DBNull.ToString 方法

來源:

DBNull.cs

來源:

DBNull.cs

來源:

DBNull.cs

public:
 override System::String ^ ToString();

public override string ToString ();

override this.ToString : unit -> string

Public Overrides Function ToString () As String

傳回

空字串 (Empty)。

另請參閱

• Empty

來源:

DBNull.cs

來源:

DBNull.cs

來源:

DBNull.cs

public:
 System::String ^ ToString(IFormatProvider ^ provider);

public:
 virtual System::String ^ ToString(IFormatProvider ^ provider);

public string ToString (IFormatProvider provider);

public string ToString (IFormatProvider? provider);

override this.ToString : IFormatProvider -> string

Public Function ToString (provider As IFormatProvider) As String

參數

傳回

空字串 (Empty)。

實作

另請參閱

• Empty