title: check if database exists or not in asp.net page_load event
body: <p>Hi everyone I want to create a web app in asp.net to upload excel sheet data into a SQL-server database. </p>
  
  <p>I am facing problem in that on page_load event check if database with any name exists in DB if not then create DB and also check table with any name exist in DB if not then create table in database.</p>