Ext. Form. ComboBox setvalue ()

When a listeners is added to the store, set the corresponding key value in the combox. Html Code

2. VaRNodenamestore=New EXT. Data. jsonstore ({
4. URL: Listener
6. + '?Classname=ETL. DB. node &Methodname=Getallnodejson&Paramcount=0',
8. Totalproperty: 'results ',
10. Root: 'root ',
12. Fields: ['nodeid', 'nodename'],
14. Listeners :{
16. Load: function (){
18. Nodename.Setvalue(Nodename. getvalue ());
20. }
22. }
24. });
26. Nodenamestore. Load ();
30. VaRNodename=New EXT.Form. ComboBox ({
32. Xtype :"Combo",
34. Name: "nodename ",
36. Fieldlabel: "job node ",
38. Displayfield: 'nodename', // value displayed in the drop-down list
40. Valuefield: 'nodeid ',
42. Store: nodenamestore,
44. Triggeraction: 'all ',
46. Editable: false,
48. Allowblank: false,
50. Emptytext: 'select a job node ',
52. Selectonfocus: True
54. });
56. Nodename.Setvalue("1 ");

VaR nodenamestore = newEXT. Data. jsonstore ({URL: Listener + '? Classname = ETL. DB. node & methodname = getallnodejson & paramcount = 0', totalproperty: 'results', root: 'root', fields: ['nodeid', 'nodename'], listeners: {load: function () {nodename.Setvalue(Nodename. getvalue () ;}}); nodenamestore. Load (); var nodename = newEXT.Form. ComboBox ({xtype :"Combo", Name:" nodename ", fieldlabel:" job node ", displayfield: 'nodename', // valuefield: 'nodeid', store: nodenamestore, triggeraction: 'all', Editable: false, allowblank: false, emptytext: 'select job node', selectonfocus: true}); nodename.Setvalue("1 ");
 

In this way, the correct dispalyfield is automatically displayed during the settings;

From http://tanlingcau.javaeye.com/blog/588916