Asp.net membership FAQs

1. login verificationCode

If (Membership. validateuser (username. Text, password. Text ))
{
If (Request. querystring [ " Returnurl " ] ! = Null )
{
Formsauthentication. redirectfromloginpage (username. Text,False);
}
Else
{
Formsauthentication. setauthcookie (username. Text,False);
}
}
Else
{
Response. Write ("Invalid userid and password");
}

2. Registration Code (via profile extension)

 

Membershipcreatestatus MS;
Membershipuser newuser = Membership. createuser (textbox1.text, textbox2.text, textbox4.text, textbox5.text, textbox6.text, True , Out MS );
  If MS = Membershipcreatestatus. Success)
  {
Profilecommon P = (Profilecommon) profilecommon. Create (newuser. username, True );
Roles. addusertorole (textbox1.text, " Usermember " );
P. telphone = Textbox7.text. Trim ();
P. qq = Textbox8.text. Trim ();
P. Address = Textbox9.text. Trim ();
P. Save ();
Roles. addusertorole (textbox1.text, " Usergroup " ); // Add a new user to the usergroup role Group
Server. Transfer ( " Login. aspx " );
}
Else
{
StringErrorcode;
 SwitchMS)
{
 CaseMembershipcreatestatus. duplicateusername:
Errorcode= "Username already exists.";
Break;
}
}

The configuration of the profile node in the corresponding web. config is as follows;

< Profile Enabled = "True" Defaultprovider = "Profilesqlmembershipprovider" >
< Providers >
< Add Name = "Profilesqlmembershipprovider"  
Type = "System. Web. profile. sqlprofileprovider"  
Connectionstringname = "Webshopconnectionstring" />
</ Providers >
< Properties >
< Add Name = "Telphone" Type = "String" />
< Add Name = "QQ" Type = "String" />
< Add Name = "Address" Type = "String" />
</ Properties >
</ Profile >

4. Verify that the user name has code

Membershipusercollection col = Membership. findusersbyname ( This . Textbox1.text );
If (Col. Count = 0 )
Label1.text = " Congratulations! You can register " ;
Else
Label1.text = " This user already exists " ;

5. Determine whether a user logs in or uses anonymous code

If (Httpcontext. Current. User. Identity. isauthenticated = True )
{
Label1.text= "You are a registered user. Welcome to register";
}
Else
{
Label1.text= "You are an anonymous user. Please register";
}

6. Get the current user name

Membershipuser U;
U=Membership. getuse (user. Identity. Name );
Label1.text=U. Username;