Sort the table entries and update the identifier

Within my table, there is an [object HTMLInputElement] and I am trying to change the id of this element. However, the usual method I am using doesn't seem to be working:

`function BindFunctions() {

        $('table[id*="tbl_main"]').tablesorter();
        $('table[id*="tbl_main"]').bind("sortEnd",function() { 
            var table = document.getElementById('<%=tbl_main.ClientID%>');
            for (var i = 0, row; row = table.rows[i]; i++) {
                var e = row.cells[0].firstChild;
                e.id= '5';           
            }
        }); 
    };`

Is there anyone who can provide assistance with this issue?

Answer №1

It can be quite challenging to provide assistance without examining the relevant markup. My assumption is that the initial child of the cell is a text node instead of an element. The DOM firstChild property retrieves the initial node, whether it is an element or not. For instance, if your table row is structured like this:

<tr><td>Foo</td></tr>

...then row.cells[0].firstChild will be a text node containing the text "Foo".

It is also important to note that the code provided will lead to an invalid DOM structure: Using the same id on multiple elements within the document is not permissible. In this case, you are attempting to assign the id value of "5" to the first child element of every row. id values must be unique.

Additionally, it appears that jQuery is being utilized (even though the question has not been tagged with jquery). It is worth mentioning that while "5" is an acceptable id value in HTML, it is not valid for use as a id value in CSS. Since jQuery employs CSS-style selectors, using invalid CSS id values with jQuery can present issues.

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