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Last Function (Report Builder 3.0 and SSRS)

Returns the last value in the given scope of the specified expression.

NoteNote

You can create and modify report definitions (.rdl) in Report Builder 3.0 and in Report Designer in Business Intelligence Development Studio. Each authoring environment provides different ways to create, open, and save reports and related items. For more information, see Designing Reports in Report Designer and Report Builder 3.0 (SSRS) on the Web at microsoft.com.


Last(expression, scope)

expression

(Variant or Binary) The expression on which to perform the aggregation, for example, =Fields!Fieldname.Value.

scope

(String) (Optional) The name of a dataset, data region, or group that contains the report items to which to apply the function. If scope is not specified, the current scope is used.

Determined by the type of expression.

The Last function returns the final value in a set of data after all sorting and filtering have been applied at the specified scope.

The Last function cannot be used in group filter expressions with anything except the current (default) scope.

You can also use Last in a page header to return the last value from the ReportItems collection for a page in order to produce dictionary-style headings that display the first and last entries on a page.

The value of scope must be a string constant andcannot be an expression. For outer aggregates or aggregates that do not specify other aggregates, scope must refer to the current scope or a containing scope. For aggregates of aggregates, nested aggregates can specify a child scope.

Expression can contain calls to nested aggregate functions with the following exceptions and conditions:

  • Scope for nested aggregates must be the same as, or contained by, the scope of the outer aggregate. For all distinct scopes in the expression, one scope must be in a child relationship to all other scopes.

  • Scope for nested aggregates cannot be the name of a dataset.

  • Expression must not contain First, Last, Previous, or RunningValue functions.

  • Expression must not contain nested aggregates that specify recursive.

For more information, see Aggregate Functions Reference (Report Builder 3.0 and SSRS) and Understanding Expression Scope for Totals, Aggregates, and Built-in Collections (Report Builder 3.0 and SSRS).

For more information about recursive aggregates, see Creating Recursive Hierarchy Groups (Report Builder 3.0 and and SSRS).

The following code example returns the last product number in the Category group of a data region.

=Last(Fields!ProductNumber.Value, "Category")

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