I have few textboxes and combobox in a user control.
How can I detect if a user has changed the value of combobox and the text in
textbox?
I know that textbox has a CanUndo property that return true if user has

When I try to sort my combo box I get the following error.
"Cannot sort a ComboBox that has a DataSource set. Sort the data using the
underlying data model."
--------------------------------THe code is given below.

I recently ran our code through a profiler to determine why it was
using so much memory.  It turns out the System.String object is taking
95% of the memory.  We have considered converting the strings to
StringBuilder objects, but I don't think this will help.  From what I

I already have VS Studio.Net 2003 installed.
I have need to compile some vanilla C, not C# programs on the same
PC.
If I install VS Studio will it integrate into VS.NET's IDE (which

I am having a an issue trying to read a text file using the File.Read command.
Here's the code:
FileStream fs = File.Open ("somefile.xml",Open,Read,ReadWrite);
StringBuilder strXml = new StringBuilder();

I have seen at the MSNBC web site - main page - that
when an user drags the mouse over (Example ) Headlines
or Sports News then another Menu pops up, and so on.
Where can I please get info to know how to do it?

I have a client who wishes to use the Enter Key and/or Arrow Keys, as well as
the Tab Key, to navigate between Fields in a Windows form.
Is this possible using C# in Visual Studio 2000 ?

Does anyone know how to change an index of an object?
This is what I want to do.
eg: I have 5 controls in a panel.
index from 0 to 4, after I remove the 3rd control (index 2), I want to

I'm working on a VB.NET project. I know that the RichTextBox component allows
me to use rich text (I mean with bold, underlined, etc); how can I make
Microsoft Word to get that rich text?

Currently im storing the connection info. in XML file on the C drive. the
only problem with this is that anybody can open and check the database name.
I know encryption can solve this problem but still im concerned whether this
is the right place to store connection info as in ...

I've got several regular expression strings that I want to store in the
machine config. One of the strings contains a ampersand character. For some
reason this can't be stored in a string in the config. When the string
contains the & character the app throws errors on start. I've ...

new hardware; copy VS projects from old hard drive to new; rebuild an old
project & run:
The current .NET security policy does not permit <program> to run from the
folder <program>_bin.

I tried to use FileStream and streamWriter to write a Rich Text Box's text
to a txt file. But all text is in one line. All return inputs in the Rich
Text Box are showed like a small square []. I tried NewLine property and also
binaryWriter. Neither work ok.

Hi guys.  I've written code to embed an ICC profile in a TIFF image, and I
think my IO operations are slowing things down.  It is taking about a second
to embed each tag in 7-meg TIFF files.  Doesn't sound too bad until you try
doing it to 500 files.  Basically what I am doing is ...

I have to avoid cyclic reference in my DLLS. One way is to move the code to
the common DLL. But now since i have written a lot of code, it would take a
whole lot of time to do this. The other way i see is to link file to the DLL.
But i have some doubts about taking this approach.