几个优秀开源项目介绍

SourceGrid

http://www.devage.com/

SourceGrid is a Windows Forms control written entirely in C#. My goal was to create a simple but flexible grid to use whenever it is necessary to visualize or to change a series of data in a table format.
There are a lot of controls of this type available, but often are expensive, difficult to customize or not compatible with .NET.
The Microsoft DataGrid for me is too DataSet orientated and therefore is often complicated to use in the cases in which the source data isn't a DataSet, and often it is not customizable enough.


ReportPrinting

http://www.mag37.com/projects/Printing/index.html?tabid=10

The ReportPrinting library provides a programmatic way (i.e. no visual designer) to print reports. Features include:

• Printing DataTables using classes similar to the DataGridColumnStyle class for formatting (also includes header and summary rows).
• Printing paragraphs of text using style classes.
• Customizable page headers and footers.
• Boxes, Lines, Graphics...
• Thorough class documentation and completely open source (written 100% in managed C#) with examples in C# and VB.NET

nmath.lib

http://nmath.sourceforge.net/wiki/index.php/Main_Page

Math.NET is a mathematical open source library written in C#. Math.NET aims to provide a self contained clean framework for symbolic mathematical (CAS, Computer Algebra System), and also for numerical / scientific computations. The Math.NET project is covered under the GPL or LGPL, vary amoung various components.


SharpDevelope

http://www.icsharpcode.net/OpenSource/SD/Default.aspx

#develop (short for SharpDevelop) is a free IDE for C# and VB.NET projects on Microsoft's .NET platform. It is open-source (GPL), and you can download both sourcecode and executables from this site. In addition, you can find the latest information and changes on #develop, as well as get in touch with the team in the forum.