jQuery Grid Plugin - jqGrid

Hi,

I am using jqgrid JSON format with PHP Zend frame work.

When I am rendering the grid, then I  got a js error 'ts.rows is undefined' FF , 'ts.rows.length' is null or not an object in IE 7.0 and data is not loaded. It is showing Loading… image.

When I am using same code with normal PHP it is working. In both cases (with Zend and without Zend) the JSON data is same.

The json data looks like

{”page”:”1″,”total”:1,”records”:”1″,”rows”:[{"id":"1","cell":["","Hi","2010-01-19","00:00:12","123456","Show&Tell","Open","New"]}]}

Please give me some clue to over come this error.

Thanks,

Kutty