58578/fetch-excel-which-file-that-bulk-data-smart-contract-validate
There's a similar post here: https://www.edureka.co/community/43825/can-import-excel-files-into-contract-record-the-transaction
You can use the Oracle functionality for this. Oracle is a new feature that allows you to connect your Blockchain to the outside world. Refer to this.
You can not directly import an excel/csv file in your smart contracts but you have a few workarounds: Convert the data in the csv file into JSON file and use the JSON format in Smart Contracts. (Refer: https://www.blockchain.com/de/api/blockchain_api) Process the data in the csv file using client-side script like Javascript and then send this processed data to smart contract. Use Oraclize
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