Ext.data.Store with composite Primary Key

[ebald]

Two questions.

How could I define a JsonReader with a composite primary key:

The primary key is composite by two fields:

• dot_id_document_type
• cli_tx_document_number

The JsonReader definition:

var reader = new Ext.data.JsonReader({
root : "rows",
totalProperty : "results",
id: ???
}, Client);

2. How could I rescue the row from the grid?

record = ds.getById(The component espects an String here, and so?);

Thank you, but I

[Condor]

Use:

var reader = new Ext.data.JsonReader({
  root: "rows",
  totalProperty: "results",
  id: 'dot_id_document_type + "-" + obj.cli_tx_document_number'
}, Client);

and

record = ds.getById(dot_id_document_type + '-' + cli_tx_document_number);

[ebald]

I like that solution, but is there any possibility that the JsonReader doesn

[Condor]

It's:

id: 'dot_id_document_type + "-" + obj.cli_tx_document_number'

getJsonAccessor creates the following function for your id:

new Function("obj", "return obj." + id)

[ebald]

Thank you very much!!