Parameters
The Parameters collection contains the report parameters within the report. You can pass parameters to queries, used in filters, or used in other functions that alter the report appearance based on the parameter. You can access items within the Parameters collection using the Value property.
Example:
=Parameters!accountCode.Value
Access parameter values directly in SunSystems Reporting Services by selecting the fields from the Parameters group Special Fields pane.
When you set a parameter up as a range, then _last is appended to the parameter name.
Example:
=Parameters!accountCode_last.Value
SunSystems Reporting Services provides standard parameters for report outputs and user information including userName, outputFormat, viewOutput and printerName.