Edge date picker of ‘Ext.field.Date‘ is generally used on small form-factor devices. However, bug happens when you use multiple date fields. It was described by RC on stack-overflow and it took a bit more time for me to fix it.
Tag: bug
Grid as a widget grid problem
If you are using widget column (Ext.grid.column.Widget class) with content grid you will get error “Uncaught TypeError: Cannot read property ‘isModel’ of null” on clicking on the cell of the child grid.