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C# 调用Oracle 存储过程返回数据集 实例

1. 在oracle 下创建表
     t_user(
        ID varchar(20),
        Name varchar(20)
       )
 2.  添加数据 
           '1' , '张三'
           '2' , '李四'
 3. 创建包并且定义变量和声明存储过程
     CREATE OR REPLACE PACKAGE pkg_user AS
        --定义返回值(游标类型)
      TYPE myrctype IS REF CURSOR;
         --定义查询过程
      PROCEDURE sp_userlist (cur_result OUT myrctype);
      END pkg_user;
 4.创建存储过程 sp_userlist
     CREATE OR REPLACE PACKAGE BODY "PKG_USER" AS
       --查询过程
     PROCEDURE sp_userlist(cur_result OUT myrctype)
     IS
        sqlstr   VARCHAR2 (500);
     BEGIN
          OPEN cur_result FOR
             select * from t_user ;
    END sp_userlist ;
    END pkg_user;
5. C# 中就可以调用这个存储过程了.
    在Oracle helper 中添加
   
      public static void RunSql(string SqlString, CommandType cmdType, out DataTable dt)
        {
         
            OracleCommand cmd = CreateSqlCommand(SqlString, cmdType);
            OracleDataAdapter da;
     &n


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