Database Reference
In-Depth Information
Expressions
Expressions are snippets of custom logic that greatly enhance the report
development process by providing a mechanism for developers to control nearly
every aspect of a report. The pervasiveness of expressions throughout the report and
all its underlying components is perhaps the number one factor in making SSRS the
most customizable reporting technology in the Microsoft BI stack.
Expressions are written in Microsoft Visual Basic and can access context-specific
constants, parameters, dataset values, common functions, and custom code in
order to build the required logic. For example, the following screenshot shows an
expression that controls the background color of the cells in a table based on the
values of a field in the associated dataset:
Example of an expression to control the background color of cell
