Dropdowncascading in mvc3 razor databasefirst

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Hi all,

I am doing Mvc3 razor database first application in this i am doing Dropdowncascading for countries and states actually i am following this example

http://www.c-sharpcorner.com/uploadfile/2124ae/cascading-dropdown-list-in-asp-net-mvc-2-using-jquery/

but i am getting errors like "Object reference not set to an instance of object".

Can anyone help me Plzzzzzz.

Thanks,

Posted 28-Dec-12 2:28am

kavithabonala

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kavithabonala 28-Dec-12 8:43am

Can anyone give me the correct answer?????????

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Sandeep Mewara · Accepted Answer · 2012-12-28T03:03:00

Object reference not set to an instance of an object
This error happens when you try to use a property or call a method of an object that is null. More details: here[^]

A simple use of Visual studio DEBUGGER can tell you the object because of which it is happening. Just look at the stack trace and put a debugger on that line. Check the objects of that line and see if any one is null and you are trying to use that objects property. Handle the same.