StringValidatorAttribute.InvalidCharacters Property

Definition

Namespace:

System.Configuration

Assembly:

System.Configuration.ConfigurationManager.dll

Package:

System.Configuration.ConfigurationManager v9.0.0-preview.3.24172.9

Source:

StringValidatorAttribute.cs

Gets or sets the invalid characters for the property.

public:
 property System::String ^ InvalidCharacters { System::String ^ get(); void set(System::String ^ value); };

public string InvalidCharacters { get; set; }

member this.InvalidCharacters : string with get, set

Public Property InvalidCharacters As String

Property Value

String

The string that contains the set of characters that are not allowed for the property.

Examples

The following example shows how to use the InvalidCharacters property.

[ConfigurationProperty("fileName", DefaultValue = "default.txt",
    IsRequired = true, IsKey = false)]
[StringValidator(InvalidCharacters = " ~!@#$%^&*()[]{}/;'\"|\\",
    MinLength = 1, MaxLength = 60)]
public string FileName
{
    get
    {
        return (string)this["fileName"];
    }
    set
    {
        this["fileName"] = value;
    }
}

<ConfigurationProperty("fileName", _
DefaultValue:="default.txt", _
IsRequired:=True, _
IsKey:=False), _
StringValidator( _
InvalidCharacters:=" ~!@#$%^&*()[]{}/;'""|\", _
MinLength:=1, _
MaxLength:=60)> _
Public Property FileName() As String
    Get
        Return CStr(Me("fileName"))
    End Get
    Set(ByVal value As String)
        Me("fileName") = value
    End Set
End Property