Why does StringValidator always fail for custom configuration section?

Question

I have created a custom configuration section in a c# class library by inheriting from ConfigurationSection. I reference the class library in my web application (a

Answer 1

The resolving of the StringValidator can be done by any one of the following:

• Removing MinLength argument
• Setting MinLength = 0
• Removing the StringValidator Attribute
• Adding DefaultValue to the ConfigurationProperty Attribute

The Ideal definition for the property is like:

[ConfigurationProperty("title", IsRequired = true, DefaultValue = "something")]
[StringValidator(InvalidCharacters = "~!@#$%^&*()[]{}/;’\"|\\"
  , MinLength = 1
  , MaxLength = 256)]
public string Title
{
    get { return this["title"] as string; }
    set { this["title"] = value; }
}