Multi-field queries using C# driver for MongoDB

Question

I\'m having trouble figuring out syntax for what I\'m trying to accomplish. As stated I\'m using the C# driver for MongoDB.

I have a User entity defined as

Answer 1

You can use Query.And() like this...

var entityQuery = Query.And(
                      Query.EQ(e => e.Username, username.ToUpper()),
                      Query.EQ(e => e.Password, password)
                  );

See CSharp Driver Tutorial

Or you could do it LINQ style, see: CSharp Driver LINQ Tutorial

This is also interesting too: How to rewrite a MongoDB C# LINQ with a Projection Requirement using a MongoCursor