csharp: Oracle Stored Procedure DAL using ODP.NET
内容导读
互联网集市收集整理的这篇技术教程文章主要介绍了csharp: Oracle Stored Procedure DAL using ODP.NET，小编现在分享给大家，供广大互联网技能从业者学习和参考。文章包含14144字，纯文字阅读大概需要21分钟。
内容图文
paging : http://www.codeproject.com/Articles/44858/Custom-Paging-GridView-in-ASP-NET-Oracle
Oracle sql:
--书分类目录kind
-- Geovin Du
create table BookKindList
(
BookKindID INT PRIMARY KEY,
BookKindName nvarchar2(500) not null,
BookKindParent INT null,
BookKindCode varchar(100) ---編號
);
--序列创建
drop SEQUENCE BookKindList_SEQ;
CREATE SEQUENCE BookKindList_SEQ
INCREMENT BY 1 -- 每次加几个
START WITH 1 -- 从1开始计数
NOMAXVALUE -- 不设置最大值
NOCYCLE -- 一直累加，不循环
NOCACHE; --设置缓存cache个序列，如果系统down掉了或者其它情况将会导致序列不连续，也可以设置为---------NOCACHE
--自增长触发器
drop trigger BookKindList_ID_AUTO;
create or replace trigger BookKindList_ID_AUTO
before insert on BookKindList --BookKindList 是表名
for each row
declare
nextid number;
begin
IF :new.BookKindID IS NULL or :new.BookKindID=0 THEN --BookKindID是列名
select BookKindList_SEQ.Nextval --BookKindList_SEQ正是刚才创建的
into nextid
from dual;
:new.BookKindID:=nextid;
end if;
end;
-- 添加
drop PROCEDURE proc_Insert_BookKindList;
CREATE OR REPLACE PROCEDURE proc_Insert_BookKindList
(
temTypeName nvarchar2,
temParent number
)
AS
ncount number;
begin
--SELECT COUNT (*) INTO ncount FROM BookKindList fm1 where EXISTS (SELECT BookKindName from BookKindList fm2 where fm2.BookKindName=temTypeName);--判斷是否存
SELECT count(*) INTO ncount FROM BookKindList where BookKindName=temTypeName;
if ncount<=0 then
begin
INSERT INTO BookKindList (BookKindName,BookKindParent) VALUES(temTypeName,temParent);
commit;
end;
else
begin
SELECT BookKindID INTO ncount FROM BookKindList where BookKindName=temTypeName;
dbms_output.put_line(‘存在相同的记录,添加不成功!‘||ncount);
end;
end if;
Exception
When others then
dbms_output.put_line(‘存在问题,添加不成功!‘||ncount);
Rollback;
end proc_Insert_BookKindList;
--测试 oracle 11g 涂聚文 20150526
exec proc_Insert_BookKindList (‘油彩画‘,3);
drop PROCEDURE proc_Insert_BookKindOut;
drop PROCEDURE procInsertBookKindOut;
-- 添加有返回值
CREATE OR REPLACE PROCEDURE proc_Insert_BookKindOut --添加返回ID
(
temTypeName nvarchar2,
temParent int,
temId out int
)
AS
ncount number;
reid number;
begin
--SELECT COUNT (*) INTO ncount FROM BookKindList fm1 where EXISTS (SELECT BookKindName from BookKindList fm2 where fm2.BookKindName=temTypeName);--判斷是否存
SELECT count(*) INTO ncount FROM BookKindList where BookKindName=temTypeName;
if ncount<=0 then
begin
--INSERT INTO BookKindList (BookKindID,BookKindName,BookKindParent) VALUES(BookKindList_SEQ.nextval,temTypeName,temParent);
INSERT INTO BookKindList (BookKindName,BookKindParent) VALUES(temTypeName,temParent);
select BookKindList_SEQ.currval into reid from dual;
temId:=reid;
dbms_output.put_line(‘添加成功!‘||temId);
commit;
end;
else
begin
SELECT BookKindID INTO ncount FROM BookKindList where BookKindName=temTypeName;
dbms_output.put_line(‘存在相同的记录,添加不成功!‘||ncount);
temId:=0;
end;
end if;
Exception
When others then
begin
dbms_output.put_line(‘存在问题,添加不成功!‘||ncount);
temId:=0;
Rollback;
end;
end proc_Insert_BookKindOut;
--测试 oracle 11g 涂聚文 20150526
declare
mid number:=0;
nam nvarchar2(100):=‘黑白画‘;
par number:=3;
begin
--proc_Insert_BookKindOut(nam in nvarchar2,par in int,mid in out int);
proc_Insert_BookKindOut(nam,par ,mid);
if mid>0 then
dbms_output.put_line(‘添加成功!输出参数:‘||mid);
else
dbms_output.put_line(‘存在相同的记录,添加不成功!输出参数:‘||mid);
end if;
end;
--修改
CREATE OR REPLACE PROCEDURE procUpdateBookKindList (
p_id IN INT,--BookKindList.BookKindID%TYPE,
p_name IN nvarchar2,--BookKindList.BookKindName%TYPE,
p_parent IN INT,--BookKindList.BookKindParent%TYPE,
