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Built-in Collections in Expressions (Report Builder and SSRS)

 

Applies To: SQL Server 2016

In an expression in a report, you can include references to the following built-in collections: ReportItems, Parameters, Fields, DataSets, DataSources, Variables, and built-in fields for global information such as the report name. Not all collections appear in the Expression dialog box. The DataSets and DataSources collections are available only at run-time for published reports on a report server. The ReportItems collection is collection of text boxes in a report region, for example, the text boxes on a page or in a page header.

For more information, see Expressions (Report Builder and SSRS).

System_CAPS_ICON_note.jpg Note


You can create and modify paginated report definition (.rdl) files in Report Builder and in Report Designer in SQL Server Data Tools. Each authoring environment provides different ways to create, open, and save reports and related items.

The following table lists the built-in collections available when you write an expression. Each row includes the case-sensitive programmatic name for the collection, whether you can use the Expression dialog box to interactively add a reference to the collection, an example, and a description that includes when the collection values are initialized and available for use.

Built-in CollectionCategory in the Expression dialog boxExampleDescription
GlobalsBuilt-in Fields=Globals.ReportName

 - or -

 =Globals.PageNumber
Represents global variables useful for reports, such as the report name or page number. Always available.

For more information, see Built-in Globals and Users References (Report Builder and SSRS).
UserBuilt-in Fields=User.UserID

- or -

 =User.Language
Represents a collection of data about the user running the report, such as the language setting or the user ID. Always available.

For more information, see Built-in Globals and Users References (Report Builder and SSRS).
ParametersParameters=Parameters("ReportMonth").Value

- or -

 =Parameters!ReportYear.Value
Represents the collection of report parameters, each of which can be single-value or multivalue. Not available until processing initialization is complete. For more information, see Parameters Collection References (Report Builder and SSRS).
Fields( <Dataset> )Fields=Fields!Sales.ValueRepresents the collection of fields of the dataset that are available to the report. Available after data is retrieved from a data source into a dataset. For more information, see Dataset Fields Collection References (Report Builder and SSRS).
DataSetsNot Displayed=DataSets("TopEmployees").CommandTextRepresents the collection of datasets referenced from the body of a report definition. Does not include data sources used only in page headers or page footers. Not available in local preview. For more information, see DataSources and DataSets Collection References (Report Builder and SSRS).
DataSourcesNot Displayed=DataSources("AdventureWorks2012").TypeRepresents the collection of data sources referenced from within the body of a report. Does not include data sources used only in page headers or page footers. Not available in local preview. For more information, see DataSources and DataSets Collection References (Report Builder and SSRS).
VariablesVariables=Variables!CustomTimeStamp.ValueRepresents the collection of report variables and group variables. For more information, see Report and Group Variables Collections References (Report Builder and SSRS).
ReportItemsNot Displayed=ReportItems("Textbox1").ValueRepresents the collection of text boxes for a report item. This collection can be used to summarize items on the page for including in a page header or page footer. For more information, see ReportItems Collection References (Report Builder and SSRS).

To refer to a collection from an expression, use standard Microsoft Visual Basic syntax for an item in a collection. The following table shows examples of collection syntax.

SyntaxExample
Collection!ObjectName.Property=Fields!Sales.Value
Collection!ObjectName("Property")=Fields!Sales("Value")
Collection("ObjectName").Property=Fields("Sales").Value
Collection("Member")=User("Language")
Collection.Member=User.Language

Add an Expression (Report Builder and SSRS)
Expression Examples (Report Builder and SSRS)

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