DBDilli Babu Nandha Gopal Syncfusion Team April 28, 2016 09:31 AM UTC
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In provided sample, the values of column header are changed in second worksheet of the workbook i.e. 2016. Please find the screen shots of code example and the generated excel file in the below table.
Generated Excel file
As the sheet index in worksheet collection’s item is zero-based, the given code in the sample refers only the second sheet and so changes are reflected in it. If you are still facing this issue, please provide us your working Syncfusion assembly version along with machine culture information which will be helpful for us to provide you the prompt solution at the earliest.