ODP.NET:

引用：

using Oracle.DataAccess; //Oracle g 11.2.0 using Oracle.DataAccess.Client; using Oracle.DataAccess.Types; //下載 http://www.oracle.com/technetwork/topics/dotnet/downloads/net-downloads-160392.html //引用：D:\app\geovindu\product\11.2.0\dbhome_1\ODP.NET\bin //用法參考 // //http://docs.oracle.com/cd/B28359_01/appdev.111/b28844/procedures_dot_net.htm //http://docs.oracle.com/cd/B19306_01/win.102/b14307/OracleDataAdapterClass.htm //.net 4.0 //https://docs.oracle.com/cd/B19306_01/server.102/b14220/schema.htm

　　數據庫連接字符串：

public string connectionString = @"DATA SOURCE=oracle11g;USER ID=geovin;password=geovindu;";

　　

/// <summary>/// 20160918 涂聚文/// Geovin Du/// </summary>public class BookKindListDAL : IBookKindList{///<summary>/// 追加記錄///</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[1].Value = bookKindList.BookKindParent;ret = OracleHelper.ExecuteSql("proc_Insert_BookKindList", CommandType.StoredProcedure, par);}catch (OracleException ex){throw ex;}return ret;}/// <summary>/// 追加記錄返回/// </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[1].Value = bookKindList.BookKindParent;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>///修改記錄///</summary>///<param name="BookKindListInfo"></param>///<returns></returns>public int UpdateBookKindList(BookKindListInfo bookKindList){int ret = 0;try{OracleParameter[] par = new OracleParameter[]{new OracleParameter("BookKindID",OracleDbType.Int32,4),new OracleParameter("BookKindName",OracleDbType.NVarchar2,1000),new OracleParameter("BookKindParent",OracleDbType.Int32,4),};par[0].Value = bookKindList.BookKindID;par[1].Value = bookKindList.BookKindName;par[2].Value = bookKindList.BookKindParent;ret = OracleHelper.ExecuteSql("proc_Update_BookKindList", CommandType.StoredProcedure, par);}catch (OracleException ex){throw ex;}return ret;}///<summary>/// 刪除記錄///</summary>///<param name="bookKindIDInfo"></param>///<returns></returns>public bool DeleteBookKindList(int bookKindID){bool ret = false;try{OracleParameter par = new OracleParameter("BookKindID", bookKindID);int temp = 0;temp = OracleHelper.ExecuteSql("proc_Delete_BookKindList", CommandType.StoredProcedure, par);if (temp != 0){ret = true;}}catch (OracleException ex){throw ex;}return ret;}///<summary>/// 查詢記錄///</summary>///<param name="bookKindIDInfo"></param>///<returns></returns>public BookKindListInfo SelectBookKindList(int bookKindID){BookKindListInfo bookKindList = null;try{OracleParameter par = new OracleParameter("BookKindID", bookKindID);using (OracleDataReader reader = OracleHelper.GetReader("proc_Select_BookKindList", CommandType.StoredProcedure, par)){if (reader.Read()){bookKindList = new BookKindListInfo();bookKindList.BookKindID = (!object.Equals(reader["BookKindID"], null)) ? (int)reader["BookKindID"] : 0;bookKindList.BookKindName = (!object.Equals(reader["BookKindName"], null)) ? (string)reader["BookKindName"] : "";bookKindList.BookKindParent = (!object.Equals(reader["BookKindParent"], null)) ? (int)reader["BookKindParent"] : 0;}}}catch (OracleException ex){throw ex;}return bookKindList;}///<summary>/// 查詢所有記錄///</summary>///<returns></returns>public List<BookKindListInfo> SelectBookKindListAll(){List<BookKindListInfo> list = new List<BookKindListInfo>();BookKindListInfo bookKindList = null;try{using (OracleDataReader reader = OracleHelper.GetReader("proc_Select_BookKindListAll", CommandType.StoredProcedure, null)){while (reader.Read()){bookKindList = new BookKindListInfo();bookKindList.BookKindID = (!object.Equals(reader["BookKindID"], null)) ? (int)reader["BookKindID"] : 0;bookKindList.BookKindName = (!object.Equals(reader["BookKindName"], null)) ? (string)reader["BookKindName"] : "";bookKindList.BookKindParent = (!object.Equals(reader["BookKindParent"], null)) ? (int)reader["BookKindParent"] : 0;list.Add(bookKindList);}}}catch (OracleException ex){throw ex;}return list;}///<summary>/// 查詢所有記錄///</summary>///<returns></returns>public DataTable SelectBookKindListDataTableAll(){DataTable dt = new DataTable();try{using (DataTable reader = OracleHelper.GetTable("proc_Select_BookKindListAll", CommandType.StoredProcedure, null)){dt = reader;}}catch (OracleException ex){throw ex;}return dt;}}