p_code IN varchar--BookKindList.BookKindCode%TYPE
)
IS
ncount number;
BEGIN
SELECT count(*) INTO ncount FROM BookKindList where BookKindName=p_name;
if ncount<=0 then
begin
UPDATE BookKindList SET BookKindName=p_name,BookKindParent=p_parent,BookKindCode=p_code WHERE BookKindID=p_id;
COMMIT;
end;
else
begin
SELECT BookKindID INTO ncount FROM BookKindList where BookKindName=p_name;
dbms_output.put_line(‘存在相同的记录,修改不成功!‘||ncount);
end;
end if;
END procUpdateBookKindList;
--测试
begin
procUpdateBookKindList(8,‘哲学‘,1,‘Geovin Du‘);
end;
--删除
CREATE OR REPLACE PROCEDURE procDeleteBookKindList(p_BookKindID IN BookKindList.BookKindID%TYPE)
IS
BEGIN
DELETE BookKindList where BookKindID = p_BookKindID;
COMMIT;
END;
---一条记录
--创建包:
create or replace package pack_BookKindId is
type cur_BookKindId is ref cursor;
end pack_BookKindId;
--创建存储过程
create or replace procedure procSelectBookKindList
(p_id in int,p_cur out pack_BookKindId.cur_BookKindId)
is
v_sql varchar2(400);
begin
if p_id = 0 then --0 查询所有
open p_cur for select * from BookKindList;
else
v_sql := ‘select * from BookKindList where BookKindID =: p_id‘;
open p_cur for v_sql using p_id;
end if;
end procSelectBookKindList;
--创建包以游标的形式返回BookKindList表的所有记录结果集
drop package pkg_Select_BookKindListAll;
drop procedure proc_Select_BookKindListAll;
create or replace package pkgSelectBookKindListAll is
-- Author : geovindu
type mycur is ref cursor;
procedure procSelectBookKindListAll(cur_return out mycur);
end pkgSelectBookKindListAll;
create or replace package body pkgSelectBookKindListAll is
-- Function and procedure implementations
procedure procSelectBookKindListAll(cur_return out mycur)
is
begin
open cur_return for select * from BookKindList;
end procSelectBookKindListAll;
end pkgSelectBookKindListAll;
-- 测试包和存储过程查询表中所有内容
declare
--定义游标类型的变量
cur_return pkgSelectBookKindListAll.mycur;
--定义行类型
pdtrow BookKindList%rowtype;
begin
--执行存储过程
pkgSelectBookKindListAll.procSelectBookKindListAll(cur_return);
--遍历游标中的数据
LOOP
--取当前行数据存入pdtrow
FETCH cur_return INTO pdtrow;
--如果未获取数据就结束循环
EXIT WHEN cur_return%NOTFOUND;
--输出获取到的数据
DBMS_OUTPUT.PUT_LINE (pdtrow.BookKindID||‘，‘||pdtrow.BookKindName);
END LOOP;
CLOSE cur_return;
end;
csharp code:
/// <summary>
/// 20160918 涂聚文
/// Geovin Du
/// </summary>
public class BookKindListDAL : IBookKindList
{
//private static string connectionString =@"DATA SOURCE=oracle11g;USER ID=geovin;password=geovindu;";
///<summary>
/// 追加记录
///</summary>
///<param name="BookKindListInfo"></param>
///<returns></returns>
public int InsertBookKindList(BookKindListInfo bookKindList)
{
int ret = 0;
try
{
OracleParameter[] par = new OracleParameter[]{
new OracleParameter("temTypeName",OracleDbType.NVarchar2,1000),
new OracleParameter("temParent",OracleDbType.Int32,4),
};
par[0].Value = bookKindList.BookKindName;
par[0].Direction = ParameterDirection.Input;
par[1].Value = bookKindList.BookKindParent;
par[1].Direction = ParameterDirection.Input;
ret = OracleHelper.ExecuteSql("proc_Insert_BookKindList", CommandType.StoredProcedure, par);
}
catch (OracleException ex)
{
throw ex;
}
return ret;
}
/// <summary>
/// 追加记录返回
/// </summary>
/// <param name="authorList"></param>
/// <param name="authorID"></param>
/// <returns></returns>
public int InsertBookKindOutput(BookKindListInfo bookKindList, out int bookKindLID)
{
bookKindLID = 0;
int ret = 0;
try
{
OracleParameter[] par = new OracleParameter[]{
new OracleParameter("temTypeName",OracleDbType.NVarchar2,1000),
new OracleParameter("temParent",OracleDbType.Int32,4),
new OracleParameter("temId",OracleDbType.Int32,4),
};
par[0].Value = bookKindList.BookKindName;
