File Type Validation using Java Script

Step 1:

Create
a File browse item.

Step 2:

Create
a button to submit the page. Give the Action when Clicked as Defined by Dynamic
Action.

Step 3:

Create
a Dynamic Action with execution of JavaScript as

function
validateEstimation() {

var IsValid = true;

var
estimate_file=$(“#P13_ESTIMATE_FILE”).val().trim();

if (IsValid) {

var exist_file= “”;

if($(“#P13_DOWNLOAD_FILE”).length
> 0) exist_file = $(“#P13_DOWNLOAD_FILE”).html();

if (estimate_file == “”
&& exist_file == “”) {

IsValid
= false;

alert(“Please select
estimate file.”);

}

else if (estimate_file
!=””)

{

estimate_file = estimate_file.substring(estimate_file.lastIndexOf(“.”));

//alert(estimate_file);

var allowedFormats =
“|.pdf|.xls|.doc|.xlsx|.docx|”;

if
(allowedFormats.indexOf(“|” + estimate_file + “|”) == -1) {

IsValid = false;

alert(“Invalid
Estimate file format selected.”);

$(“#P13_ESTIMATE_FILE”).val(”);

}

if (!IsValid) return false;

}

This
Java Script function helps to accept .pdf,.xls,.doc,.xlsx,.docx files.

A.Arun Kumar

Doyensys