Problem for printing using javascript

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I have a two problem for printing I am writing javascript function for print div.
In my div I am creating payslip for employee. So I assign the values that div for every employee and print. So I call javascript function in loop. But the print window is open when the loop is finished.
And another problem is I want to print div automatically with default printer, without opening dialogue box how to do it? using javascript. help me...
Thank u.....My javascript function is

JavaScript

function PrintDiv() {
    var divToPrint = document.getElementById("<%=Printable.ClientID%>");
    var popupWin = window.open('', '_blank', 'width=300,height=300');
    popupWin.document.open();
    popupWin.document.write('<html><body  önload='window.print();'>' + divToPrint.innerHTML + </html>');
            popupWin.document.close();
}

for (int i = 0; i < GridView1.Rows.Count; i++)
        {
            CheckBox chk = (CheckBox)GridView1.Rows[i].Cells[0].FindControl("chkselect");
            if (chk.Checked)
            {

                Salaryproccess();
                Page.ClientScript.RegisterStartupScript(Page.GetType(), "Script", "PrintDiv();", true);
            }
        }

Posted 25-Nov-12 20:15pm

devausha

Updated 25-Nov-12 22:28pm

v4

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bbirajdar · Accepted Answer · 2012-11-25T22:50:00

As a developer, AND a user, I personally HATE this behavior (skipping the print dialog).

This is my #1 annoyance with MS Word, thank goodness most applications didn't follow suit.

I typically have access to at least 4, if not more printers... plus the ability to print to a file, or a PDF.

If I don't get the opportunity to pick: (a) what printer, (b) what paper size, (c) what orientation, (d) what scale, (e) color vs. black & white, and (f) what print quality, I get very upset.

These are user options and preferences. Unless you have a very good reason to avoid uses choosing these options, please do not remove the users choice.

Edit: 27 Nov 2012

Basically the print dialog is a security feature built into the web browsers.

Imagine a scenario where you visit a Domino's website to order pizzas and without clicking anything on the page , your printer begins printing the pizza menus on the printer attached to your machine until the printer runs out of paper. Will you be happy with it?

So the browser does not allow to print unless the user approves the print action. Since this is a browser feature , you cannot override it.

The workaround for your scenario mentioned in your comment below is to generate a 100 page pdf for printing 100 pages at a time.