　　System.Data.OracleClient(.net 4.0)

引用：

using System.Collections; using System.Data; using System.Configuration; using System.Data.OracleClient;//.net 4.0//用法參考 //https://msdn.microsoft.com/en-us/library/system.data.oracleclient.oracledataadapter(v=vs.110).aspx //http://blog.csdn.net/chinawn/article/details/336904 //C:\Program Files\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.0\System.Data.OracleClient.dll

　　數據庫連接字符串：

public string connectionString = @"Data Source=(DESCRIPTION = (ADDRESS_LIST= (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))) (CONNECT_DATA = (SERVICE_NAME = oracle11g)));user id=geovin;password=geovindu;Persist Security Info=True;";

　　

/// <summary>/// 20160918 涂聚文/// Geovin Du/// </summary>public class BookKindListDAL : IBookKindList{///<summary>/// 追加記錄///</summary>///<param name="BookKindListInfo"></param>///<returns></returns>public int InsertBookKindList(BookKindListInfo bookKindList){int ret = 0;try{OracleParameter[] par = new OracleParameter[]{new OracleParameter("temTypeName",OracleType.NVarChar,1000),new OracleParameter("temParent",OracleType.Number,4),};par[0].Value = bookKindList.BookKindName;par[1].Value = bookKindList.BookKindParent;ret = OracleHelper.ExecuteSql("proc_Insert_BookKindList", CommandType.StoredProcedure, par);}catch (OracleException ex){throw ex;}return ret;}/// <summary>/// 追加記錄返回/// </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",OracleType.NVarChar,1000),new OracleParameter("temParent",OracleType.Number,4),new OracleParameter("temId",OracleType.Number,4),};par[0].Value = bookKindList.BookKindName;par[1].Value = bookKindList.BookKindParent;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>///修改記錄///</summary>///<param name="BookKindListInfo"></param>///<returns></returns>public int UpdateBookKindList(BookKindListInfo bookKindList){int ret = 0;try{OracleParameter[] par = new OracleParameter[]{new OracleParameter("BookKindID",OracleType.Number,4),new OracleParameter("BookKindName",OracleType.NVarChar,1000),new OracleParameter("BookKindParent",OracleType.Number,4),};par[0].Value = bookKindList.BookKindID;par[1].Value = bookKindList.BookKindName;par[2].Value = bookKindList.BookKindParent;ret = OracleHelper.ExecuteSql("proc_Update_BookKindList", CommandType.StoredProcedure, par);}catch (OracleException ex){throw ex;}return ret;}///<summary>/// 刪除記錄///</summary>///<param name="bookKindIDInfo"></param>///<returns></returns>public bool DeleteBookKindList(int bookKindID){bool ret = false;try{OracleParameter par = new OracleParameter("BookKindID", bookKindID);int temp = 0;temp = OracleHelper.ExecuteSql("proc_Delete_BookKindList", CommandType.StoredProcedure, par);if (temp != 0){ret = true;}}catch (OracleException ex){throw ex;}return ret;}///<summary>/// 查詢記錄///</summary>///<param name="bookKindIDInfo"></param>///<returns></returns>public BookKindListInfo SelectBookKindList(int bookKindID){BookKindListInfo bookKindList = null;try{OracleParameter par = new OracleParameter("BookKindID", bookKindID);using (OracleDataReader reader = OracleHelper.GetReader("proc_Select_BookKindList", CommandType.StoredProcedure, par)){if (reader.Read()){bookKindList = new BookKindListInfo();bookKindList.BookKindID = (!object.Equals(reader["BookKindID"], null)) ? (int)reader["BookKindID"] : 0;bookKindList.BookKindName = (!object.Equals(reader["BookKindName"], null)) ? (string)reader["BookKindName"] : "";bookKindList.BookKindParent = (!object.Equals(reader["BookKindParent"], null)) ? (int)reader["BookKindParent"] : 0;}}}catch (OracleException ex){throw ex;}return bookKindList;}///<summary>/// 查詢所有記錄///</summary>///<returns></returns>public List<BookKindListInfo> SelectBookKindListAll(){List<BookKindListInfo> list = new List<BookKindListInfo>();BookKindListInfo bookKindList = null;try{using (OracleDataReader reader = OracleHelper.GetReader("proc_Select_BookKindListAll", CommandType.StoredProcedure, null)){while (reader.Read()){bookKindList = new BookKindListInfo();bookKindList.BookKindID = (!object.Equals(reader["BookKindID"], null)) ? (int)reader["BookKindID"] : 0;bookKindList.BookKindName = (!object.Equals(reader["BookKindName"], null)) ? (string)reader["BookKindName"] : "";bookKindList.BookKindParent = (!object.Equals(reader["BookKindParent"], null)) ? (int)reader["BookKindParent"] : 0;list.Add(bookKindList);}}}catch (OracleException ex){throw ex;}return list;}///<summary>/// 查詢所有記錄///</summary>///<returns></returns>public DataTable SelectBookKindListDataTableAll(){DataTable dt = new DataTable();try{using (DataTable reader = OracleHelper.GetTable("proc_Select_BookKindListAll", CommandType.StoredProcedure, null)){dt = reader;}}catch (OracleException ex){throw ex;}return dt;}}

