ReportParameter

Represents a report parameter.

Name	Description	Type	Additional information
Name	Gets or sets the name of the parameter. Used to access the parameter.	string	None.
Type	Gets or sets the data type of the parameter.	string	None.
Value	Gets or sets the value of the parameter. Can be an Expression that evaluates to an object, value of the allowed types, or containing values of the allowed types.	Object	None.
Mergeable	Gets or sets a value indicating whether this parameter should be merged with identical parameters from other reports when this report is part of a Telerik.Reporting.ReportBook.	boolean	None.
Text	Gets or sets the text for the parameter's automatic UI displayed in the report viewer. Can be an Expression that evaluates to a string.	string	None.
Visible	Determines whether automatic user interface (UI) prompting for values to be generated for the parameter.	boolean	None.
MultiValue	Determines if the parameter can hold more then one value.	boolean	None.
AllowNull	Determines if the parameter allows no value to be passed from it's editor.	boolean	None.
AllowBlank	Gets or sets a value that indicates whether an empty string is a valid value for the parameter. Only for parameters of String.	boolean	None.
AutoRefresh	Determines whether to trigger the report preview after changing the value for a parameter. Applies only for visible parameters.	boolean	None.