I want to call an aspx page that creates a PDF file from current aspx page but I don't want to wait for the other page to complete. It takes a long time for the PDF to be created and the user doesn't care that it is being created.
I tried Server.TransferRequest and that seems to work except the page I am working on shows the "response.write" from the page I called. I want the called page to simply run and I don't want to know about it after I call it.
How can I simply execute another page and "forget it". Unfortunately, the PDF utility is required to be run on an actual aspx page and cannot be called in a function.
Protected Sub Button3_Click(sender As Object, e As EventArgs) Handles Button3.Click
Response.write("This should show on the current page")
Server.TransferRequest("/Invoicing/PDFGenerator.aspx")
Response.write("This second line should show on the current page but does not")
End Sub
I've looked at async info but it is not clear if that is what I have to do here.
The iframe
approach might work. Create a hidden iframe on your page and load the .aspx page into it as needed.
// add query string if needed.
$(".hiddenIframe").attr("src", "pdf-generator.aspx?fname=" + fname + "&fid=" + fid);
When the page is loaded (via 'src') the code-behind will execute.
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