Detect adobe reader installed in C#.net page load . I have to show the client a message in page load and save the value in database(ie. whether adobe is installed or not).I have a problem if i use hidden field and javascript . I am unable to get javascript return value in hidden field in page load.

If i use _doPostBack("hidAcrobat","1"); the page get refreshed.

Can anybody suggest regarding this...

Thanks,

Karnan.S

 Hai,

  Just use this piece of javascript function code to detect Acrobat reader. This code gives the version of acrobat also. Just alert the acrobat.installed variable to the client user which solves your problem.

 
<script language="javascript">

function detectAcrobat()

{
var acrobat=new Object();

acrobat.installed=false;
acrobat.version='0.0';

if (navigator.plugins && navigator.plugins.length)
{
for ( var x = 0, l = navigator.plugins.length; x < l; ++x )
{
if (navigator.plugins[x].description.indexOf('Adobe Acrobat') != -1)
{
acrobat.version=parseFloat(navigator.plugins[x].description.split('Version ')[1]);

if (acrobat.version.toString().length == 1) acrobat.version+='.0';

acrobat.installed=true;
break;
}
}
}
else if (window.ActiveXObject)
{
for (x=2; x<10; x++)
{
try
{
oAcro=eval("new ActiveXObject('PDF.PdfCtrl."+x+"');");
if (oAcro)
{
acrobat.installed=true;
acrobat.version=x+'.0';
}
}
catch(e) {}
}

try
{
oAcro4=new ActiveXObject('PDF.PdfCtrl.1');
if (oAcro4)
{
acrobat.installed=true;
acrobat.version='4.0';
}
}
catch(e) {}

try
{
oAcro7=new ActiveXObject('AcroPDF.PDF.1');
if (oAcro7)
{
acrobat.installed=true;
acrobat.version='7.0';
}
}
catch(e) {}

}
alert(acrobat.installed);
alert(acrobat.version);

}
</script>
 

 I hope this could solver your problem....

Thanks,

eshwar.