Ajax contorl toolkit PasswordStrength Demonstration

PasswordStrength Demonstration
Simple Complexity, Text Indicator

Average Complexity, Bar Indicator

High Complexity, Text Indicator, Help Indicator

Note: Recent changes will cause the PasswordStrength control to render differently compared to previous releases. This will affect the padding attributes of the BarIndicator display type. To achieve the same style as previous releases, you will need to add the following to the style for that control.
padding: 2px 2px 2px 2px;
PasswordStrength Description

PasswordStrength is an ASP.NET AJAX extender that can be attached to an ASP.NET TextBox control used for the entry of passwords. The PasswordStrength extender shows the strength of the password in the TextBox and updates itself as the user types the password. The indicator can display the strength of the password as a text message or with a progress bar indicator. The styling and position of both types of indicators is configurable. The required strength of the password is also configurable, allowing the page author to tailor the password strength requirements to their needs. The text messages that describe the current strength of the password can also be configured and their default values have localization support built-in. The second and third extenders' strings are being pulled from Toolkit resources files. We do not have strings for all languages currently so they may show non-localized values for some languages. A help indicator can be used to provide explicit instructions about what changes are required to achieve a strong password. The indicator is displayed when the user begins typing into the TextBox and is hidden from view once the TextBox loses focus.

PasswordStrength Properties

The control above is initialized with this code. The italic properties are optional:

<ajaxToolkit:PasswordStrength ID="PS" runat="server"
    TextStrengthDescriptions="Very Poor;Weak;Average;Strong;Excellent"
    CalculationWeightings="50;15;15;20" />
  • TargetControlID - ID of the TextBox to attach to
  • DisplayPosition - Positioning of the strength indicator relative to the target control
  • StrengthIndicatorType - Strength indicator type (Text or BarIndicator)
  • PreferredPasswordLength - Preferred length of the password
  • PrefixText - Text prefixed to the display text when StrengthIndicatorType=Text
  • TextCssClass - CSS class applied to the text display when StrengthIndicatorType=Text
  • MinimumNumericCharacters - Minimum number of numeric characters
  • MinimumSymbolCharacters - Minimum number of symbol characters (ex: $ ^ *)
  • RequiresUpperAndLowerCaseCharacters - Specifies whether mixed case characters are required
  • MinimumLowerCaseCharacters - Only in effect if RequiresUpperAndLowerCaseCharacters property is true. Specifies the minimum number of lowercase characters required when requiring mixed case characters as part of your password strength considerations.
  • MinimumUpperCaseCharacters - Only in effect if RequiresUpperAndLowerCaseCharacters property is true. Specifies the minimum number of uppercase characters required when requiring mixed case characters as part of your password strength considerations.
  • TextStrengthDescriptions - List of semi-colon separated descriptions used when StrengthIndicatorType=Text (Minimum of 2, maximum of 10; order is weakest to strongest)
  • CalculationWeightings - List of semi-colon separated numeric values used to determine the weighting of a strength characteristic. There must be 4 values specified which must total 100. The default weighting values are defined as 50;15;15;20. This corresponds to password length is 50% of the strength calculation, Numeric criteria is 15% of strength calculation, casing criteria is 15% of calculation, and symbol criteria is 20% of calculation. So the format is 'A;B;C;D' where A = length weighting, B = numeric weighting, C = casing weighting, D = symbol weighting.
  • BarBorderCssClass - CSS class applied to the bar indicator's border when StrengthIndicatorType=BarIndicator
  • BarIndicatorCssClass - CSS class applied to the bar indicator's inner bar when StrengthIndicatorType=BarIndicator
  • StrengthStyles - List of semi-colon separated CSS classes that are used depending on the password's strength. This property will override the BarIndicatorCssClass / TextIndicatorCssClass property if present. The BarIndicatorCssClass / TextIndicatorCssClass property differs in that it attributes one CSS style to the BarIndicator or Text Strength indicator (depending on which type is chosen) regardless of password strength. This property will cause the style to change based on the password strength and also to the number of styles specified in this property. For example, if 2 styles are defined like StrengthStyles="style1;style2" then style1 is applied when the password strength is less than 50%, and style2 is applied when password strength is >= 50%. This property can have up to 10 styles.
  • HelpStatusLabelID - Control ID of the label used to display help text
  • HelpHandleCssClass - CSS class applied to the help element used to display a dialog box describing the password requirements
  • HelpHandlePosition - Positioning of the help handle element relative to the target control

Ajax control toolkit PasswordStrength example with demo in asp .net

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