When the update records, determine whether repeat, if repeated cancel the update record
How to implement
I have an example to upload
thanks
Hello Guo,
Thank you for your post!
I have been looking into your question. What I can suggest is to take a look at the following link, where a similar issue is discussed. On the second link you would be able to find more detailed information and also a sample application:
http://stackoverflow.com/questions/10114967/xamdatagrid-and-validating-a-cell-item-against-an-entire-collection ,
http://brianlagunas.com/validate-a-property-against-a-parent-collection/
Please do not hesitate to let me know if you have any further questions on this matter.
Thank you for your suggest
My problem is to modify one of the cell, found that repeated records, want to modify to cancel
What should I do？