Mongodb-getting Started with the C # Driver

Summary: This article only provides a QuickStart level for using C # driver Operations MongoDB, a master skips

2. Downloading the C # Driver
   1. Bash download
4. To add a related DLL reference

       MongoDB.Bson.dll    MongoDB.Driver.dll

6. Add a namespace reference

   using Mongodb.bson; using Mongodb.driver;

8. Get Client Object

   var " Mongodb://localhost " ; var New Mongoclient (connectionString);

10. Get server-side objects

    var server = client. Getserver ();

12. Get the database to manipulate

    var database = server. Getdatabase ("test"//  "Test " is the name of the database

13. CRUD (use a custom Class)
    2. Custom Entities

        Public class entity{    publicgetset;}      Public string Get Set ; }}
       

    4. Get the table to manipulate

       // "Entities" is the name of the collection var collection = database. Getcollection<entity> ("entities");

    6. Add a record

       var New " Tom " };collection. Insert (entity); var // Insert would set the Id if necessary (as it is in this example)

    8. Query a record

       var query = Query<entity>. EQ (E = e.id, Id); var entity = collection. FindOne (query);

    10. Save a record (send entire entity to database)

        " Dick " ; collection. Save (entity);

    12. Modify a record ( send only the modified part to the database, which is the same as the save or the difference, depending on the scene from the row to determine which one to use to update the data )

        var query = Query<entity>. EQ (E = e.id, Id); var " Harry " // Update Modifierscollection. Update (query, update);

    14. Delete a record

        var query = Query<entity>. EQ (E = e.id, Id); collection. Remove (query);

Full Demo Code:

1 usingMongodb.bson;2 usingMongodb.driver;3 usingMongoDB.Driver.Builders;4 usingSystem;5 usingSystem.Collections.Generic;6 usingSystem.Linq;7 usingSystem.Linq.Expressions;8 usingSystem.Text;9 usingSystem.Threading.Tasks;Ten  One namespacemongodbtest A { -     class Program -     { the         Static voidMain (string[] args) -         { -             varConnectionString ="mongodb://localhost:27017"; -             varClient =Newmongoclient (connectionString); +             varServer =client. Getserver (); -             varDatabase = Server. Getdatabase ("Test"); +             varCollection = database. Getcollection<entity> ("entities"); A             varentity =NewEntity {Name ="Tom" }; at             vari =collection. Insert (entity); -             varID =entity. Id; -  -             varquery = Query<entity>. EQ (E =e.id, Id); -entity =collection. FindOne (query); -Entity. Name ="Dick"; in             vars =collection. Save (entity); -  to             varUpdate = Update<entity>. Set (e = e.name,"Harry"); + collection. Update (query, update); -  the  * collection. Remove (query); $ Panax Notoginseng Console.readkey (); -  the         } +  A  the     } +      Public classEntity -     { $          PublicObjectId Id; $          Public stringName {Get;Set; } -     } -  the}

Mongodb-getting Started with the C # Driver