| GrapeCity.ActiveReports.v9 Assembly > GrapeCity.ActiveReports.PageReportModel Namespace > ReportParameter Class : AllowBlank Property |
Gets or sets a value indicating whether the value for this parameter is allowed to be an empty string.
'Declaration Public Property AllowBlank As System.Boolean
public System.bool AllowBlank {get; set;}
A Boolean value where true indicates that the parameter is allowed to be an empty string; otherwise false. The default value is false.
This property is ignored if the DataType is not string.
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2