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Ken Getz is a senior consultant with MCW Technologies and splits his time between programming, writing, and training. He co-wrote several training courses for Application Developer's Training Company ( including VB. NET, Access 2000 and 97, Visual Basic 6, and Visual Basic 5 seminars. Ken is a frequent speaker at technical conferences and spoken often at Microsoft's Tech-Ed conference.He specializes in tools and applications written in Visual Studio . He has also recorded video training for App Dev covering VB. Ken's also a technical editor for Access-VB-SQL Advisor magazine and a columnist for Informant Publications' PRO magazine. He is also the co-author of several best-selling books, including Access 2002 Developer's Handbooks with Paul Litwin and Mike Gunderloy, Visual Basic Language Developer's Handbook with Mike Gilbert, and VBA Developer's Handbook with Mike Gilbert (Sybex).Creating custom column types for the Data Grid View control isn’t nearly as tricky as it once was.In this article, you’ll learn how to take advantage of inheritance to create your own bar graph column in a grid cell.

In one of the columns, we display a simple little bar graph corresponding to a value from a table.We create the bar by displaying a solid bitmap, setting the width to be the value from the field.Then we display the value of the field next to the bar.We’ve found this to be a totally effective way to include graphical information in a simple table. Although it wasn’t my first thought, it quickly became clear after a little research that the answer was to create a new type of column for the Data Grid View control.Remembering back to the painful experiences I had suffering a similar torture working with the Grid View control in Visual Studio 2003, I started with some trepidation.

It turns out that tasks once difficult have become simple, as is often the case in . I quickly ripped out a version for my friend, and later solidified it for inclusion here.

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Datagridviewcomboboxcolumn cellvalidating introduction

Datagridviewcomboboxcolumn cellvalidating

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