06:45:44 Load from Excel2007 file<br />06:45:45 Update cell data values that are displayed in the chart<br />06:45:45 Write to Excel2007 format<br />06:45:45 File written to 34chartupdate.xlsx<br />06:45:45 Peak memory usage: 7.25 MB<br />06:45:45 Done writing file<br />File has been created in D:\wwwroot\dorm\vendor\phpoffice\phpexcel\Examples<br />