Tablix Properties Dialog Box, Visibility (Report Builder 2.0)
Select Visibility on the Tablix Properties dialog box to specify visibility options for the data region.
Options
- When the report is initially run 
 Select an option to indicate how the report item is displayed in the report initially.
- Show 
 Select this option to show the report item.
- Hide 
 Select this option to hide the report item.
- Show or hide based on an expression 
 Select this option to vary the initial visibility using an expression.- Type an expression that evaluates to a Boolean value of True to hide the item and False to show the item. Click the Expression (fx) button to edit the expression. 
- Display can be toggled by this report item 
 Choose this option to display a toggle image that enables the user to show or hide this report item in an HTML report viewer.- Type or select the name of a text box in the report in which to display a toggle image; for example, Textbox1. The text box that you choose must be in the current or containing scope for this report item. For example, to toggle visibility of rows associated with a child group, select a text box in a row associated with the parent group. To toggle visibility of a chart, select a text box that is in the same containing scope as the chart; for example, the report body or a rectangle.