ASP.Net MembershipProvider : Auto generate password without nonalfanumaric character

• Download MembershipProvAutoGenPass - 32.11 KB

Introduction

In an application that uses Asp.Net MembershipProvider, in the membership process if you don't want to use character except letter in your generated password that send to your given e-mail address, you have to follow below steps.
Unfortunately it seems complicated and in my opinion there is a design mistake related MembershipProvider.

Using the code

It requires some changes with CreateUserWizard control :
For this create new web control derived by CreateUserWizard control and override Password property.

ToolboxData("<{0}:MyCreateUserWizard runat="server"></{0}:MyCreateUserWizard>")]
public class MyCreateUserWizard : CreateUserWizard
{

    public MyCreateUserWizard()
        : base()
    {

    }

    private string generatedPassword = string.Empty;

    public override string Password
    {
        get
        {
            if (string.IsNullOrEmpty(generatedPassword))
                generatedPassword = GeneratePassword();

            return generatedPassword;
        }
    }


}

And if you want same feature with PasswordRecovery control, you have to create new class derived by System.Web.Security.SqlMembershipProvider and override GeneratePassword method.

public class MyMembershipProvider : System.Web.Security.SqlMembershipProvider
   {

       public MyMembershipProvider()
           : base()
       {
       }

       public override string GeneratePassword()
       {
           ....
       }
   }