Pioneer Report MDI 

Pioneer Report MDI is a GRML, CSV, and text delimited file and web browser. GRML, or General Reuse Markup Language, supports forms, hyperlinks, text, and images. There are four displays, Report, Horizontal List, Vertical List, and Thumbnail.
pioneer report mdi internet web browser grml csv delimited file markup language general reuse

Xceed Input Validator for .NET 

Easy-to-use, self-wiring text validation for your Windows Forms controls. Each validation criterion can be configured entirely visually. Data input components are then validated at runtime. Features fully customizable error messages.
input validation text validation