Hi friend,
Why you want to learn only Gridview. if you know everything about other controls and you have doubt about gridview then it's file. There are so many controls available in Dot net framework. my suggestion is you should start reading ebook and create sample application. For each functionality you need different controls. Gridview will not do everything of showing data. there are more controls available to display your data with different form. Please refer
ASP.NET Data Controls[
^]
Please go through this book :
Beginning ASP.NET 4 in C# 2010[
^]. it is worth to read this book.
Learning step by step is always helpful for long run.
Best of luck for your learning
Thanks
-Amit Gajjar.