How to access fields of dynamically created store and its model fields

How to access fields of dynamically created store and its model fields

References

Reference NO 1

http://stackoverflow.com/questions/15196757/how-to-access-fields-of-dynamically-created-store-and-its-model-fields

Reference NO 2

http://stackoverflow.com/questions/10789433/extend-ext-data-model-add-fields-dynamically

Reference NO 3

http://stackoverflow.com/questions/9837430/extjs-4-dynamic-model-fields

Reference NO 4

http://mongoid.org/en/mongoid/docs/documents.html

Reference NO 5

http://office.microsoft.com/en-us/access-help/add-a-field-to-a-table-HA010072883.aspx

Reference NO 6

http://docs.sencha.com/ext-js/4-0/

Reference NO 7

https://docs.djangoproject.com/en/dev/howto/custom-model-fields/

Reference NO 8

http://south.readthedocs.org/en/latest/customfields.html