SqlConnection cn = new SqlConnection(connectionString);
        private SqlConnection CreatConntion()
        {
            try
            {
                if (cn.State=ConnectionState.Closed)
                {
                    cn.Open();
                }
            }
            catch(Exception e)
            {
                cn.Close();
                throw new Exception(e.Message);
            }
        }
  private SqlCommand BuildIntCommand(SqlConnection connection, string storedProcName, IDataParameter[] parameters)
        {
            SqlCommand command = BuildQueryCommand(connection, storedProcName, parameters);
            command.Parameters.Add(new SqlParameter("ReturnValue",
                SqlDbType.Int, 4, ParameterDirection.ReturnValue,
                false, 0, 0, string.Empty, DataRowVersion.Default, null));
            return command;
                }
        private SqlCommand BuildQueryCommand(SqlConnection connection, string storedProcName, IDataParameter[] parameters)
        {
            SqlCommand command = new SqlCommand(storedProcName, connection);
            command.CommandType = CommandType.StoredProcedure;
            foreach (SqlParameter parameter in parameters)
            {
                if (parameter != null)
                {
                    if ((parameter.Direction == ParameterDirection.InputOutput || parameter.Direction == ParameterDirection.Input) &&
                        (parameter.Value == null))
                    {
                        parameter.Value = DBNull.Value;
                    }
                    command.Parameters.Add(parameter);
                }
            }
            return command;
        }
        public static int RunProcedure(string procName, SqlParameter[] cmdParms)
        {
            using (SqlConnection conn = CreatConntion())
            {
                using (SqlCommand comm = BuildIntCommand(conn, procName, cmdParms))
                {
                    try
                    {
                        int result = comm.ExecuteNonQuery();
                        return result;
                    }
                    catch (Exception er)
                    {
                        //throw new Exception(er.Message);
                        return -1;
                    }
                }
            }
        }