Sum Function (Report Builder 2.0)
Returns the sum of all the non-null numeric values specified by the expression, evaluated in the given scope.
Syntax
Sum(expression, scope, recursive)
Parameters
expression
(Integer or Float) The expression on which to perform the aggregation. The expression cannot contain aggregate functions.scope
(String) Optional. The name of a dataset, group, or data region that contains the report items to which to apply the aggregate function. If scope is not specified, the current scope is used. For more information, see Using Built-in Report and Aggregate Functions in Expressions (Report Builder 2.0) and Calculating Totals and Other Aggregates (Report Builder 2.0).recursive
(Enumerated Type) Optional. Simple (default) or RdlRecursive. Specifies whether to perform the aggregation recursively. For more information, see Creating Recursive Hierarchy Groups (Report Builder 2.0).
Return Type
Returns a Decimal for decimal expressions and a Double for all other expressions.
Remarks
The set of data specified in the expression must have the same data type. To convert data that has multiple numeric data types to the same data type, use conversion functions like CInt, CDbl or CDec. For more information, see Type Conversion Functions.
The value of scope cannot be an expression and must refer to the current scope or a containing scope.
Example
The following two code examples provides a sum of line item totals in the Order group or data region.
=Sum(Fields!LineTotal.Value, "Order")
' or
=Sum(CDbl(Fields!LineTotal.Value), "Order")