I have only just started to use jqGrid and I am finding that I cannot add a new row to my grid. I am using version 4.3.1 and the error is on line 8632. The exception is for the addParams when the page loads; SCRIPT438: Object doesn't support property or method 'indexOf' [+] businessUnitTypeId function() { return $(“#BusinessUnitTypes option:selected”).val(); } Object, (Function)

My code is as follows;