Previous Function (Visual Studio Report Designer)
Returns the previous instance from the specified scope.
Previous(Expression)
Parameters
- Expression
(Variant or Binary) The expression on which to perform the aggregation. The expression cannot contain aggregate functions. Not supported in chart or matrix data regions.
Return Type
Returns a Variant or Binary.
The following code example provides the value for the field LineTotal in the previous row of a table or list data region. The value is Nothing for the first row.
Previous(Fields!LineTotal.Value)
See Also
Concepts
Using Expressions in a Report (Visual Studio Report Designer)
Adding Custom Code to a Report (Visual Studio Report Designer)
ReportViewer Controls (Visual Studio)
Built-in Functions for Reports (Visual Studio Report Designer)