To enable and disable asp.net linkbutton using javascript via php

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Hi
I want to enable and disable link button in asp.net page. i loaded that asp.net page from iframe tag.

That iframe tag embedded in php page.

Have any way access that asp.net page disable linkbutton.

I have used the following code but its of no use any help will be valued the most

'ifrm - id of iframe tag.'
iframe = document.getElementById('ifrm');

'access iframe content, what i loaded inside'
var iframeDoc = iframe.contentDocument || iframe.contentWindow.document;

'here i want disable link button, which is present that loaded page.'
But giving error
document.getElementById('iframe').parentNode.removeChild(document.getElementById('LinkButton1'));

'above line detail'
LinkButton1 is the ID of button present in that asp.net page.

pls give me a solutions..

Posted 7-Mar-13 4:46am

hari301

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nitin bhoyate · Answer 1 · 2013-03-07T05:33:00

Solution 1

In Asp.net page Use

<asp:hyperlink id="HyperLink1" runat="server" visible="<%#CheckVisible()%>" font-size="Medium" target="_blank" xmlns:asp="#unknown"> <%#Eval("HypaerLinkText")%>

and in Code behind form write logic of the showing visibility like

public bool CheckVisible()
{
bool visible=false;

if(a==0) //check your logic here
{
visible=true;

}
return visible;
}

Posted 7-Mar-13 5:33am

nitin bhoyate

Comments

hari301 7-Mar-13 11:38am

that aps.net page not created by myself.. its 3rd party page. then have any other way from access that page.

hari301 7-Mar-13 11:42am

pls see this link
http://www.codeasp.net/assets/demos/blogs/disable-linkbutton-with-jquery.aspx

In this page contains, linkbutton,disable button & enable button.
if i click the disable button, the link button disabled..

i want like this, while the iframe content load, i need to disable that linkbutton.

nitin bhoyate 7-Mar-13 12:23pm

Then you need to call the function/code of disable button at time of iframe load

For this you can use iframe onload event

see details here

http://www.w3schools.com/jsref/event_frame_onload.asp

hari301 8-Mar-13 0:25am

almost i reached.. but i dont know how to select the particular element, which loaded on inside of iframe. can you tell me pls..

nitin bhoyate 9-Mar-13 5:54am

http://stackoverflow.com/questions/1088544/javascript-get-element-from-within-an-iframe

This link might help you

Plz share your code snippet so that i can look over