CODEWITHSUNDEEP
javascriptasp.netvb.net
Chris Nurse
Chris Nurse

Reputation: 1

Can't seem to retrieve session value or control value on .aspx page javascript function

Wonder if anyone can help as im really stuck on a problem i'm having

Using vb.net I have a web application with several .aspx pages.

on one of my aspx pages I have a javascript function that i want to retrieve a pdf path from a session value i set within code behind. After searching the web everywhere seems to say use something like the following

var pdf_link = '<%=Session["pdfpath"].ToString() %>';

here is the javascript function:

                function showmodal() {
                var pdf_link = '<%=Session["pdfpath"].ToString() %>';
                var iframe = '<div class="iframe-container"><iframe src="' + pdf_link + '"></iframe></div>'
                $.createModal({
                    title: 'PDF Preview',
                    message: iframe,
                    closeButton: true,
                    scrollable: false
                });
            }

to get the value but i get an error message before i can even compile 'Identifier Expected' and it highlights between the [" as being the problem area. i just can't get this to work what am i doing wrong.

Also because i couldn't workout what was wrong with the above i have tried saving the value i want into a hidden field and tried to access that using the following

document.getElementById("PdfPathHiddenField").value

but that just returns null all the time. I just can't seem to access anything within my javascript function.

What i also see as odd is for instance when debugging i have say page1.aspx and page2.aspx. From page1.aspx in code behind on a button click i use

Response.Redirect("~/page2.aspx")

When I have stopped the debugger within my javascript function on page2.aspx to retrieve the value i notice that the tab with the code where the debugger has stopped for page2.aspx is titled page1[Dynamic] but it is the correct source from page2.aspx not page1.aspx really confused as shouldn't it say page2[Dynamic] on that - is this why i maybe can't seem to access any controls as it thinks it's elsewhere ???? Help

Thanks in advance any help would be much appreciated.

Upvotes: 0

Views: 482

Answers (1)

K. Weber
K. Weber

Reputation: 2773

In VB.NET arrays have parentessis, Session("pdfpath").ToString(), in C# or javascript you can use square brackets, but not in VB.

PS: Remeber to mark this an answer if it's a solution for your problem

Upvotes: 0

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