http://stackoverflow.com/questions/9112124/remember-column-width-position-and-invisible/9112449#comment11447979_9112449
Here is example how to create modal windows constrained to panel.
http://stackoverflow.com/questions/8954253/how-to-use-json-with-extjs
How to change extjs grid single cell background color depending on value changes? http://stackoverflow.com/questions/8034694/how-to-change-extjs-grid-single-cell-background-color-depending-on-value-changes
form with red asteriks
ExtJS 4.0.2a, HTML, CSS, JavaScript
roweditor field becomes disabled if some conditions are met
using directFn as the server side
sencha-touch example
Dojo 1.7.2, HTML, CSS, JavaScript
No-Library (pure JS), HTML, CSS, JavaScript
ExtJS 4.2.0, HTML, CSS, JavaScript