When you choose to use an Expression condition you define a text expression that returns a boolean value. The value returned determines whether or not the formatting is applied. The configuration panel is shown below:
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Field Is |
Field is used to select the type of conditions.
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Expression |
This field is used to define an expression that should return a boolean value.
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For example, a suitable expression in C #:
Customers.CustomerName == "MyCustomer"
If the expression cannot return a boolean value then the report generator will not be able to render the conditional formatting.
Important:
The expression MUST return
a boolean value or the conditional formatting will fail.