WPF C#-multiple user privileges -

i want display different menu different users using c# wpf.

also have multiple login oracle database.

i want control user privileges through c#.

aravindhan – first need have in place authentication , authorization process in place. so, how authentication:

http://blog.magnusmontin.net/2013/03/24/custom-authorization-in-wpf/

basically, need implement interfaces described on link above .net provides you. when on iauthenticationservice ->authenticateuser method, have provide oracle implementation that.

the implementation similar snippet below:

public user authenticateuser(string username, string cleartextpassword){         var list<internaluserdata> _users = getuserslist();             internaluserdata userdata = _users.firstordefault(u => u.username.equals(username)                  && u.hashedpassword.equals(calculatehash(cleartextpassword, u.username)));             if (userdata == null)                 throw new unauthorizedaccessexception("access denied. please provide valid credentials.");              return new user(userdata.username, userdata.email, userdata.roles);         }  public list<internaluserdata> getuserslist(){    string sql = "select username, email, password, userole user";      command.commandtext = sql;   var list< internaluserdata> listusers = new list< internaluserdata>();     oracledatareader reader = command.executereader();      while (reader.read())      { listusers.add( new internaluserdata((string)reader["username"], (string)reader["email"], (string)reader["password"],new string[] { (string)reader["userole "]})     } return listusers;  }