# DataFrame

`NodeOutputDataFrame` provides utility methods for interacting with a dataframe of a previous node.

### Methods

#### `row(index: Integer)` 

**Description:** Read the row at the given index from the node's dataframe output. **Example: row(1) or row(10)**.

**Parameters:**

* `index` (type: Integer): The row number (starting for 0).

**Example:** Search for columns in the row with the help of the autocomplete.

```javascript
VisualQuery_1.row(3).name
```

***

#### `totalRows(): Integer`

**Description:** Get the total number of rows in the dataframe.

**Returns:** An Integer representing the number of rows

```javascript
VisualQuery_1.totalRows()
```

***

#### `asJson(page: Integer, limit: Integer): JsonNode`

**Description:** Get the data of the table as a json rows.

**Parameters:**

* `page` (type: Integer): The page number (starting for 1).
* `limit` (type: Integer): The maximum number of rows.

**Returns:** A JSON of the selected part in the dataframe

```javascript
VisualQuery_1.asJson(1, 10);
```

***

#### `asText(page: Integer, limit: Integer): String`

**Description:** Get the data of the table as a textrows.

**Parameters:**

* `page` (type: Integer): The page number (starting for 1).
* `limit` (type: Integer): The maximum number of rows.

**Returns:** A String of the selected part in the dataframe

```javascript
VisualQuery_1.asText(1, 10);
```