you have to check you JSON data on
is the data exist or not..try to debug with that..
sorry for late respons sir,,data already exist sir
this is json getListWel when i'm test to open in browser :
[{"WELL_ID":"22","FIELD_ID":"22","WELL_NAME":"ALU-ALU E1","SPUD_DATE":"01-JAN-70","COMPLETION_DATE":"01-JAN-70","WELL_TYPE_ID":"22","WELL_STATUS":"AKTIF","TOTAL_DEPTH":"5638","ELEVATION":null},{"WELL_ID":"23","FIELD_ID":"22","WELL_NAME":"ALU-ALU E2","SPUD_DATE":"01-JAN-70","COMPLETION_DATE":"01-JAN-70","WELL_TYPE_ID":"22","WELL_STATUS":"AKTIF","TOTAL_DEPTH":"6003","ELEVATION":null}]
first time edit combobox not working like in my picture, i'm must to choose again that combo, and after that if i'm want to edit another data without refresh page that combobox work fine sir..