The report preview settings view enables Report Server customers to modify Telerik Report Viewer options in Preview view.
The parameters area section allows you to set single multi-select parameters editors type. The available values for both are ListView and ComboBox. The ListView is the default option. It is reprezent as a Kendo UI ListView widget.
The ComboBox has two difrent reprezentation the Telerik Report Viewe for both editors:
Single select editor - it is rendered as a Kendo UI ComboBox widget.
Multi-select editor - it is rendered as a Kendo UI MultiSelect widget
The page area section allows you to upload an image that will be used as a background image in the Telerik Report Viewer Page area. The image should be in PNG, GIF, or JPG file format. It is used only when the parameter values are missing or invalid.