Hi,
Following are the answers of your question:
1. How can i set the ViewData or TempData value from jQuery ?
You can not set the value of ViewData or TempData using JQuery. but you can pass the any value as Query or JSON format.
2. How can i get the Hidden Field Value to render the view in MVC 2.
You can get hidden field value using javascript. use following code to get value
<script lang="javascript">
function getHiddenValue()
{
var hidenvalue = documetn.getElemetById('hide').value;
alert("Value in hidden field is : " + hidenvalue);
}
</script>