Gets or sets a value that indicates whether the value for this parameter is allowed to be the empty string.
命名空间： Microsoft.ReportingServices.RdlObjectModel
程序集： Microsoft.ReportingServices.Designer.Controls（在 Microsoft.ReportingServices.Designer.Controls.dll 中）
语法
声明
Public Property AllowBlank As Boolean
Get
Set
用法
Dim instance As ReportParameter
Dim value As Boolean
value = instance.AllowBlank
instance.AllowBlank = value
public bool AllowBlank { get; set; }
public:
property bool AllowBlank {
bool get ();
void set (bool value);
}
member AllowBlank : bool with get, set
function get AllowBlank () : boolean
function set AllowBlank (value : boolean)
属性值
类型：System.Boolean
true if the value for this parameter is allowed to be the empty string; otherwise, false.