https://learn.microsoft.com/zh-tw/dotnet/api/system.data.common.dataadapter.missingmappingaction?view=netframework-4.8.1&viewFallbackFrom=net-10.0
DataAdapter.MissingMappingAction Property (System.Data.Common) | Microsoft Learn
Determines the action to take when incoming data does not have a matching table or column.
property systemdatacommonmicrosoftlearn