unable to import OleDbConnection in dotnet core entity framework

Question

unable to import OleDbConnection in dotnetcore entity framework while transferring data from excel to sqlserver

Answer 1

OleDb is not available in .NET Core, probably because it's not cross platform.

Have a look at the System.Data.OleDb Namespace in .NET Core 2.0.

Alternative
For a decent alternative, have a look at the answer to this Stack Overflow question: How to get OleDb for reading excel in asp.net core project