I want check value against values of one column of datagridview using jQuery?

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C#

ASP.NET

jQuery

var sSearchTerm = $('#<%=txtSearch.ClientID%>').val(); //Get the search box value
               if (sSearchTerm.length == 0) //if nothing is entered then show all the rows.
               {
                   $("#<%=dgv_AcadamicYear.ClientID%> tr:has(td)").show();
                   return false;
               }
               //Iterate through all the td.
               $("#<%=dgv_AcadamicYear.ClientID%> tr:has(td)").children().each(function () {
                   var cellText = $(this).text().toLowerCase();
                   if (cellText.indexOf(sSearchTerm.toLowerCase()) >= 0) //Check if data matches
                   {
                       $(this).parent().show();
                       iCounter++;
                       return true;
                   }
               });

Above code search value in all columns of GridView. I want to search in a single column say for example StudentID is a one column and I am searching for ID 1 in only single column