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Excel Error-In the Excel File multiple Sheet with pivot Table ,Excel Write Issue


Hi All team / I have the following issue and I hope you can help / explain it to me.
I Have one template of excel file ,in this excel file 1st sheet is pivot table and 2nd normal data sheet ,but right now problem is donot wite this file some exception through NPOI ( using XSSFWorkbook) .
Exception Is -( The method or operation is not implemented.) I try to solved this issue but i could not solved.
So please give me better solution on this issue.