using (SqlCommand command = sqlConn.CreateCommand())
                    {
                        command.CommandTimeout = 60;
                        command.CommandType = CommandType.StoredProcedure;
                        command.CommandText = @"dbo.Save2DB";
                        
                        SqlParameter firstXmlSQL = new SqlParameter("@firstXml", SqlDbType.NVarChar) { Value = firstXml};
                        SqlParameter secondXmlSQL = new SqlParameter("@secondXml", SqlDbType.NVarChar) { Value = secondXml};
                        SqlParameter thirdXmlSQL = new SqlParameter("@thirdXml", SqlDbType.NVarChar) { Value = thirdXml };
                        SqlParameter fourthXml SQL = new SqlParameter("@fourthXml", SqlDbType.NVarChar) { Value = fourthXml };                        

                        command.Parameters.Add(firstXmlSQL );
                        command.Parameters.Add(secondXmlSQL ); 
                        command.Parameters.Add(thirdXmlSQL );                                               
                        command.Parameters.Add(fourthXml );                        

                        command.ExecuteNonQuery();
                        command.Dispose();
                    }