asp.net中oracle 存储过程（图文）-木庄网络博客

本文整理自网络，侵删。

在大型数据库系统中，存储过程和触发器具有很重要的作用。无论是存储过程还是触发器，都是SQL 语句和流程控制语句的集合。

ORACLE代码

CREATE OR REPLACE PROCEDURE gd_CURSOR(MYCS1 OUT SYS_REFCURSOR,MYCS2 OUT SYS_REFCURSOR,a out varchar)as
BEGIN
 a:='test';
 OPEN MYCS1 FOR
 SELECT 1 from dual;
 OPEN MYCS2 FOR
 SELECT 2 from dual;
END;

C#代码

/// <summary>
 /// 执行oracle存储过程返回多个结果集
 /// </summary>
 /// <param name="strProcName">存储过程名称</param>
 /// <param name="ResultCount">返回个数</param>
 /// <param name="paras">参数</param>
 /// <returns>任意对象数组</returns>
 public object[] ExcuteProc_N_Result(string strProcName, int ResultCount, params OracleParameter[] paras)
 {
  using (OracleConnection conn = new OracleConnection("User ID=用户名;Password=密码;Data Source=数据库;"))
  {
  OracleCommand cmd = new OracleCommand(strProcName, conn);
  if (paras != null && paras.Length > 0)
  {
   for (int j = 0; j < paras.Length; j++)
   {
   if (paras[j].Value == null)
   {
    paras[j].Value = DBNull.Value;
   }
   }
  }
  cmd.Parameters.AddRange(paras);
  cmd.CommandType = CommandType.StoredProcedure;
  conn.Open();
  cmd.ExecuteNonQuery();
  int i = 0;
  //int nOutputParametersCount = 0;
  object[] objResult = new object[ResultCount];
  foreach (OracleParameter p in cmd.Parameters)
  {
   if (p.Direction == ParameterDirection.Output || p.Direction == ParameterDirection.InputOutput)
   {
   if (p.Value is OracleDataReader)
   {
    OracleDataReader reader = p.Value as OracleDataReader;
    objResult[i++] = ConvertDataReaderToDataTable(reader);
   }
   else
   {
    objResult[i++] = p.Value;
   }
   }
  }
  return objResult;
  }
 }
 /// <summary> 
 /// 将DataReader 转为 DataTable 
 /// </summary> 
 /// <param name="DataReader">OleDbDataReader</param> 
 protected DataTable ConvertDataReaderToDataTable(OracleDataReader reader)
 {
  DataTable objDataTable = new DataTable("TmpDataTable");
  try
  {
  int intFieldCount = reader.FieldCount;//获取当前行中的列数；
  for (int intCounter = 0; intCounter <= intFieldCount - 1; intCounter++)
  {
   objDataTable.Columns.Add(reader.GetName(intCounter), reader.GetFieldType(intCounter));
  }
  //populate datatable 
  objDataTable.BeginLoadData();
  //object[] objValues = new object[intFieldCount -1]; 
  object[] objValues = new object[intFieldCount];
  while (reader.Read())
  {
   reader.GetValues(objValues);
   objDataTable.LoadDataRow(objValues, true);
  }
  reader.Close();
  objDataTable.EndLoadData();
  return objDataTable;
  }
  catch (Exception ex)
  {
  throw new Exception("转换出错出错!", ex);
  }
 }

调用方法

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