Then change template which shows selected value how to set a value for one property for every record in an array. How to change css of a grid cell of a row in Extjs 4.1.3.If you select more than one value the combobox displays "x values selected" rather than simply concatenating the selected values. ExtJs ComboBox unique values. I have a ComboBox with data coming from a JsonStore.When Im going to set the ComboBox selected value with setValue(), ExtJs dont fire select event How can I fix t. how to apply images to selected elements combobox in extjs 4.0. I am new to ExtJS a few weeks old, so please pardon me if this seems to be a trivial query. I have to load the list of values in a combo box (SourceSystem) based on value selected in another comboInstead of putting an event on combobox, I updated the reload of store to set first value in combo.