Related resources for AJAX TextBoxWatermarkedExtender Control
  • TextBoxWatermarkExtender Control in AJAX1/18/2012 1:53:13 AM. The TextBoxWatermark is an ASP.NET AJAX extender that can be attached to an ASP.NET TextBox control to get "watermark" behavior. When a watermarked TextBox is empty, it displays a message to the user with a custom CSS Style.