par[0].Direction = ParameterDirection.Input;
par[1].Value = bookKindList.BookKindParent;
par[1].Direction = ParameterDirection.Input;
par[2].Direction = ParameterDirection.Output;
ret = OracleHelper.ExecuteSql("proc_Insert_BookKindOut", CommandType.StoredProcedure, par);
if (ret > 0)
{
bookKindLID =int.Parse(par[2].Value.ToString());
}
}
catch (OracleException ex)
{
throw ex;
}
return ret;
}
///<summary>
///修改记录
///涂聚文 20160920
///</summary>
///<param name="BookKindListInfo"></param>
///<returns></returns>
public int UpdateBookKindList(BookKindListInfo bookKindList)
{
int ret = 0;
try
{
OracleParameter[] par = new OracleParameter[]{
new OracleParameter("p_id",OracleDbType.Int32,4),
new OracleParameter("p_name",OracleDbType.NVarchar2,1000),
new OracleParameter("p_parent",OracleDbType.Int32,4),
new OracleParameter("p_code",OracleDbType.Varchar2,1000),
};
par[0].Value = bookKindList.BookKindID;
par[0].Direction = ParameterDirection.Input;
par[1].Value = bookKindList.BookKindName;
par[1].Direction = ParameterDirection.Input;
par[2].Value = bookKindList.BookKindParent;
par[2].Direction = ParameterDirection.Input;
par[3].Value = bookKindList.BookKindCode;
par[3].Direction = ParameterDirection.Input;
ret = OracleHelper.ExecuteSql("procUpdateBookKindList", CommandType.StoredProcedure, par);
// ret = 1;
}
catch (OracleException ex)
{
throw ex;
}
return ret;
}
///<summary>
/// 删除记录
///</summary>
///<param name="bookKindIDInfo"></param>
///<returns></returns>
public bool DeleteBookKindList(int bookKindID)
{
bool ret = false;
try
{
OracleParameter par = new OracleParameter("p_BookKindID", bookKindID);
par.Direction = ParameterDirection.Input;
int temp = 0;
temp = OracleHelper.ExecuteSql("procDeleteBookKindList", CommandType.StoredProcedure, par);
if (temp != 0)
{
ret = true;
}
}
catch (OracleException ex)
{
throw ex;
}
return ret;
}
///<summary>
/// 查询记录
///</summary>
///<param name="bookKindIDInfo"></param>
///<returns></returns>
public BookKindListInfo SelectBookKindList(int bookKindID)
{
BookKindListInfo bookKindList = null;
try
{
OracleParameter[] par = new OracleParameter[]{
new OracleParameter("p_id",OracleDbType.Int32,4),
new OracleParameter("p_cur",OracleDbType.RefCursor),
};
par[0].Value = bookKindID;
par[0].Direction = ParameterDirection.Input;
par[1].Direction = ParameterDirection.Output;
using (OracleDataReader reader = OracleHelper.GetReader("procSelectBookKindList", CommandType.StoredProcedure, par)) //proc_Select_BookKindList 提示名称过长Oracle
{
if (reader.Read())
{
bookKindList = new BookKindListInfo();
bookKindList.BookKindID = (!object.Equals(reader["BookKindID"], null)) ? (decimal)reader["BookKindID"] : 0;
bookKindList.BookKindName = (!object.Equals(reader["BookKindName"], null)) ? (string)reader["BookKindName"] : "";
bookKindList.BookKindParent = (!object.Equals(reader["BookKindParent"], null)) ? (decimal)reader["BookKindParent"] : 0;
}
}
}
catch (OracleException ex)
{
throw ex;
}
return bookKindList;
}
///<summary>
/// 查询所有记录
///</summary>
///<returns></returns>
public List<BookKindListInfo> SelectBookKindListAll()
{
List<BookKindListInfo> list = new List<BookKindListInfo>();
BookKindListInfo bookKindList = null;
try
{
//定义参数，注意参数名必须与存储过程定义时一致，且类型为OracleType.Cursor
OracleParameter cur_set = new OracleParameter("cur_return", OracleDbType.RefCursor);
//设置参数为输出类型
cur_set.Direction = ParameterDirection.Output;
//
//OracleHelper.ExecuteReader(connectionString, CommandType.StoredProcedure, "pkg_Select_BookKindListAll.proc_Select_BookKindListAll", cur_set)
