Group by with multiple columns using lambda

by 
var query = source.GroupBy(x => new { x.Column1, x.Column2 });

More Related Contents:

  1. How to convert an expression tree to a partial SQL query?
  2. Entity Framework – Cannot convert lambda expression to type ‘string’ because it is not a delegate type
  3. Max return value if empty query
  4. EntityFramework – contains query of composite key
  5. Decimal precision and scale in EF Code First
  6. EntityType has no key defined error
  7. Can I specify my explicit type comparator inline?
  8. Insert data using Entity Framework model
  9. Wrapping StopWatch timing with a delegate or lambda?
  10. Weak event handler model for use with lambdas
  11. How do I create an expression tree to represent ‘String.Contains(“term”)’ in C#?
  12. How do I pronounce “=>” as used in lambda expressions in .Net [closed]
  13. Entity Framework Filter “Expression”
  14. How to get property change notifications with EF 4.x DbContext generator
  15. Entity Framework with XML Files [closed]
  16. How to disable cascade delete for link tables in EF code-first?
  17. EF 6 – How to correctly perform parallel queries
  18. Problems using Entity Framework 6 and SQLite
  19. Expression of type ‘System.Int32’ cannot be used for return type ‘System.Object’
  20. ef4 cause Circular reference in web service
  21. Peculiar overload resolution with while (true)
  22. Join and Include in Entity Framework
  23. Entity framework raw SQL Query
  24. Global setting for AsNoTracking()?
  25. EF5 Getting this error message: Model compatibility cannot be checked because the database does not contain model metadata
  26. Parallel doesnt work with Entity Framework
  27. Unable to find the requested .Net Framework Data Provider. It may not be installed
  28. Entity Framework Multiple Object Contexts
  29. How to force LINQ Sum() to return 0 while source collection is empty
  30. Linq Query keeps throwing “Unable to create a constant value of type System.Object….”, Why?

Leave a Comment