how to print page or how to print datagrid values without using reports

1. Create a page(print.aspx) with all the details you required on printing page.

2. Place a button on the page and onclick of that button simply open the print.aspx page with below code.

<a href="javascript:void(0);" onclick="window.open('print.aspx?orderID=<%# Container.DataItem("OrderId") %>','','width=100,height=200,scrollbars=1');">
   </a>

3. Here in the above code snippest, order id is passed as query string to print.aspx. Purpose of that is to fetch all the needed information on the print page by order id

4. On the page load of print.aspx, first fetch all the required stuff and assign it to appropriate control, then simply add below line in the page load .

ScriptManager.RegisterClientScriptBlock(Me, GetType(Page), "print", "window.print();", True)

5. With the above line, after page load, print dialogue will appear so that use can print that particular page.

Hope it helps.