A simple implementation of IServiceProvider for use in plugin style architectures.

This little number will allow the contents of other pages to be included or embedded into the rendered HTML of an aspx page. Using the WebClient class from the .NET framework, you can conditionally load pages, even manipulate the HTML before it is rendered and in this example, fill in forms and execute javascript actions.

The following example shows how to auto-login to an Exchange Server - this was something requested for inclusion into our portal, but I left out the logic that pulls/decrypts the real password - for obvious reasons.

Enjoy!
~Jeremy

This snippet allows an aspx page (c#) to accept URL parameters to allow styles or script to be dynamically appended to the rendered page.

I wrote this simple snippet to allow one of our vendors to accept a style override so that their application would morph into something more closely resembling our own portal application. Please see screenshots for clarification.

Original Vendor Application

Vendor Application with Style Override via URL

Configurable number formatter.

If anyone has tried using the .NET Graphics API, they know that replacing pixel colors takes a long time to complete. I did some research and found a good source. This code will adjust the color to greyscale by Binary.
The page is http://www.navicosoft.com/software_articles/softwares_articles_index.html for more information. It is under Basic Image Processing in the list of articles.

This code was something I used to monitor the keys that where press while a user would be entering text into a text box in my application. I monitored and watch for the user to hit the "Enter" key and then perform some task. Handy code for chat applications.

Generates an 88 character secure hash string for the passed in strings.

A basic employee class

This snippet effectively reads an XML document using XPathDocument (read-only) instead of using the DOM. This snippet returns the full element values in between elements. For example:

root element
code element
This is a test.
/code element
/root element

GetXmlString("/root/code"); //returns 'This is a test.'

Write a set of bytes into a 'so-called' binary file. The point is that we use BinaryWriter here and we have a byte array as input.

This function returns a stack trace for an exception with all inner exceptions include unless the count of inner exceptions goes over 50. A stack overflow can occur if there is no upper limit for inner exceptions to read from.

Makes use of stringbuilder to build return string in order to yield higher performance.

A function to determine if the input filename is valid on Win32 platforms (that is, it does not include invalid characters, such as :\?...)

Write a set of bytes into a so-called binary file. The point is that we use BinaryWriter here and we have a byte array as input.

Set the read-only attribute of a file to true or false.

boost::format gives you the ablility to safely use printf like formatting as well as positional format specifiers ala .NET.

This is a function that receives a dataTable and return it in a pivoted way.

Simple loop through datatable

Second example of reading an excel file. Reading with a SELECT syntax.

First Example of reading an excel file. Just reading the file and loop throught 10 rows.

I will send the second example soon !!!

Example that shows how to populate a winforms combobox with csharp. It uses Data Access blocks (SqlHelper).

Format a phone number with php.

Format Bytes

mySizeMemory:this function just formats the output the way I like Input integer in Bytes, outputs easily human readable format

mySizeDisk: this function just formats the output the way I like
Input integer in Bytes, outputs easily human readable format

Prior to NETCF 2.0, this was a royal pain. Now, it's pretty straight-forward.

These three related functions provide basic Clipboard operations for text. While not terribly useful by themselves, they become more useful when attached to a field's context menu or, better yet, implemented in a custom control.

From RSA Security's website:
"RC4 is a stream cipher designed by Rivest for RSA Data Security (now RSA Security). It is a variable key-size stream cipher with byte-oriented operations. The algorithm is based on the use of a random permutation. Analysis shows that the period of the cipher is overwhelmingly likely to be greater than 10^100. Eight to sixteen machine operations are required per output byte, and the cipher can be expected to run very quickly in software. Independent analysts have scrutinized the algorithm and it is considered secure."

This implementation encodes the byte stream to be encrypted "in-place".

Example:
Byte[] Key = new Byte[5] { 12, 34, 22, 12, 32 };
Byte[] B = new Byte[10] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
// Examine B array before and after this next call.
RC4(ref B, Key);
// Examine B array before and after this next call.
RC4(ref B, Key);

This snip opens any kind of document (e.g. .PDF, .DOC, .C, .HTM, etc.) using the default application associated with it. This relies on starting a new process with the .UseShellExecute property set to true.

The main overloaded function OpenDoc(filename) will open any associated document using the default OPEN verb. If you are trying to edit a file, for example, a command file, then you need should call OpenDoc with the "EDIT" verb. Some associations also a "PRINT" verb.

Since the return result is a System.Diagnostics.Process object, you can also monitor or kill the process.

Example:
OpenDoc("C:\\SomeDocumentation.pdf");
OpenDoc("C:\\AWebPage.htm", "EDIT");
OpenDoc("C:\\Test.txt", "PRINT");
System.Diagnostics.Process doc = OpenDoc("C:\\WebPage.htm");

Formats milliseconds into a duration string.

Class Library Configuration Support

RSS Generation Classes

Parsing a String for Numbe

FormatDateTime Functio

Dynamically Populate a CheckBoxList in C#

List Files in a Directory in C#

Strip HTML Tags From a String

Send Basic Email