var Invoice1Total = document.getElementById("EditRecordInvoice1Total").value;
var Invoice2Total = document.getElementById("EditRecordInvoice2Total").value;
var Invoice3Total = document.getElementById("EditRecordInvoice3Total").value;
var NetCost = Invoice1Total + Invoice2Total + Invoice3Total;
I found this questions asking how to do this in many different forums, so I will describe here how to implement a solution using PHP and AJAX.
The logical flow for the problem should be:
Write an event handler for the first drop down box to get …
In this fourth video of the Xpdf series, we discuss and demonstrate the PDFinfo utility, which retrieves the contents of a PDF's Info Dictionary, as well as some other information, including the page count. We show how to isolate the page count in a…