style.top + left (both return empty string)
image.offsetTop + image.offsetLeft (both return 0)
image.clientTop + image.clientLeft (both return 1)

Encapsulating it in a div or table also wasn't successful. I can not get the relative left and top of the image. All references that are returned seem to point relative to the webusercontrol though in html it is not really rendered as tag..

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Register WebUserControl's On The Web.config File For Sub-app Folder

Jan 5, 2010

I seem to be having a problem with my visual studio 2005/2008 installation or something because it isn't providing any IntelliSense whatsoever for controls registered on web.config files in folders different from the root, but it isn't showing any errors neither. Is this behavior normal?

I have access only to the folder of my sub-app, so I can't modify the root's web.config file. Well I COULD, but I'm NOT allowed to.

What I'm trying is to register some WebUserControl's on the web.config file for sub-app folder, so all the pages in my sub-app can use the WebUserControl's without having to register them on every page, but I'm not getting IntelliSense for those controls registered on the web.config file on my sub-app folder, but I do get IntelliSense if I register them on the root's web.config file. IntelliSense for everything else appears to be working fine.

In the web.config file on my sub-app folder I have something like the following:

[code]....

am I doing something wrong?

Update Now I have upgraded to VS2008 SP1 and the issue persist

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Custom Server Controls :: Retaining Value In Webusercontrol

Apr 20, 2010

I need to make a dropdownlist webusercontrol that shows a list of years. The control needs to be flexible enough so that I can tell it show X number of years before and after this year. So if I said show 2 years before after this year the dropdownlist would show 2008, 2009, 2010, 2011 & 2012. In the past I've stored the "X years" for later use by exposing a property and then storing the value in a hidden field. EG:

[Code]....

I want to store the "X years" values that I send to the control the first time - so not a value that I send in a postback. Is there a better way than using a hidden field?

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Calling Jquery Ajax Method From WebUserControl?

Mar 20, 2011

I am using asp.net3.5 C# with Jquery

I have created a webUserControl timer.ascx, I have a page showTime.aspx I have added timer.ascx into ShowTime.aspx on drodown change I want to display the current time.

but I am getting this error

This type of page is not served. Description: The type of page you have requested is not served because it has been explicitly forbidden.

[Code]....

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AJAX :: MultiSliderExtender As WebUserControl Causes Javascript Errors?

Feb 17, 2010

I started to use the MultiSliderExtender and wanted to create a WebUserControl with it But every time I add more then one slider I'm getting Javavascript erros

Heres the Code of ASP page:

[Code]....

Heres the Code of the WebUserControl:

[Code]....

When the page Opens a JS Error occours in some ASP generated JS Code

[Code]....

d contains the ID TextBox2 but somehow the TextBox2 object doesent exists on executing this line resulting in null referenc error. If i put All the Code of my WebUserControl into the ASP Page it works fine

If i remove <MultiHandleSliderTargets> ... </MultiHandleSliderTargets> from the Control no error occours. But i need two Sliders

Adding sliders in Page_Load ended with other Execpetions (AjaxControlToolkit.MultiHandleSliderTarget is not serializable).

So my question is: How to make a this WebUserControl working.

I'm using VS Web Dev Express 08, .Net 3.5, ASP Ajax Kit ver 3.0.30930.0 all on Windows 7

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C# - Access WebUserControl DropDown Selected Value Want To Use On 5 Pages?

Sep 5, 2010

I have a dropdown inside a webusercontrol which I want to use on 5 pages. I want to save the selected value of the dropdown from the page. I tried to access it using below method, but its not working[URL]

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GetFileName From WebUserControl(ascx) Inside WebForm

Feb 25, 2010

how to get the file name from a WebUserControl(ascx) inside in WebForm(aspx) ?

Using VirtualPathUtility.GetFileName(Request.PhysicalPath) or
System.IO.Path.GetFileName(Request.PhysicalPath) i always retrive the
aspx file name.

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CSS Getting Distorted While Using The Custom WebUserControl In An ASPx Page?

Oct 6, 2010

I have a very simple Web UserControl derived from System.Web.UI.UserControl. At Design Time the user control looks perfect in the VS2008 Pane with all CSS styles. When I drag n drop this control on an aspx page, the CSS style gets applied but some texts get hidden and the CSS looks distorted.

I have checked the path of the CSS, UserControl and the ASPx page. All are in the same level under root. The aspx page just contains the UserControl in a FORM tag.

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