Expression Editor
- 2 minutes to read
This document describes how to use the Expression Editor to specify expressions in the End-User Report Designer.
Invoke the Expression Editor
Click the expression button (with an
fsymbol) displayed next to the selected control. This button allows you to invoke the Expression Editor instantly.
Click an expression marker (f-marker) next to the property editor in the Properties Panel. A highlighted marker indicates that a property is bound to data.
Click the ellipsis button in the property editor in the Expression tab of the Properties Panel.
Create Expressions
Tip
Integrate AI-powered Prompt-to-Expression functionality into the Web Report Designer control. Once integrated, the Prompt-to-Expression field appears in the Expression Editor and Filter Editor. Specify a prompt in natural language and click the Send button to generate an expression.
For more information on AI-powered Localization, refer to the following help topic: Generate Expressions From Prompts (Web Report Designer).
The Expression Editor offers functions, operators, data source fields, report elements, constants, and variables for expression creation.
An expression can span multiple lines.
You can add single-line or multi-line comments in the following format: /* comment text */.
The Expression Editor highlights an expression’s syntax and supports intelligent code completion (it suggests functions and available data elements as you type).
An error icon appears when an expression contains errors. Hover over the icon to display a pop-up notification with the error location.
Expression Syntax
Refer to the following help topic for the expression syntax description: Expression Language.
Custom Functions
You can implement a custom function for use in expressions. Review the following help topics for more information: