https://learn.microsoft.com/ko-kr/dotnet/api/system.data.oledb.oledbdataadapter.fill?view=netframework-4.8.1&viewFallbackFrom=net-10.0-pp
OleDbDataAdapter.Fill Method (System.Data.OleDb) | Microsoft Learn
Adds or refreshes rows in the DataSet to match those in an ADO Recordset or Record object.
system datafillmethodoledbmicrosoft