Dapper Tutorial - Knowledge Base (KB)

How to use Dapper to connect to MySql?

I am new to .NET. I am interested in using the Dapper micro-ORM to access a MySQL backend from an ASP .NET application. ...Can this be done? What do I need to know to get started?

What best practices to use for connection and query in Dapper?

So i've read a bunch of links/SO questions, but i still can't get a clear answer on this....When performing SQL queries with Dapper in an ASP.NET application, what is the best practice for opening/closing connections?...Here's the pattern i'm currently fo...

How in ASP.NET Web API and Dapper, do you send an array of arguments?

Creating a Web API through which array of id is passed and returns the result from the OracleDB....public class SampleController : ApiController { public string Getdetails([FromUri] int []id) { string inconditons = ""; for (int i = ...

Using Visual Studio and Dapper, how do I use a connection string?

I am trying to get a Connection String set up in my .Net Core application but i keep getting the error:...System.NullReferenceException: 'Object reference not set to an instance of an object.'...I have tried adding the following to ...appsettings.json...:...

How in Dapper I pass argument to a select query in an Oracle database?

I'm trying to pass parameters to Dapper for a select query in an Oracle database, but somehow, it doesn't work with the ":" identifier....It works fine using string concatenation :...string req = "SELECT * FROM contact WHERE code_comite = '"; req ...

When inserting, updating, or deleting a record, how to get the ID with Dapper?

When I insert or update or delete an entity with Dapper, I need to return the ...id... of entity. ...I am using this code : ...var role = await roleConnection.ExecuteAsync("UPDATE Role SET IsDelete = @isDelete, RoleName = @roleName, SecurityStamp = @secur...