c# - Getting error while writing output to Microsoft Excel programmatically -


i developed winforms application using c# in .net 4.0, in end user selects input excel file. program generates output excel file cells based on business logic of application.

after selecting input file , run application, if open other excel sheets on machine, see output excel file being still written in read mode , if close opened excel file application throwing error.

how stop read excel sheet getting opened before entire output written?


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