Delete Sqlite Database file which is in progress state

Scenario: I have a text file which have large number of data and this data inserted into sqlite table using c#. I have two events(button) one is run and second one is stop, in run button click event the data is inserted into from txt file to sqlite if in between I clicked on stop button then I want to delete the file in which the data inserted. If some one please help me how to stop the insertion of record in stop button event.