In this blog post, you will learn how to call the C# function from SQL Server 2019. Sometimes we have a requirement like execute C# methods from SQL Server Stored Procedures or Triggers and Microsoft SQL Server does provide that feature.

Execute C# Method from SQL Server

Let’s get started by creating a .Net Class library and we have to make sure the target framework supports the Microsoft SQL Server feature of calling the CLR methods. In the following example, I have created a class library targetting .Net Framework 4.7.2 and will be using the class library methods in SQL Server 2019.

Make sure that the C# function we need to call from SQL Server is marked as static and also we need to decorate the function with Microsoft.SqlServer.Server.SqlProcedure attribute.

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