Support for DataGrid Columns .NET assembly is available from the publisher site.
Short description: DataGrid Columns .NET assembly is a DataGrid Columns Styles software package specifically designed for Windows Forms .NET developers. The software package answers on the question: "How to add Combobox in to DataGrid .NET in Windows Forms?"...
To speed up your downloads we recommend you use a download manager such as 
An Enterprise Application Framework for .Net that produces an agile application from the data layer through to the front-end. Free open source under the LGPL license, it includes ORM and UI generation to create one application for the desktop & web.
Excellent Query Management tool for DBISAM 4 Users. Complete with Categorization, Syntax Coloring, Live Result Editing, One-Click Export to MS Excel, and much, much, more.
DynaPlot is a real-time ActiveX chart control for technical applications. It features dynamic scaling of chart elements with control size, tolerance masks, built-in tools like cursors, markers, scroll, pan, zoom...
Learn from ebook and well commented example source codes, the easy way to use MySQL with C#. In addition to an ebook, this package contains a real world .NET program that allows you to manage a collection of MySQL and C# programming notes.
QuickUML is a software design tool that tightly integrates a core set of UML models with code generation. A project is presented through a tabbed window of use cases, class models, object models, dictionary and code and saved as an XML file.