Value
The Value component accepts a query and displays a formatted value inline in text.
By default, Value will display the value from the first row of the first column of the referenced data.
<Value data={query_name} /> <!-- First row from the first column -->Specifying Rows and Columns
Optionally supply a column and/or a row argument to display other values from data.
Row Index
row is zero-indexed, so row=0 displays the first row.
<!-- Show the **7th row** from column_name -->
<Value
data={query_name}
column=column_name
row=6
/>Example
Markdown:
The most recent month of data began <Value data={monthly_orders} />,
when there were <Value data={monthly_orders} column=orders/> orders.Results: 
Adding a Placeholder
Override errors with the optional placeholder argument. This is useful for drafting reports before writing your queries.
<Value placeholder="Report Date"/>
Formatting Values
Evidence supports a variety of formats - see value formatting and the fmt prop below for more info.
Options
Query name, wrapped in curly braces
- Options:
- query name
Column to pull values from
- Options:
- column name
- Default:
- First column
Row number to display. 0 is the first row.
- Options:
- number
- Default:
- 0
Text to display in place of an error
- Options:
- string
Format to use for the value (see available formats)
- Options:
- Excel-style format | built-in format | custom format
Sets behaviour for empty datasets. Can throw an error, a warning, or allow empty. When set to 'error', empty datasets will block builds in build:strict. Note this only applies to initial page load - empty datasets caused by input component changes (dropdowns, etc.) are allowed.
- Default:
- error
Text to display when an empty dataset is received - only applies when emptySet is 'warn' or 'pass', or when the empty dataset is a result of an input component change (dropdowns, etc.).
- Options:
- string
- Default:
- No records