Description: Can control the data in a variety of Export to Excel document, for example: (Repeater, GridView, Datalist, DetailsView) control.
File list (Check if you may need any files):
ReportToExccel
..............\App_Code
..............\........\CommonClass.cs
..............\App_Data
..............\Default.aspx
..............\Default.aspx.cs
..............\web.config