Gets or sets the unique name of the current object. If an item with the specified name already exists in the collection, an exception is thrown.

Gets the NamedCollection containing the current object.

Gets or sets expression to evaluate globally for the report or for each group instance. Unlike expressions evaluated in visual elements of the report, each instance of this expression is calculated only once when the report is executed and never recalculated during subsequent renderings. This is necessary for time-dependent calculations.