Are there specific Dojo treegrid restrictions to prevent the display of the "Oops, an error occurred" message?

I have run into an issue with my Dojo treegrid JSON store. It works perfectly with a small number of items, but fails when handling thousands of items. I am wondering if there are any limitations on the number of items or childItems in the store, or if there is a limit on the size of the JSON object itself.

{
  "identifier": "id",
  "label": "name",
  "items": [
    {
      "id": "id1",
      "type": "year",
      "year": "2018",
      "childItems": [
        {
          "id": "id0",
          "projname": "Project 1"
        },
        {
          .....
        }
      ]
    },
    {
          .....
    }
  ]
}

Answer №1

When using the Dojo treegrid, you may encounter an error message indicating that there are multiple items with the same id. To resolve this issue, ensure that all "id" attributes in your "items" list have unique values. I successfully loaded over 20000 rows in my test setup, so it is likely that your data is malformed. You can add the following option to the grid to log any fetch-related errors:

onFetchError: function(err, req){
    console.log(err);
}

I hope this information proves helpful.

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