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My report is generated from Mysql Datasource. It includes Bar Chart and Line Chart. In the export.php file, the excel extention is set to export.xlsx. When I click on export I get the message:
Please any assistance?.
When I changed the excel extension to export.xls, the result was gibberish:
Your exported excel file is not formatted correctly because of warning message strings at the beginning. Pls make sure that your chart's datasource has the following condition:
1 . There's at least of row of data 2 . Column names are all correct case sensitively 3 . The first column must be of type string/datetime and the rest ones must be of type number.
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