Drag Drop functionality in DataGridView

Question

Dear All,
I am developing a desktop application in C#. My client right now is using
Excel to create their data sheet. In excel we can use drag and drop functionlity
(Entering data in one row and pasting it by dragging to multiple rows).  I want
to implement same functionality in DataGridView. Any clue to do this.
Any help will be appreciated.

Regards,