Best Practices for uploading files to database

Question

I am looking for any best practices or ideas on how you would create an interface with a DB from a .NET web application to upload data from Excel files Should I use a mechan

Answer 1

If data integrity in your DB is important, do not allow data to be imported that has errors or does not meet the validation requirements of your DB.

Since these are Excel files, it should be easy enough for the user to correct the data in the Excel file, instead of trying to use another interface to fix the data. Just make sure the error messages direct the user to what field is the problem and clearly explain what is wrong.