Custom Server Controls :: How To Properly Indent A Custom Server

Feb 13, 2010

I am creating a custom server control (derived from WebControl).

In RenderContents(HtmlTextWriter), I must use HtmlTextWriter.Indent to manipulate indentations.

Unfortunately, this property always starts with zero so it breaks the indentation from the host/parent control.

My question is, how to know the last indent value of the parent tag that contains my custom server control?

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Custom Server Controls :: Why Custom Gridview Control Not Render HTML Properties Under Properly In Visual Studio 2005

Mar 5, 2010

Why custom Gridview control not render html properlies under <Columns> properly in Visual Studio 2005?

For example:

[code]....

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Custom Server Controls :: Custom Tag Not Found For Control / Error: Unknown Server Tag 'custom:AjaxValidator'

Jan 3, 2011

Hope this is the correct forum for this question. I am using VWD 2010 an have a web project and get the following error upon execution:

Parser Error Message: Unknown server tag 'custom:AjaxValidator'.

My code is as follows in the .cs file:

[Code]....
[Code]....

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Custom Server Controls :: Video Tutorial Link For Composite And Rendered Custom Server Control?

Aug 20, 2010

i am new to technology so go easy on this post according to what i read from web there are 3 type of custom server controls 1 superclass2 composite 3 renderedi found video tutorial for superclass custom server control but couldnt find video tutials for other 2.lease forward me link for composite and rendered custom server controls video tutorial

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Custom Server Controls :: Custom Server Control Rendering Method In Multiple Class?

May 17, 2010

I am creating custom server control. I have two classes in project. One is main class that render control and another will be used to render content based on condition.I just want to know how to render content from other classes in main class.For example. This isjust an example.My main class code

[Code]....

My TopLeftPane class

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My page code on page load event

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When I run the page, Header title always getting null. This is a just sample code. I will have more than 20 classes so I dont want to write a code in main class to render whole control.I hope all of you understand my problem.

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Custom Server Controls :: TemplateField [TextBox] Binded To DataSource (Custom Server Control)?

Jul 28, 2010

Case : a templatefield Text Box created by class TemplateHandler and added to the composite

control Grid .how to bind it to the DataSource Object of the Grid Class ?

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Custom Server Controls :: How To Use A Custom Server Control That Is Defined In Inline Code In The Same Page

Oct 22, 2010

I have to use inline code for an aspx page and I need to use a custom server control that is defined in the same aspx page but the control does not get processed as a server control. it gets returned as is as static html tag.

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Custom Server Controls :: How To Get The Value Of Readonly Properties Of Server Controls Inside A Custom Server Control

Apr 4, 2010

I have a custom server control inheriting from CompositeControl. It consists of two RadioButtonlist controls that are rendered side by side in an html table. The number of ListItems in each RadioButtonList is not known until runtime. Depending on how many items each list contains, the RepeatColumns property of each list is set differently. To do this in the handler for the ItemDataBound event I need to get the count of ListItems in each RadioButtonList. How do I expose the Items.Count property of each internal RadioButtonList as a top-level property? I tried using a getter to return the count but this generates a compile-time error to the effect that the count cannot be assigned to--even though I have not created a setter.

Similarly, in the handler for the Submit event, I need to get the ClientID of each internal RadioButtonList to pass to a method that checks for data changes. How do I expose the ClientID of each component RadioButtonList as a top-level property?

I can of course index the Controls collection of the composite control to access the child control and read its properties--but that defeats the whole point of making a complex, independent custom server control.

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Custom Server Controls :: How To Add A Dropdownlist Of Available Values For A Custom Server Control Property

Sep 13, 2010

How would I add a (dropdown) list of available values for a custom server control property?

(Just like 'Visible' property of most controls has valid values of 'True/False' and nothing else can be entered or selected)

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Custom Server Controls :: Embedded Javascript File In Custom Server Control?

Oct 19, 2010

I am creating a custom server control, and I am wanting to include a JavaScript file in the dll file when the control is built. I have tried suggestions from the following websites:[URL] But after following the directions, If I use firebug to see what errors show up, the JavaScript functions that are being called all say "goNext is not defined" which leads me to believe the JavaScript file is not being added correctly.

Some information on what my control looks like

I have the JavaScript File in a folder called Script. The namespace of the project is CustomControl, and the Name of the project is MaskedDateTextbox.

In my AssemblyInfo I have the following:

<Assembly: AssemblyVersion("1.0.*")>

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Custom Server Controls :: Client Side Functionality In A Custom Server Control Using Vb?

Oct 4, 2010

is it posible to add client side functionality to a custom server control in vb.net?i am looking at msdn library and there is no code for vb :/ http://msdn.microsoft.com/en-us/library/aa719700%28v=VS.71%29.aspxI fount this on MSDN Library Adding Client Capabilities to a Web Server ControlWhat i'm trying to do is to add some client functionality to my control, so that you can get or set some properties/values on client side. From the above link i see that this is doable with Ajax Server Control, but i don't have it, i have Custom Server Control. Can i do this with Custom Server Control and how?

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Custom Server Controls :: Implementing PostBackUrl Feature In A Custom Server Control?

Dec 20, 2010

I've build a custom server control inheriting from WebControl. Basically it is a kind of button. All is working perfectly except one thing: the PostBackUrl is inoperative.

I probably forgot to implement something. Actually I just added the property PostBackUrl. Probably I should also implement an interface of call something.

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Custom Server Controls :: Custom Server Control From Datalist Not Binding?

Feb 24, 2010

I have a control inherited from datalist because I want all the same functionality but with a couple of extra properties.

I have a method that goes off and gets the data inside the control (instead of using a separate datasource ID). It's reading it from XML into a datatable.

