datatable.load has 3 options:
|
Load Option |
Description |
|
PreserveChanges (default) |
Updates the original version of the row with the value of the incoming row. |
|
OverwriteChanges |
Updates the current and original versions of the row with the value of the incoming row. |
|
Upsert |
Updates the current version of the row with the value of the incoming row. |
I can't make them clear, such as what is the original and current version. Could you explain them to me?