JavaScript function for exporting HTML table to Excel with the ability to choose the file name

My current challenge involves a function used to export HTML to Excel:

function generateexcel(tableid) {
  var table= document.getElementById(tableid);
  var html = table.outerHTML;
  window.open('data:application/vnd.ms-excel,' + encodeURIComponent(html));
}

The issue at hand is the inability to specify a file name for saving, resulting in users seeing something like this:

Do you want to save %3Ctable%20id%3D%22tableRslts%22%20tabindex%3D%2235%22%20 file?

And the saved file turns out as:

IytvT8Jo.xls.part.xls (primarily experienced on Firefox, our selected browser)

How should this be rectified?

javascriptasp.netexcelexportexport-to-excel

Answer №1

If you're looking to achieve this functionality, there are two options worth exploring:

  • Filesaver API is a cutting-edge 'HTML5' feature that allows for the exact functionality you need. The only downside is that Firefox doesn't fully support it yet. To work around this, you can use a convenient wrapper library like filesaver.js.
  • Downloadify offers a flash-based solution for the same purpose. You can access it here. (Keep in mind: requires Flash)

Answer №2

Have you already addressed this task? You may need to incorporate the following snippet into your aspx page:

$(window).load(function(){
$( "#clickExcel" ).click(function() {  
var dtltbl = $('#dtltbl').html();    `enter code here`
window.open('data:application/vnd.ms-excel,' + $('#dtltbl').html());
});
});//]]>

In the provided script, #dtltbl refers to the Table Id.

To resolve the issue, make sure to include the following code in your server-side programming:

           Response.AddHeader("Content-Disposition", "attachment;filename=myfilename.csv");

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