BaseFunctoid.IsNumeric 方法
定义
重要
一些信息与预发行产品相关，相应产品在发行之前可能会进行重大修改。 对于此处提供的信息，Microsoft 不作任何明示或暗示的担保。
重载
IsNumeric(String)
public:
static bool IsNumeric(System::String ^ val);
public static bool IsNumeric (string val);
static member IsNumeric : string -> bool
Public Shared Function IsNumeric (val As String) As Boolean
参数
返回
IsNumeric(String, Double)
public:
static bool IsNumeric(System::String ^ val, double % d);
public static bool IsNumeric (string val, ref double d);
static member IsNumeric : string * double -> bool
Public Shared Function IsNumeric (val As String, ByRef d As Double) As Boolean
参数
返回