C\#에서 저장 프로 세 스 방법 을 어떻게 실행 합 니까?

 /// <summary>
    ///         
    /// ProcName        
    /// MethodName   SqlCommand      
    /// PrmList        
    /// </summary>
    public class ExeProc
    {
        public string ProcName;
        public string MethodName;
        public object[] PrmValue;
    }

public class DataHelper
    {
        private string connString = null;
        public DataHelper(string conStr)
        {
            this.connString = conStr;
        }
        /// <summary>
        ///        
        /// </summary>
        /// <param name="ep">          
        /// ProcName        
        /// MethodName   SqlCommand      
        /// PrmList        
        /// </param>
        /// <returns>       </returns>
        public object ExecProcRetObj(ExeProc ep)
        {
            if (this.connString != null && this.connString != string.Empty)
            {
                try
                {
                    SqlConnection con = new SqlConnection(this.connString);
                    SqlCommand cmd = new SqlCommand();
                    cmd.Connection = con;
                    cmd.CommandText = "Exec " + ep.ProcName + " ";
                    foreach (object obj in ep.PrmValue)
                    {
                        cmd.CommandText += obj + ",";
                    }
                    cmd.CommandText = cmd.CommandText.Remove(cmd.CommandText.Length - 1, 1);
                    Type ty = cmd.GetType();
                    con.Open();
                    //                    
                    object retObj = ty.InvokeMember(ep.MethodName, BindingFlags.InvokeMethod, null, cmd, null);
                    if (retObj.GetType().FullName == "System.Data.SqlClient.SqlDataReader")
                    {
                        //    object    DataTable 
                        DataTable retDt = new DataTable();
                        retDt.Load(retObj as SqlDataReader);
                        con.Close();
                        con.Dispose();
                        return retDt;
                    }
                    return retObj;
                }
                catch (Exception ex)
                {
                    System.Windows.Forms.MessageBox.Show("        
" + ex.Message);
                }
            }
            return null;
        }
    }