Question

i failed to pass the value to my script, anyone can tell me what is my mistake ?

output

Microsoft JScript runtime error: ‘$’ is undefined

my javascript function

function setSessionValue(key, value) {

    $.post('setSession.aspx?key=' + key + '&value=' + value);        
}

button to call for function

asp:LinkButton ID="lnkname" runat="server" Text='<%#Eval("movieTitle") %>' Width='500px'
CommandName="cmdLink" PostBackUrl='~/videotest.aspx'` 
OnClientClick="setSessionValue('itemID','3345');"

Answer 1

have you included jquery js files in your page?

<script 
     type="text/javascript"          
     src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js">
</script>