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ActiveDirectoryMembershipProvider.MinRequiredNonAlphanumericCharacters Property

  • Reference

Definition

Namespace:
System.Web.Security
Assembly:
System.Web.dll

Gets the minimum number of special characters that must be present in a valid password.

public:
 virtual property int MinRequiredNonAlphanumericCharacters { int get(); };
public override int MinRequiredNonAlphanumericCharacters { get; }
member this.MinRequiredNonAlphanumericCharacters : int
Public Overrides ReadOnly Property MinRequiredNonAlphanumericCharacters As Integer

Property Value

Int32

The minimum number of special characters that must be present in a valid password.

Exceptions

InvalidOperationException

The MinRequiredNonAlphanumericCharacters property is accessed before the ActiveDirectoryMembershipProvider instance is initialized.

Examples

The following example shows the membership Element (ASP.NET Settings Schema) configuration element in the system.web section of the application's Web.config file. It specifies that the application use an instance of the ActiveDirectoryMembershipProvider class to provide membership services, and sets the minRequiredNonalphanumericCharacters attribute to one character.

<configuration>
  <connectionStrings>
    <add name="ADService" connectionString="LDAP://ldapServer/" />
  </connectionStrings>
  <system.web>
    <membership defaultProvider="AspNetActiveDirectoryMembershipProvider">
      <providers>
        <add name="AspNetActiveDirectoryMembershipProvider"
          type="System.Web.Security.ActiveDirectoryMembershipProvider,
          System.Web, Version=2.0.3600, Culture=neutral,
          PublicKeyToken=b03f5f7f11d50a3a"
          minRequiredNonalphanumericCharacters = "1" />
      </providers>
    </membership>
  </system.web>
</configuration>

Remarks

The MinRequiredNonAlphanumericCharacters property returns the minimum number of special, non-alphanumeric characters that must be entered to create a valid password.

The MinRequiredNonAlphanumericCharacters property value is set in the application configuration using the minRequiredNonalphanumericCharacters attribute of the membership Element (ASP.NET Settings Schema) configuration element.

A non-alphanumeric character is a character for which the IsLetterOrDigit method returns false.

Applies to

See also