1. The implementation of the GetCurrentUserUniqueName method

Description:
Retrieves the user name of the current user.

public string GetCurrentUserUniqueName(HttpContext context) { 
    IIdentity iden=context.User.Identity; 
    if(iden==null||!iden.IsAuthenticated) 
       return null; 
    if(iden.Name==null||iden.Name.Length==0) 
       return null; 
    return iden.Name; 
}

The implementation of the IsAdministrators method

Description:
Check the current user is an administrator or not..

public bool IsAdministrators(string useruniquename) { 
    using(IDataAccess da=ChatConfig.CreateDataAccess()) { 
       int userid=da.GetUserInternalId(useruniquename); 
       if(userid==0)
           return false; 
       DataRow row=da.SelectUser(userid); 
       if(row==null)
           return false; 
       return Convert.ToBoolean(row["isadmin"]); 
    } 
}