report from datatable or datagrid

Question

Hi.
Would yoy kindly help me. I appreciate it.
In my C# win application , I have dynamic datatable. Which has different columns and rows in every time user enter his datas. May be user add or delete some columns . Because I uses this datatable for showing the datas of different Excel file that hasn't constant format. Some rows need 3 or 4 lines some of them need 1 line to show in report. So I need a code to show my dynamic datatable as a report that I can print it