Insert File using FileUpload control to database in ASP.Net

I have created a table in database and i have inserted all the data but i cant able to insert the fileupload buttons data in database 

SqlCommand cmd=new SqlCommand("insert into reg values('"+txt_name1.Text+"','"+txt_mobile1.Text+"','"+txt_email1.Text+"','"+txt_qualification1.Text+"','"+txt_yearofpassing1.Text+"','"+FileUpload2+"')");