title: The table/view does not have a primary key defined
body: <p>I am trying to use the Databinding with WPF and Entity Framework.</p>
  
  <p>After adding the data-source to my project, I saved my project in order to see whether everything is fine till what I have done. </p>
  
  <p>but I have a 11 warn/info messages stating :</p>
  
  <p><strong>The table/view 'MyDataBase.TableName' does not have a primary key defined. The key has been inferred and the definition was created as a read-only table/view.</strong>  </p>
  
  <p>I have 14 Tables where 4 tables has their own primary keys and others tables are referred to each other using foreign keys</p>
  
  <p>What is this issue all about?
  Kindly help</p>