As for the question why 'A, B.' Are not working I will take a wild guess.

1. How To Read Excel File In C# Console Application
2. How To Read Excel File In C# Windows Application

When selecting data within the OleDbDataAdapter, you are able to define your sheet after the 'FROM' statement. In there as well, you can append your desired range (as shown in the link). Now, the result coming back from such a select, will be a structure of data not having relationship with the default Excel column naming. It would suck if you were able to write SELECT. FROM Tabelle1$A1:B10 where C = '123' (that doesn't make any sense).–May 5 '11 at 15:15.

Job SearchASP.NET is a web application framework developed and marketed by Microsoft to allow programmers to build dynamic web sites. It allows you to use a full featured programming language such as C# or VB.NET to build web applications easily.This tutorial covers all the basic elements of ASP.NET that a beginner would require to get started. AudienceThis tutorial has been prepared for the beginners to help them understand basic ASP.NET programming.

How To Read Excel File In C# Console Application

How To Read Excel File In C# Windows Application

After completing this tutorial you will find yourself at a moderate level of expertise in ASP.NET programming from where you can take yourself to next levels. PrerequisitesBefore proceeding with this tutorial, you should have a basic understanding of.NET programming language. As we are going to develop web-based applications using ASP.NET web application framework, it will be good if you have an understanding of other web technologies such as HTML, CSS, AJAX.