## load(self, uid, filename) {#System.String-System.String}

Gets the JSON  string  of the file from the cache using the specified unique id,set the output filename in the JSON.


### Returns 


The JSON string


```python

def load(self, uid, filename):
    ...
```


| Parameter | Type | Description |
| :- | :- | :- |
| uid | System.String | The unique id for the file cache. |
| filename | System.String | Specifies the file name in the JSON. If set to null,the default filename is: book1. |



### See Also
* module [`aspose.cellsgridjs`](../../)
* class [`GridJsService`](/cells/python-net/aspose.cellsgridjs/gridjsservice)