title: Datagridview with two datasources
body: <p>I have two tables one is them main table contains (id, Date, TestID, Result)
  and the orther is a lookup table (TestID, TestName)</p>
  
  <p>I want to show data like this in datagridview:</p>
  
  <p>Id , Date, Test 1, Test 2, Test 3, Result.</p>
  
  <p>and to be able to save it, is this possible? and how to start</p>