Question

how to check the link button visible in jquery. Below code is not working?

 if ($('id*="LnkBtn"').is(':visible')) { // check visibility
                    if (!Validatechecked("SrvRgnMDD")) {
                        $('#<%=Valid.ClientID%>').html("*");
                        passtest = false;
                    }





 <asp:LinkButton ID="LnkBtn" runat="server" Text="Show Details" AutoPostBack="true"
                                        CausesValidation="False" OnClick="MktallocLnkBtn_Click" />

Answer 1

Try fixing your selector – I’m assuming you want to use the attributes selector

 if ($('id*="LnkBtn"')

to

 if ($('[id*="LnkBtn]"') // <-- notice the brackets

Though if you are trying to target only one element.. Just use the ID selector

$('#LnkBtn')

You can read up on the different selectors here http://api.jquery.com/category/selectors/