I need text box, drop down, calendar, Panel when drop down data is selected panel should open that contains controls text box, file upload index event should fire

Hi,

What i guess is that based on some value control should be loaded. If so refer the below links -

http://forums.asp.net/t/1923281.aspx?How+to+load+dynamically+user+control+partial+view+dynamically

http://stackoverflow.com/questions/5763634/asp-net-mvc-3-dynamic-controls

If you want to add dynamic controls at run time, try partial view. Create a partial view with your needs(textbox, drop down, calender etc..) when you select a drop down value , using jquery ajax call that partial and bind it in the place you need to create
dynamic control..