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StringValidatorAttribute.ValidatorInstance Property

Gets an instance of the StringValidator class.

Namespace:  System.Configuration
Assembly:  System.Configuration (in System.Configuration.dll)

public override ConfigurationValidatorBase ValidatorInstance { get; }

Property Value

Type: System.Configuration.ConfigurationValidatorBase
A current StringValidator settings in a ConfigurationValidatorBase validator instance.

You use the ValidatorInstance property to perform string validation by calling its Validate method.

The following example shows how to use the ValidatorInstance property.


            ConfigurationValidatorBase valBase;
            StringValidatorAttribute strValAttr =
            new StringValidatorAttribute();

            long badValue = 10;
            string goodValue = "10";

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

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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