How to keep DropDownList values between a server call in ASP.NET MVC3

How to keep DropDownList values between a server call in ASP.NET MVC3

References

Reference NO 1

http://stackoverflow.com/questions/13645676/how-to-keep-dropdownlist-values-between-a-server-call-in-asp-net-mvc3

Reference NO 2

http://stackoverflow.com/questions/12029009/implementing-dropdownlist-in-asp-net-mvc-3

Reference NO 3

http://stackoverflow.com/questions/12896244/how-do-i-add-more-than-one-dropdownlist-in-an-actionresult-in-mvc3

Reference NO 4

http://stackoverflow.com/questions/11345303/mvc3-list-information-used-for-dropdownlist-is-null-after-post

Reference NO 5

http://www.asp.net/mvc/tutorials/getting-started-with-ef-using-mvc/advanced-entity-framework-scenarios-for-an-mvc-web-application

Reference NO 6

http://datatables.net/forums/discussion/2518/how-to-use-server-side-processing-and-drop-down-menus-in-asp.net-mvc-2/p1

Reference NO 7

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Reference NO 8

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