I am not sure if that is exactly what you want. Ext.application(name: Fiddle,launch: function () run()window.show())function run() var myStore Ext.create In ExtJS 4.0.7 we can set combobox value by valueField, displayField or an object.text: Set value by name, handler: function () . this.up(form).down( combo-2).setValue(User-2) Sencha Extjs 6.2 : Edit object values in cell grid. EXT JS Get ID on selection by column renderer.What approach should be used to implement the rendering loop in a text editor?In my application I have this combobox. I want to display the panel depending on the selected item in the combobox. The target selects options will be used to build the options in the ComboBox dropdown a configured store will take precedence over this.extjs-text-field-ui (list ) Creates a visual theme for text fields.