ExtJS4.2 instance: Table (GRID) with editable drop-down list (Combobox)

This tutorial is for editing a table (grid) with a drop-down list (Combobox), where the save is editable, showing the result slice:

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Example code:http://www.itdatum.net/webui/extjs/2014/08/7926.html

Online Demo:http://www.itdatum.net/online/extjs/examples-itdatum/grid-with-combobox-editable/ Grid-with-combobox-editable.html

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