using (OracleDataReader reader = OracleHelper.GetReader("pkg_Select_BookKindListAll.proc_Select_BookKindListAll", CommandType.StoredProcedure, cur_set))
{
while (reader.Read())
{
bookKindList = new BookKindListInfo();
string s = reader["BookKindID"].ToString();
bookKindList.BookKindID = (!object.Equals(reader["BookKindID"], null)) ? (decimal)reader["BookKindID"] : 0;
bookKindList.BookKindName = (!object.Equals(reader["BookKindName"], null)) ? (string)reader["BookKindName"] : "";
bookKindList.BookKindParent = (!object.Equals(reader["BookKindParent"], null)) ? (decimal)reader["BookKindParent"] : 0;
list.Add(bookKindList);
}
}
}
catch (OracleException ex)
{
throw ex;
}
return list;
}
///<summary>
/// 查询所有记录
///</summary>
///<returns></returns>
public DataTable SelectBookKindListDataTableAll()
{
DataTable dt = new DataTable();
try
{
//定义参数，注意参数名必须与存储过程定义时一致，且类型为OracleType.Cursor
OracleParameter cur_set = new OracleParameter("cur_return", OracleDbType.RefCursor);
//设置参数为输出类型
cur_set.Direction = ParameterDirection.Output;
//添加参数
//comm.Parameters.Add(cur_set);
using (DataTable reader = OracleHelper.GetTable("pkgSelectBookKindListAll.procSelectBookKindListAll", CommandType.StoredProcedure, cur_set))
{
dt = reader;
}
}
catch (OracleException ex)
{
throw ex;
}
return dt;
}
/// <summary>
/// 填充dataSet数据集－Oracle库
/// </summary>
/// <param name="pindex">当前页</param>
/// <param name="psql">执行查询的SQL语句</param>
/// <param name="psize">每页显示的记录数</param>
/// <returns></returns>
private bool gridbind(int pindex, string psql, int psize)
{
OracleConnection conn = new OracleConnection();
OracleCommand cmd = new OracleCommand();
OracleDataAdapter dr = new OracleDataAdapter();
conn.ConnectionString = System.Configuration.ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
cmd.Connection = conn;
cmd.CommandType = CommandType.StoredProcedure;
conn.Open();
cmd.CommandText = "DotNet.DotNetPageRecordsCount";
cmd.Parameters.Add("psqlcount", OracleDbType.Varchar2).Value = psql;
cmd.Parameters.Add("prcount", OracleDbType.Int32).Direction = ParameterDirection.Output;
cmd.ExecuteNonQuery();
string PCount = cmd.Parameters["prcount"].Value.ToString();
cmd.Parameters.Clear();
cmd.CommandText = "DotNet.DotNetPagination";
if (pindex != 0)
{
cmd.Parameters.Add("pindex", OracleDbType.Int32).Value = pindex - 1;
}
else
{
cmd.Parameters.Add("pindex", OracleDbType.Int32).Value = pindex;
}
cmd.Parameters.Add("psql", OracleDbType.Varchar2).Value = psql;
cmd.Parameters.Add("psize", OracleDbType.Int32).Value = psize;
cmd.Parameters.Add("v_cur", OracleDbType.RefCursor).Direction = ParameterDirection.Output;
cmd.Parameters.Add("pcount", OracleDbType.Int32).Direction = ParameterDirection.Output;
dr.SelectCommand = cmd;
try
{
DataSet ds = new DataSet();
dr.Fill(ds);
//显示页码条的状态
//showStatus(Convert.ToInt32(cmd.Parameters["pindex"].Value + 1,
// Convert.ToInt32(cmd.Parameters["pcount"].Value),
// Convert.ToInt32(PCount));
for (int i = 0; i < ds.Tables.Count; i++)
{ //把数据行为零的表删除
if (ds.Tables[i].Rows.Count == 0)
ds.Tables.Remove(ds.Tables[i].TableName);
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
return false;
}
conn.Close();
return true;
}
}
csharp: Oracle Stored Procedure DAL using ODP.NET
标签：
本文系统来源：http://www.cnblogs.com/geovindu/p/5892017.html
内容总结
以上是互联网集市为您收集整理的csharp: Oracle Stored Procedure DAL using ODP.NET全部内容，希望文章能够帮你解决csharp: Oracle Stored Procedure DAL using ODP.NET所遇到的程序开发问题。 如果觉得互联网集市技术教程内容还不错，欢迎将互联网集市网站推荐给程序员好友。
内容备注
版权声明：本文内容由互联网用户自发贡献，该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务，不拥有所有权，不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容， 请发送邮件至 gblab@vip.qq.com 举报，一经查实，本站将立刻删除。
内容手机端
扫描二维码推送至手机访问。
来源：【匿名】