Is there a way to access an Excel document using JavaScript code without relying on an ActiveX control object such as shown below:
var myApp = new ActiveXObject("Excel.Application");
myApp.workbooks.open("test.xls");
Is there a way to access an Excel document using JavaScript code without relying on an ActiveX control object such as shown below:
var myApp = new ActiveXObject("Excel.Application");
myApp.workbooks.open("test.xls");
I experimented with the following method and found success. Simply add ms-excel:ofe|u in front of the URL for a xlsx file. This technique functions properly in IE, Chrome, although I have not verified its compatibility with other web browsers. Interestingly, this is the same approach utilized by Microsoft One Drive's online platform to open encrypted xlsx files on end-user machines.
<a onclick="window.open('ms-excel:ofe|u|http://localhost/iis-server/test.xlsx')"> Open Excel </a>
It doesn't seem feasible to accomplish this task. JavaScript is typically sandboxed within the browser's process, preventing it from launching other applications.
One alternative approach could be to rely on the browser's knowledge that .XLS files are associated with Excel and programmatically change window.location to a URL pointing to an Excel file. However, this method would require users to have configured their browsers to open Excel files directly in Excel rather than saving them to disk.
One interesting fact is that Javascript can actually open .xlsx files because they are formatted as ZIP packages. There have been experiments done with XForms to demonstrate this functionality: http://www.w3.org/community/xformsusers/2012/12/19/editing-zip-with-xforms/
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