Xceed Grid for WinForms includes built-in input validation capabilities as well as an input validator control which can be used outside the grid to validate user input into any .NET control including the provided Editor Controls.
Fully visual approach to implementing input component validation
Validation error messages are overridable and localizable
Wide variety of operators and options available when setting up validation criteria
Validation of criteria is available either when focus leaves a specific input component or when a general validation method is called
Compatible with the .NET Framework’s TextBox and ComboBox controls, as well as with Xceed Grid for WinForms cells and the provided editor controls.
Expandable by deriving from ValidationCriterion or ValidationExpression classes
Written entirely in managed C# code (source code available through a Blueprint subscription)
Object-oriented design created specifically for version 4 of the .NET framework. (New in 1.3)
Comprehensive documentation fully integrated into Visual Studio .NET
All error handling works through .NET exception classes
CLS compliant (Common Language Specification)
Does not use unsafe blocks for minimal permission requirements
Includes VB.NET and C# samples
Full Windows Vista support (New in version 1.1)