Insert data to SQL table by uploading excel file.

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I am developing asp.net MVC 5 application and I have to develop uploading a large excel file and save its data to the Database.

So, now what I have done is, uploading the file and reading it at the back and create a data model list using that file. Ultimately, the file has nearly 1 million records and it takes to very large time to process and insert.

So, I take nearly a week and still was unable to this correctly and fastest way. So can you help me to do that fastest way using c#(MVC5)?

Thanks All.

What I have tried:

I take nearly a week and still was unable to this correctly and fastest way.

Posted 6-Feb-20 18:59pm

eweqee

Updated 6-Feb-20 20:42pm

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Maciej Los 7-Feb-20 2:36am

It depends on method you are "reading it at the back and create a data model list". Show your code!

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Maciej Los · Answer 1 · 2020-02-06T20:42:00

Please, read my comment to the question.
I'd suggest to follow these steps:
1) create OleDbConnection[^] to MS Excel file, execute select command[^] and load data into datatable[^]
2) create SqlConnection[^] and use SqlBulkCopy class[^] to copy data from datatable to MS SQL Server database

That's all!