If on the code behind of the aspx page I put the control on I put a thecontrol.databind() in the page load, all works well.

However I'd rather not have to do this, instead the control should bind itself.

I gather it's something to do with the order of events but I'm not sure what to do about it.

I don't want to reinvent the datalist wheel, just add a couple of properties and get it's own data

Sample code (some code removed for clarity)

[Code]....

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Custom Server Controls :: Embedding Images In Custom Server Control?

Jan 8, 2010

i am making a custom server control. I have embedded images and javascript in class library.But images are not displaying when i use that control in aspx page.my code is

[assembly: WebResource("ClassLibrary1.mail2mohanpyare.skins.kama.icons.png", "img/png")]

and how can i convert ckeditor in class library.

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Custom Server Controls :: Custom Server Control - Not Found In .cs File?

May 27, 2010

I'm having a dumb problem that is killing me. I have created the simpelest custom server control in VS 2008 c# called MyMsgBox. On the ASP page I put it in and register it. But, in the .cs file, when I try to call one of its functions I get the compile error that it is not found. The funny thing is that intellesense has it in the list and all of the functions with their given arguements. At the top of the .cs file I am using the namespace. The code for the custom server control is in the App_Code folder.
Also when I remove all refrences to its functions, the code compiles and when debugging the constructor for the class MyMsgBox gets hit.

<%@ Register TagPrefix="cc1" Namespace="CustomServerControls" %>
...
<cc1:MyMsgBox ID="msgBox1" runat="server" />
Task.aspx.cs
...
Using CustomServerControls;
...

this.msgBox1.confirm("Would You Like to add a new Task for this PO/Contract? ", "hid_f"); Error Message: 'Tasks' does not contain a definition for 'msgBox1' and no extension method 'msgBox1' accepting a first argument of type 'Tasks' could be found (are you missing a using directive or an assembly reference?)

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Custom Server Controls :: Use Image Inside Custom Server Control?

Aug 12, 2010

I want to use an image inside a Custom Web server control! Do I need to use Web.resources ? if so , how to do ?

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Custom Server Controls :: Custom Composite Control With Custom Templated Child Controls?

Mar 22, 2011

I am trying to build a custom composite control, which allows me to add custom content to each child control. It's a similar concept to what you have with a GridView and TemplateColumn. The markup used to place the control on the page would end up being something like this:

[Code]....

I have the code below, which allows me to put that markup on the page without throwing any errors, and it renders all the correct HTML, except it doesn't render the contents of the ColumnTemplate. I have replaced the Render() code with a comment because it's quite long winded and doesn't add anything important here:

[Code]....

I have tried to follow examples on MSDN and other forums but I can't make this work. I think I'm missing the code to render the contents of the template, but I don't know how to hook that up.

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Custom Server Controls :: Initialize Background Image Url In Css File Into Custom Server Controls

Sep 29, 2010

i registered an image in AssemblyInfo.cs like this:

[Code]....

now i want to initialize that image in css file for background-image but it dose'nt work.
my css file is:

[Code]....
i also try with this :

[Code]....

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Custom Server Controls :: How To Create Custom Property (DataSource) In Custom Controls

May 15, 2010

I know that how to create custom control and add custom property.

I want to create property like DataSource to my custom control.

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Custom Server Controls :: Button In Custom Server Control?

Oct 20, 2010

i can add buttons in my custom server control but i can't handle button click event. how can i do this

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Custom Server Controls :: Custom Server Control Dependencies

Apr 20, 2010

I've done a fair bit of winforms programming but I'm still relatively new to ASP.NET. I have developed a few custom server controls however I am not quite sure what to do when they require certain client side java includes etc. For example, I've developed a server control which uses some jQuery UI stuff. At the moment I manually need to ensure that the jQuery stuff is referenced in the header section of the page I use control in, but is there a way to check if it is present and add it if not from the server control?

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Custom Server Controls :: Custom Radio Button Loses State After Postback?

Mar 24, 2010

I have a custom radiobutton and it renders fine but loses state after postback.

How can it be modified?

[Code]....

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Custom Server Controls :: Custom Validator Client-side Validation Cannot Work?

Jan 13, 2010

I've been trying to get a custom validator component working that ensures at least one checkbox from a checkboxlist has been checked. I've been used some code I found on dotnetjunkies.com but the client-side validation didn't work. I've been attempting to modify it to get the client-side javascript validation to work with no luck. Basically, I compile the below code into a DLL and add it to my bin folder.

[Code]....

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Custom Server Controls :: Custom Control's Children Do Not Persist Contents After Postback

Feb 25, 2011

I have created a really simple custom control to render panels into a page. The code is below. When I use my control and add any webcontrol to it, after each page postback the contents of these child controls vanishes.

I must have missed something really simple but run the example to reproduce this. Can anyone please enlighten me as to why the controls are being 'emptied' of their contents, and how I stop this occuring?

Here is the code for the control

[Code]....

And here's how I am using it in a sample page:

[Code]....

[Code]....

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Custom Server Controls :: Implementing An Interface From A Class Library In A Custom Control?

Jul 8, 2010

I'm building an n-tier application, with the web client and the class library separate. I'm also using the factory pattern of development, using interfaces to act as containers for different objects they are associated with. The problem I'm expreriencing is that I declared a public interface class in the class library and I can create an instance of it in in my aspx pages but whenever I declare it in my custom control code-side, i get an error, like so:

Error 20 The type or namespace name 'IContentMaker' could not be found (are you missing a using directive or an assembly reference?)

notge that I have inherited the class library namespace using the 'using' keyword just in case you are wondering. My code is like so:

using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using TQO_Classes ; //importing the class library project
public partial class PageContentMgr : System.Web.UI.UserControl
{
private IContentMaker _data; //this line throws the error, it works fine on aspx pages

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