I insert a image to the sheet, and transform sheet to datauri format. I get a error message.
function SaveElnFile(e) {
var spreadSheet = GetSpreadsheet("ElnMain");
var sheet = spreadSheet.activeSheet();
spreadSheet.bind("excelExport", function (e) {
var fileName = "ElnTemplate/" + GetDateTimeString() + ".xlsx";
e.workbook.fileName = fileName;
var workbook = new kendo.ooxml.Workbook({
sheets: e.workbook.sheets
});
workbook.toDataURLAsync().then(function (dataURL) {
xxxxxx....
});
e.preventDefault();
});
spreadSheet.saveAsExcel();
}