This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
The difficultly depends on the scope of the datagrid. Building a html table with datas inside a scrollable div tag is moderately simple with Ajax. All you need to learn in using XMLHttprequest, XML DOM and DHTML.