Create Queued jobs in .NET Core

I want to create Queued Jobs in .NET CORE => When i upload a excel File with more than 5000 records.
the jobs reports the excel file about success, failure, error, records. Please a let me know how can i handle this when i upload file and close the browser. the job should take care of file and dump data into database with reporting.

Sorry, didn’t really get the problem… Can you explain a bit otherwise? Or provide more details?

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