RegexStringValidatorAttribute.ValidatorInstance Property
Definition
Important
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Gets an instance of the RegexStringValidator class.
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
Property Value
The ConfigurationValidatorBase validator instance.
Examples
The following example shows how to use the ValidatorInstance method.
ConfigurationValidatorBase valBase;
RegexStringValidatorAttribute rstrValAttr =
new RegexStringValidatorAttribute(@"\w+\S*");
// Get the regular expression string.
string regex = rstrValAttr.Regex;
Console.WriteLine("Regular expression: {0}", regex);
string badValue = "&%$bbb";
string goodValue = "filename.txt";
try
{
valBase = rstrValAttr.ValidatorInstance;
valBase.Validate(goodValue);
// valBase.Validate(badValue);
}
catch (ArgumentException e)
{
// Display error message.
string msg = e.ToString();
#if DEBUG
Console.WriteLine(msg);
#endif
}
Dim valBase As _
ConfigurationValidatorBase
Dim rstrValAttr As _
New RegexStringValidatorAttribute("\w+\S*")
' Get the regular expression string.
Dim regex As String = _
rstrValAttr.Regex
Console.WriteLine( _
"Regular expression: {0}", regex)
Dim badValue As _
String = "&%$bbb"
Dim goodValue As _
String = "filename.txt"
Try
valBase = rstrValAttr.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 '
Remarks
You use the ValidatorInstance property to perform string validation by calling its Validate method.
Applies to
See also
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