I am using a function to save dataset tables to excel files (some xml method http://www.codeproject.com/info/search.aspx?artkw=xls+to+xlsx&sbo=kw ) in xls format(excel 2003) but the excel file which is created taking 10 times more file size than conventional one.
And after that when I am converting to excel 2007 format I am getting the normal size for that file.
Now can anyone tell me how to convert excel 2003 file format to excel 2007 file format programmatically through asp.net
Thanks everyone in advance.
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