jquery-1.4.4.min.js Script error in IE8

[hasan]

Cannot allowed to enter or key press a char in Asp.net text box in asp.net MVC 2 application. It raises the following error when we press a key on the textbox every time.

Microsoft JScript runtime error: 'undefined' is null or not an object

Please give your suggestion if anybody face same issue. The textbox is placed inside the Telerik MVC grid control for filtering.


Thanks.