自定义asp.net2.0权限提供程序SqlMembershipProvider

sp;                   "Email");
            user.Email = temp;
            try {
                SqlConnectionHolder holder = null;
                try {
                    holder = SqlConnectionHelper.GetConnection( _sqlConnectionString, true );
                    CheckSchemaVersion( holder.Connection );

                    SqlCommand    cmd     = new SqlCommand("aspnet_Membership_UpdateUser", holder.Connection);

                    cmd.CommandTimeout = CommandTimeout;
                    cmd.CommandType = CommandType.StoredProcedure;
                    cmd.Parameters.Add(CreateInputParam("@ApplicationName", SqlDbType.NVarChar, ApplicationName));
                    cmd.Parameters.Add(CreateInputParam("@UserName", SqlDbType.NVarChar, user.UserName));
                    cmd.Parameters.Add(CreateInputParam("@Email", SqlDbType.NVarChar, user.Email));
                    cmd.Parameters.Add(CreateInputParam("@Comment", SqlDbType.NText, user.Comment));
                    cmd.Parameters.Add(CreateInputParam("@IsApproved", SqlDbType.Bit, user.IsApproved ? 1 : 0));
                    cmd.Parameters.Add(CreateInputParam("@LastLoginDate", SqlDbType.DateTime, user.LastLoginDate.ToUniversalTime()));
                    cmd.Parameters.Add(CreateInputParam("@LastActivityDate", SqlDbType.DateTime, user.LastActivityDate.ToUniversalTime()));
                    cmd.Parameters.Add(Creat