Create an Excel file in C# without Microsoft Office or Third party plugins
How to create an Excel file (XLS / XLSX) in C# without having a copy of Microsoft Office on the server, or other third party plugins installed
vb.net Bitmap object locks images (impossible to move/delete jpg/gif files) – .Dispose() Method common problem
posted in: ASP.NET, C#, Programming, VB.Net
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Many people are in trouble and on forums asking why the .Net Bitmap object does not release an image with its .Dispose() method. The Bitmap object (after its destruction too) seems to lock the image file, then we are not … Read More
How to draw a shadow for a bitmap (Drop Shadow Effect in VB.NET / ASP.NET)
posted in: ASP.NET, C#, Programming, VB.Net
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I wrote a vb.net subroutine to draw easly a shadow for a Bitmap object; It is possible get a charming shadow in different ways… Normal black shadow to the bottom right corner Red shadow to the bottom right corner Shadow … Read More
How to remove accent marks and german umlauts from URLs and Strings in .NET
posted in: C#, Programming, String Manipulation Algorithms, VB.Net
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I wrote two functions in .NET to remove easly any accent and umlaut marks from a string and to get the equivalent non-accented string, this is very useful to normalize URLs; for example, with the StripAccentMarks() method, from “àbcdèéfghìlmnòpqrstùvzäöüÄÖÜ” u’ll … Read More
Multilingual applications with VB.NET
posted in: C#, Programming, VB.Net
2
In this simple tutorial you’ll learn how to manage different languages for a vb.NET application and the simplest way to access programmatically to the string values in the resource compiled files (*.resx) created by Visual Studio; Adding resource files: First … Read More
How to implement IsNumeric() VB.NET function in C#
posted in: C#, Programming, String Manipulation Algorithms, VB.Net
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This article describes how to implement the useful “IsNumeric” function in Microsoft Visual Basic .NET in Visual C#. The IsNumeric() function returns a Boolean value indicating whether an expression can be evaluated as a number. The IsNumeric() function returns True … Read More
MySqlHelper VB.NET class – easly execute commands against a MySQL database
Hi all, with the following free .net helper class you can easly execute SQL commands against a MySQL database, execute stored procedures, get or programmatically update tables/DataSet objects and convert to and from MySQL datetime types. Enjoy! 🙂 [sourcecode language=”vb”] … Read More
How to extract text content from tags in VB.Net
posted in: C#, Programming, String Manipulation Algorithms, VB.Net
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With this simple vb.net function You are able to extract content from HTML tags, useful and smart Max 🙂 [sourcecode language=”vb”] Public Function GetTagContent(ByRef html As String, ByVal start_tag As String, ByVal end_tag As String) As String Dim s As … Read More
Updated version of CryptographyHelper class for .NET Framework 4
posted in: C#, Cryptography, Programming, VB.Net
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This updated version of mine “CryptographyHelper” wrapper/helper class supports .NET Framework 4 . With this vb.net class you can easly encrypt/decrypt strings using a robust symmetric Rijndael algorithm or you can get also MD5 or SHA1, SHA256 hash codes of … Read More
Useful extension methods for the String .Net class and string manipulation, with support of IntelliSense
posted in: C#, Programming, VB.Net
0
Hi to all, I wrote this .NET module that extends String class with useful methods to modify alphanumeric characters and symbols. It fully integrates with the compiler so You are able to recognize extension methods by IntelliSense; in the bottom … Read More