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C sharp driver for mongo db how to#
C sharp driver for mongo db drivers#
C sharp driver for mongo db download#

Delete Departments, this will delete all the departments available in the departments collection.

Get Employees, this will display the sample data created for employees collection, in the grid placed on the form.

Get Departments, this will display the sample data created for departments collection, in the grid placed on the form.

Create Data, Create sample data for Departments and Employees collections (keep remember, at first time you query any particular collection, mongoDb automatically create these collections if not already created).

This sample application contains one form with different buttons:

C sharp driver for mongo db download#

So you must download that driver and add references for the driver's essential libraries in your project, such as:Īt the time of executing this application, make sure that the MongoDB server is running.

C sharp driver for mongo db drivers#

There are some drivers available for communicating with MongoDB from C#.NET, I prefer to use the official driver recommended available here. So I put together that scattered information I founded on several sites to compile into a real practical sample application. Therefore, I wrote this article to provide a complete sample to use MongoDB from C#.NET for the developer community who wants to start with this new technology. I was looking for such a sample example for MongoDB in C#.NET, but after reasonable searching I did not find any real practical tutorial showing a complete example to communicate with MongoDB.

C sharp driver for mongo db how to#

> System.IO.This article explains how to communicate with MongoDB from C#.NET, providing an example. : An exception occurred while receiving a message from the server. Inspecting the inner exception will provide the actual details of the error. These will always manifest as a MongoConnectionException>. It is then possible correllate the error you are seeing in your application with an error in the server logs." - MongoDB Docs Connection errorsĪ server may go down after it was selected, but before the operation was executed. The server exception contains a ConnectionId which can be used to tie the operation back to a specific server and a specific connection on that server. In many cases, they also inherit from MongoServerException. "Most of the exceptions that are thrown from an operation inherit from MongoException. Unlike connection errors, it is sometimes possible to take action at runtime.

Operation errors in MongoDBĪfter successfully selecting a server to run an operation against, errors are still possible. > : Command saslStart failed: Authentication failed.įixing this problem either involves adding the specified user to the server or restarting the application with the correct credentials and mechanisms. > : Unable to authenticate using sasl protocol mechanism SCRAM-SHA-1. HeartbeatException: ": An exception occurred while opening a connection to the server. Just open your database and use following command:ĭb.adminCommand( ", In this case, you need to do a very simple thing. Setup failed: Command insert failed: Client Error: bad object in message: Cannot use decimal BSON type when the featureCompatibilityVersion is 3.2. Sometimes you can find the following error: NET driver you will find a few types of errors - I will describe them below. Errors will appear only when you will try to perform a specified operation. The reason of that situation is very simple, we are trying to connect to servers in the background, if problem occur, application will continually try to reconnect. Basically, you won't receive an error when you will construct a MongoClient, try to get database or try to get collection. Profesionally, almost all errors will occure while performing an operation on the server.

But you should know that it's not enough to think that your ecommerce application is immune to errors. What does it mean for you? Failover allows a secondary member to become a primary if the current one becomes unavailable.

The main advantage of MongoDB is fact that there is a high availability of replica set. Using automatic failover, MongoDBs replica sets provide high availability. NET driver is one of the requirements for a fault-tolerant system. There is a lot of requirements which you should meet to create a successfull and powerfull e-commerce system. Since you want to open an online store, you need to think about security and performance.