I have two controls
Control A has a text box and button
Control B has a text box
Both these controls are pasted on custompage.aspx. When I click on button on

I am using ASP.Net with C# as the code behind and am trying to upload
multiple files with the HTMLInputFile Control.  I am able to browse, select
a file, and finally upload, but only one file at a time.  Is there a way to
select multiple files to upload at one time using this ...

I've been trying to build a tab control, as an alternative to the MS IE
TabStrip and MultiPage.
It works great.  Except for anything that's actually put onto one of
the tabs.

Datagrid events disappear when i edit web form (aspx) from visual studio.
How can i solve this problem. ( in InitializeComponent )  
Thanks ...

SelectedIndexChanged NOT Firing in my DropDown ListBox
AutoPostBack = true
EnableViewState = True
Autpostback works, but the SelectedIndexChanged Event does not fire !!!

I have two user controls Control1 and Control2 (.ascx).
When the Web Page containing this control gets posted back I have some logic
to determine a value in Control1 that is an input to Control2.I find that I
am unable to achieve this because the Control1 postback is only done ...

I'm trying to access a Label Control on my .aspx  page from a User Control.
But I don't manage it.
Do somebody help me to do that ?
My aspx is mypage.aspx

I am writing a usercontrol that works as a years scheduler.This
usercontrol has some elements created at design time like 2 link
buttons to navigate years.
The calander is created dynamicaly by adding days at runtime using

I would like to define an instance of a user control, which is in a separate
assembly, in a class file I am trying to build, how can I do this, please?
I am getting compilation error, saying "missing using directive or an
assembly reference", but I have already included the "using . ...

I have developed a custom control, which is in the form of a DLL. Now I have
to deploy it .. My control uses some javascripts and images  and few CSS.
These are now Out of projects and included in the client project. Is there
any way to include these files in control it self. So ...

Looking for some basic guidance on how or whether I should use class=
and <style> and whatever you call CSS to control the appearance of my
menu server control.
It is great that I can render a sequence of <a> elements to the page,

I'm developing a simple composite control with 2 child controls, a
Label and a TextBox. I expose easily many properties of the inner
controls, in the form i.e.:
BoxToolTip & LabelToolTip,

Hi to all,
I have a webform.aspx and inside i have a dropdown list with autopostback
and a place holder...
Depending of the selected index that the user selects in the dropdownlist i

I'm looking for a book that explains creating custom web controls for
asp.net from scratch (Inheritance from webcontrol or control namespace).
I've tried so far with different books but they all start and finish pretty
much the same. Bla bla what is asp.net, bla bla hallo world, bla ...

I'm designing a control that inherits ListControl
I was surprised to see that SelectedIndexChanged is part of ListControl. So
why doesn't it implement IPostBackDataHandler?
I added this to my control: