This abstract class provides basic functionality for the CompareValidator and RangeValidator classes, which perform validation through comparisons. The shared (static) GetFullYear( ) method converts a two-digit year (like "98") to a four-digit representation ("1998"), while CutoffYear sets the maximum four-digit year value that it will allow to be represented in two digits. The shared CanConvert( ) method determines whether a string can be converted to a given ValidationDataType, while the Type property sets the ValidationDataType that the current instance of the control is validating text against.

public abstract class BaseCompareValidator : BaseValidator {
// Protected Constructors 
   protected BaseCompareValidator( ); 
// Protected Static Properties
   protected static int CutoffYear{get; }
// Public Instance Properties
   public ValidationDataType Type{set; get; }
// Public Static Methods
   public static bool CanConvert(string text, ValidationDataType type);
// Protected Static Methods
   protected static bool Compare(string leftText, string rightText, 
        ValidationCompareOperator op,  ValidationDataType type);
   protected static bool Convert(string text, ValidationDataType type, out object value);
   protected static string GetDateElementOrder( );
   protected static int GetFullYear(int shortYear);
// Protected Instance Methods
   protected override void AddAttributesToRender(System.Web.UI.HtmlTextWriter writer);  // overrides BaseValidator
   protected override bool DetermineRenderUplevel( );             // overrides BaseValidator
}

Hierarchy

System.Object System.Web.UI.Control(System.ComponentModel.IComponent, System.IDisposable, System.Web.UI.IParserAccessor, System.Web.UI.IDataBindingsAccessor) WebControl(System.Web.UI.IAttributeAccessor) Label BaseValidator(System.Web.UI.IValidator) BaseCompareValidator

Subclasses

CompareValidator, RangeValidator