Entity Framework: How to see the generated/underlying SQL

ftom — Wed, 28 Jan 2009 14:39:25 GMT

Finally I had time to start digging into the Entity Framework.

I found two dnrTV videos which I highly recommend to get started.
http://www.dnrtv.com/default.aspx?showNum=117
http://www.dnrtv.com/default.aspx?showNum=118

The idea of this and hopefully follow up blogs is to have my own personal Snippets.

Here comes the first one: How to see the generated SQL

Here are the steps:

• create your Entity Model (.edmx) from your DB and then
• Get an instance of your Context.
• Write the Query in Linq based on your contex
• Call ToTraceString()

Example:

using (var ctx = new MyDBEntities())
{
    var query = from ev in ctx.Events
                select ev;
    var query2 = query as ObjectQuery<Event>;
    Console.WriteLine(query2.ToTraceString());

    foreach (var ev in ctx.Events)
    {
        Console.WriteLine(ev);
    }
}

Tom