ASP.NET AJAX Control Toolkit Demos v17.1.1.0

FilteredTextBox Sample
Ajax Control Toolkit
FilteredTextBox Demonstration
Only digits are allowed here:
Only lower-case letters are allowed here:
Only math symbols (+,-,*,/,=,.) and numbers:
No digits allowed in this textbox:
FilteredTextBox Description
FFilteredTextBox is an extender that either allows users to enter only characters that you define into a text box or prevents users from entering specified characters.
FilteredTextBox Properties
Properties
  • FilterInterval - An integer that specifies an interval in milliseconds, in which the field's content is filtered.
  • FilterMode - A filter mode to apply. Supported values are ValidChars and InvalidChars. If the property is set to InvalidChars, FilterType must be set to Custom. ValidChars is default.
  • FilterType - A filter type to apply that is specified as a comma-separated combination of the following values: Numbers, LowercaseLetters, UppercaseLetters, and Custom. Custom is default.
  • InvalidChars - A string that consists of all characters that are considered invalid for the text box when the field type is Custom.
  • ValidChars - A string that consists of all characters that are considered valid for the text box when the field type is Custom.
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