1. You receive data in a very simple format: TagX->ValueY. At least, the impression I get is that the data you receive allows you to make updates based on lookups in this fashion. 2.

C#, WinForm, MSSQL 2022, DevExpress (Report), Entity Framework CRUD (DevExpress) This video show you how to update and insert data in database from datagridview in c# .net or create a simple crud ...

There is a DataGridView for each DataTable, which the user can view to decide what to import. The issue arose when setting the DataGridViews before it was populated with data.