MongoDB's C # Practice

Official drive: Https://github.com/mongodb/mongo-csharp-driver/downloads. After downloading, a Help document that resembles MSDN is also available.

Samus Drive: Https://github.com/samus/mongodb-csharp/downloads.

usingSystem;usingSystem.Collections.Generic;usingSystem.Linq;usingMongodb.driver;usingMongodb.bson;usingMongoDB.Driver.Builders;namespacetestmongodb{classProgram { Public Static stringConnectionString ="Mongodb://localhost"; //Database name        Private Static stringDatabaseName ="TestDb"; Static voidMain (string[] args) {            //add a piece of data//Users US = new users () {age = 123, Name = "Testnamea", Sex = "F"}; //us.            Insert (); //Delete a piece of data//Imongoquery iq = new Querydocument ("name", "Testnamea"); //Users.remove (IQ); //Modify a piece of data//Imongoquery iq = new Querydocument ("name", "Testnamea"); //imongoupdate IU = MongoDB.Driver.Builders.Update.Set ("Sex", "M").            Set ("Age", 100); //users.update (IQ, IU); //get a list of data//Imongoquery iq = new Querydocument ("name", "Testnamea");Imongoquery iq = Query.and (Query.gte (" Age", +), Query.matches ("name","/^test/"));//>40List<users> userlist =Users.search (IQ).            ToList (); foreach(Users Iteminchuserlist) {Console.WriteLine (item. Name+" "+item.            SEX); }        }         Public classUsers {Private Static stringTableuser ="Users";  PublicUsers () {} PublicUsers (string name, Int32 age, String sex) {Name=name; Age=Age ; Sex=sex; }             PublicString Name {Get;Set; }  PublicInt32 Age {Get;Set; }  PublicString Sex {Get;Set; }  PublicBoolean Insert () {bsondocument Dom=Newbsondocument {{"name", Name}, {" Age", age}, {"Sex", Sex}}; returnMongohelper.insert (Tableuser, DOM); }             Public StaticIenumerable<users>Search (imongoquery query) {foreach(Bsondocument tmpinchmongohelper.search (tableuser, query))yield return NewUsers (tmp["name"]. Asstring, tmp[" Age"]. AsInt32, tmp["Sex"].            asstring); }             Public StaticBoolean Remove (imongoquery query) {returnmongohelper.remove (tableuser, query); }             Public StaticBoolean Update (imongoquery query, Imongoupdate new_doc) {returnmongohelper.update (tableuser, query, New_doc); }        }         Public Static classMongohelper { Public StaticMongocursor<bsondocument>Search (String collectionname, imongoquery query) {//Defining MONGO ServicesMongoserver Server =mongoserver.create (connectionString); //gets the database that corresponds to DatabaseName, does not exist and is created automaticallyMongodatabase mongodatabase =server.                Getdatabase (DatabaseName); Mongocollection<BsonDocument> collection = mongodatabase.getcollection<bsondocument>(CollectionName); Try                {                    if(Query = =NULL)                        returncollection.                    FindAll (); Else                        returncollection.                Find (query); }                finally{server.                Disconnect (); }            }            /// <summary>            ///New/// </summary>              Public StaticBoolean Insert (String collectionname, bsondocument document) {Mongoserver server=mongoserver.create (connectionString); Mongodatabase Mongodatabase=server.                Getdatabase (DatabaseName); Mongocollection<BsonDocument> collection = mongodatabase.getcollection<bsondocument>(CollectionName); Try{collection.                    Insert (document); Server.                    Disconnect (); return true; }                Catch{server.                    Disconnect (); return false; }            }            /// <summary>            ///Modify/// </summary>               Public StaticBoolean Update (String collectionname, imongoquery query, Imongoupdate new_doc) {Mongoserve R Server=mongoserver.create (connectionString); Mongodatabase Mongodatabase=server.                Getdatabase (DatabaseName); Mongocollection<BsonDocument> collection = mongodatabase.getcollection<bsondocument>(CollectionName); Try{collection.                    Update (query, New_doc); Server.                    Disconnect (); return true; }                Catch{server.                    Disconnect (); return false; }            }            /// <summary>            ///removed from/// </summary>             Public StaticBoolean Remove (String collectionname, imongoquery query) {mongoserver server=mongoserver.create (connectionString); Mongodatabase Mongodatabase=server.                Getdatabase (DatabaseName); Mongocollection<BsonDocument> collection = mongodatabase.getcollection<bsondocument>(CollectionName); Try{collection.                    Remove (query); Server.                    Disconnect (); return true; }                Catch{server.                    Disconnect (); return false; }            }        }    }}

MongoDB's C # Practice