Get SQL query from LINQ to SQL?

c# .net linq-to-sql
James123 picture James123 · Aug 14, 2013 · Viewed 81.6k times · Source

I have a query which I am passing byte[] as a parameter. I am trying to get the SQL query out of it and run that query in management studio to debug. How can I extract the SQL statement from it?

 committeeMember =
           db.Committee_Member.FirstOrDefault(x => x.Customer_Number == activity.Contact.Number
           && x.Position_Start_Date.Value.Year == activity.EndDate
           && x.Committee_Id == activity.Committee.Id && x.Cancelled != 1);

Answer

Sergey Berezovskiy picture Sergey Berezovskiy · Aug 14, 2013

In debugger hover mouse over commiteeMember variable - it will show generated SQL query:

enter image description here

This is what ToString() returns for query. You can get same generated SQL query manually by calling ToString:

string sql = committeeMember.ToString();

This overridden method internally calls ObjectQuery.ToTraceString() which returns commands that will run on data source.

Also you can use SQL Profiler or Entity Framework Profiler to see which SQL query was executed.

Related questions

What is the syntax for an inner join in LINQ to SQL?

I'm writing a LINQ to SQL statement, and I'm after the standard syntax for a normal inner join with an ON clause in C#. How do you represent the following in LINQ to SQL: select DealerContact.* from Dealer inner join …

Read More
How to compare only Date without Time in DateTime types in Linq to SQL with Entity Framework?

Is there a way to compare two DateTime variables in Linq2Sql but to disregard the Time part. The app stores items in the DB and adds a published date. I want to keep the exact time but still be …

Read More
LINQ - Left Join, Group By, and Count

Let's say I have this SQL: SELECT p.ParentId, COUNT(c.ChildId) FROM ParentTable p LEFT OUTER JOIN ChildTable c ON p.ParentId = c.ChildParentId GROUP BY p.ParentId How can I translate this into LINQ to SQL? I got …

Read More