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How To: Blocking\Restricting certain file types from being saved to a directory using FileSystemWatcher

A user a devpinoy.org posted a question on the forum section asking if there's a way to restrict files from being saved in a directory. I know you can do this via the FileSystemWatcher class so I quickly whipped my Visual Studio 2008 IDE and started...

Published 02-25-2009 12:38 PM by keithrull

Filed under: C#, File Manipulation, FileSystemWatcher

How To: Capitalize the first letter of every word in a string

Ever thought of how to capitalize the first letter of every word in a string? Here's how: [C#] using System; using System.Globalization; namespace KeithRull.CapitalizingLetters { internal class Program { static void Main( string [] args) { string...

Published 08-19-2008 10:59 AM by keithrull

Filed under: C#, Tutorial, VB.NET, TextInfo, Tips and Tricks, CultureInfo, Globalization, Localization

How To: Search a directory for files using multiple search patterns

I was browsing at DevPinoy.org today when I saw this interesting post by n@rds about searching for files in a directory using multiple search patterns and it made me realize that there are alot of ways you can accomplish this task. Here are some examples...

Published 02-01-2008 5:00 PM by keithrull

Filed under: C#, List<T>, var, LINQ, C# 3.x, Directory, GetFiles(), List.ForEach, Search

How To: Create Zip Files In C# with SharpZipLib (#ZipLib)

I encountered a problem today with one of my projects. The problem was about a third-party application choking when it encounters files greater than 20MB. I have a Windows Service that creates PDFs of KPIs for around 150 users and each of the file that...

Published 01-25-2008 2:01 PM by keithrull

Filed under: C#, Zip, SharpZipLib, #ZipLib

How To: What is Anonymous Types in C#

Yesterday I wrote an article explaning what var means in .NET 3.x . Today lets talk about Anonymous Types. Anonymous Types as describe by the C# 3.0 specification are tuple types automatically inferred and created from object initializers. Anonymous Types...

Published 01-23-2008 2:04 PM by keithrull

Filed under: How To, C#, Tutorial, Demo, Learn, Anonymous Types, Visualize

How To: What does "var" exactly mean in C#?

More than a year ago when I was reading about C# 3.0 and all the goodness attached to it I saw this new keyword called "var". At first, I thought it was something similar to what Variant means in VB6 or something like the Object type in .NET...

Published 01-22-2008 4:20 PM by keithrull

Filed under: C#, var, new feature, Shapeshifter

How To: Use Extension Methods In .NET

One of the cool feature ( if used correctly ) added to .NET 3.x is Extension Methods which enables you to extend an specific type by adding your own methods to it. It's useful in cases where you want to extend a library that you dont have access to...

Published 01-04-2008 3:47 PM by keithrull

Filed under: C#, Tutorial, MD5, .NET 3.x, Extension Methods

List SQL Servers using SqlDataSourceEnumerator

I wrote an article a few years ago using SQL SMO and just realized today that I can also list SQL Severs without importing an additional assembly to my project ( Microsoft.SqlServer.Management.Smo ) by using the SqlDataSourceEnumerator class . SqlDataSourceEnumerator...

Published 12-11-2007 11:31 AM by keithrull

Filed under: C#, PInvoke, SqlDataSourceEnumerator, NetServerEnum, SQL Server

Generating random strings in C# and VB.NET revisited

Somebody sent me an email today asking me about an article I wrote a few years ago detailing how to generate random strings and numbers in C# and VB.NET . He asked me if I could add function to the code that creates a random character set to be used as...

Published 11-28-2007 10:01 AM by keithrull

Filed under: C#, .NET, VB.NET, System.Random, Random Strings, Generating Random Strings, Random, String Tricks

My ASP.NET FileSystem Browser Revisited

More than 2 years ago I wrote this article and submitted it in CodeProject detailing how you can build a FileSystem Browser in ASP.NET. The article talks about how newbie ASP developers moving to ASP.NET might code the solution and how somebody a little...

Published 11-16-2007 3:54 PM by keithrull

Filed under: ASP.NET, C#, StreamReader, FileSystem, File Streaming, FileSystem Browser, ASP.NET Sample Application, DirectoryInfo, FileSystemInfo, FileSystem Manager

C# 3.0 Language Specification

New to C#? Need to know whats on C# 3.0? Then download this 500 page book coutersy of Microsoft. It's the most complete C# reference you can find and it is primarily written by the engineers of the C# language Go download it here ! Thank you Charlie...

Published 09-07-2007 9:48 AM by keithrull

Filed under: C#, C# Language Specification, C# 2.0, C# 3.0, C# 1.x

How To: Get all Mondays in a given year in C#

I was working on small project today and one of the requirements is to list down all the Mondays in a year and populate a dropdownlist with the values. It's a funny requirement but still needs to be done since the client wants it that way(Oh well...

Published 08-27-2007 3:35 PM by keithrull

Filed under: Generics, C#, DayOfWeek, DateTime, DateTime.Parse

[Updated] How To: Merge Multiple Microsoft Word Documents

"Combine. Merge. Join. Append. Concatenate. Microsoft Word Documents." A few weeks ago I wrote an article about merging word documents in C# and got great response about the article. One of the readers, Abhi, had an interesting problem. The...

Published 06-09-2007 10:13 AM by keithrull

Filed under: ASP.NET, C#, Microsoft Office Interop, VB.NET, Merging Word Documents, Tips, Tricks

Find items inside a Generic List using the old approach, the cool approach and the super duper cool approach.

A few days ago we helped Rolvin sort the list of girls he wants to date .. this time we'll help him find the girls with a cuteness factor that matches his criteria. =) *To have a clearer understanding about this demo please look at my first article about...

Published 03-26-2007 4:42 PM by keithrull

Filed under: Generics, C#, Anonymous Delegates, List<T>, Lamda

DevCast : ADO.NET Part 1

This is the first part our series about ADO.NET which is part of our Back To The Basic Series which is a series designed to teach beginners about the benefits of ADO.NET and to show how easy it is to use the ADO.NET in a short 10 to 15 minute video using...

Published 02-27-2007 10:14 PM by keithrull

Filed under: ASP.NET, C#, Tutorial, Sample, UDL, Demo, ADO.NET, DevCast

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