IntegerValidatorAttribute.ValidatorInstance Properti

Definisi

Ruang nama:

System.Configuration

Rakitan:

System.Configuration.ConfigurationManager.dll

Paket:

System.Configuration.ConfigurationManager v8.0.0

Sumber:

IntegerValidatorAttribute.cs

Mendapatkan instans IntegerValidator kelas .

public:
 virtual property System::Configuration::ConfigurationValidatorBase ^ ValidatorInstance { System::Configuration::ConfigurationValidatorBase ^ get(); };

public override System.Configuration.ConfigurationValidatorBase ValidatorInstance { get; }

member this.ValidatorInstance : System.Configuration.ConfigurationValidatorBase

Public Overrides ReadOnly Property ValidatorInstance As ConfigurationValidatorBase

Nilai Properti

ConfigurationValidatorBase

Instans ConfigurationValidatorBase validator.

Contoh

Contoh berikut menunjukkan cara menggunakan ValidatorInstance properti .

            ConfigurationValidatorBase valBase;
            IntegerValidatorAttribute intValAttr;
            intValAttr = new IntegerValidatorAttribute();

            long badValue = 10;
            int goodValue = 10;

            try
            {
                valBase = intValAttr.ValidatorInstance;
                valBase.Validate(goodValue);
                // valBase.Validate(badValue);
            }
            catch (ArgumentException e)
            {
                // Display error message.
                string msg = e.ToString();
#if DEBUG
                Console.WriteLine(msg);
#endif
            }

        Dim valBase As ConfigurationValidatorBase
        Dim intValAttr As IntegerValidatorAttribute
        intValAttr = New IntegerValidatorAttribute()

        Dim badValue As Long = 10
        Dim goodValue As Integer = 10

        Try
            valBase = intValAttr.ValidatorInstance
            valBase.Validate(goodValue)
            ' valBase.Validate(badValue);
        Catch e As ArgumentException
            ' Display error message.
            Dim msg As String = e.ToString()
#If DEBUG Then
            Console.WriteLine(msg)
#End If
        End Try '

Keterangan

Anda menggunakan ValidatorInstance properti untuk melakukan validasi string dengan memanggil metodenya Validate .