Cannot select grid element through jQuery - asp.net

Question

This is a follow-up question to ASP.NET How to pass container value as javascript argument
Darin Dimitrov has kindly provided his answer using jQuery,
But for some reason, I was not able to select the grid row I wanted to.
Here is the jQuery used to select row.
$(function() {
$('#_TrustGrid input[name^=trustDocIDTextBox]').each(function(index) {
$(this).click(function() {
alert('Hello world = ' + index);
setGridInEditMode(index);
});
});
});
Here is the actual output HTML markup.
<input
id="_TrustGrid_ctl16_ctl05_ctl00_trustDocIDTextBox"
type="text" value="198327493"
name="_TrustGrid$ctl16$ctl05$ctl00$trustDocIDTextBox"/>
I have just started using jQuery tonight and been going through the official jQuery Selectors documentation but have been unsuccessful.
Am I missing something here?

Answer 1

What I did to save the full id of the control I used in my .aspx page:
<input type="hidden"
id="SubcontractorDropDownID"
value="<%= SubcontractorDropDown.ClientID %>" />
You can then just get the value of the id and then use that in your query to know which row to use.

Answer 2

At first glance, I think you just want a '$' instead of '^' and you should be targeting the ID and not the NAME in your selector?
$(function() {
$('#_TrustGrid input[id$=trustDocIDTextBox]').each(function(index) {
$(this).click(function() {
alert('Hello world = ' + index);
setGridInEditMode(index);
});
});
});

Answer 3

I do not know why selecting through #_TrustGrid would not work.
I was able to get around the problem by specifying :input as shown below.
$(function() {
//$('#_TrustGrid input[id$=trustDocIDTextBox]').each(function(index) {
$(':input[id$=trustDocIDTextBox]').each(function(index) {
$(this).click(function() {
alert('Hello world = ' + index);
setGridInEditMode(index);
});
});
});