　　System.Data.OleDb

string connString = "Provider=OraOLEDB.Oracle.1;User ID=geovin;Password=geovindu;Data Source=(DESCRIPTION = (ADDRESS_LIST= (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))) (CONNECT_DATA = (SERVICE_NAME = oracle11g)))";OleDbConnection conn = new OleDbConnection(connString);try{conn.Open();MessageBox.Show(conn.State.ToString());DataTable dt = conn.GetSchema(this.comboBox1.Text.Trim());this.dataGridView1.DataSource = dt;this.textBox1.Text = GetColumnNames(dt);}catch (Exception ex){MessageBox.Show(ex.Message.ToString());}finally{conn.Close();}

　　oracle package sql:

/**創建一個名為pkgBookKinds的包查所表中所有內容**/ create or replace package pkg_BookKinds is --定義一個公有的游標類型cursor_pdt --ref 可以在程序間傳遞結果集 --一個程序里打開游標變量，在另外的程序里處理數據 type cursor_pdt is ref cursor; --聲明一個存儲過程 ,游標類型參數為輸出類型 procedure proc_GetAllBookKind(cur_set out cursor_pdt); end pkg_BookKinds;/**創建一個包體**/ create or replace package body pkg_BookKinds is--實現包中沒有實現的存儲過程procedure proc_GetAllBookKind(cur_set out cursor_pdt) asbegin --打開游標，由于定義游標時使用ref處理游標可以推遲到客戶端open cur_set for select * from BookKindList;end; end;/**使用過程測試定義的存儲過程**/ declare --定義游標類型的變量 cur_set pkg_BookKinds.cursor_pdt; --定義行類型 pdtrow BookKindList%rowtype; begin--執行存儲過程pkg_BookKinds.proc_GetAllBookKind(cur_set);--遍歷游標中的數據LOOP--取當前行數據存入pdtrowFETCH cur_set INTO pdtrow;--如果未獲取數據就結束循環EXIT WHEN cur_set%NOTFOUND;--輸出獲取到的數據DBMS_OUTPUT.PUT_LINE (pdtrow.BookKindID||'，'||pdtrow.BookKindName);END LOOP;CLOSE cur_set;end;

　

--創建包以游標的形式返回BookKindList的結果集 create or replace package pkg_BookKindList is -- Author : geovindutype mycur is ref cursor; procedure fun_GetRecords(cur_return out mycur); end pkg_BookKindList;create or replace package body pkg_BookKindList is-- Function and procedure implementationsprocedure fun_GetRecords(cur_return out mycur)is beginopen cur_return for select * from BookKindList;end fun_GetRecords;end pkg_BookKindList;declare --定義游標類型的變量 cur_return pkg_BookKindList.mycur; --定義行類型 pdtrow BookKindList%rowtype; begin--執行存儲過程pkg_BookKindList.fun_GetRecords(cur_return);--遍歷游標中的數據LOOP--取當前行數據存入pdtrowFETCH cur_return INTO pdtrow;--如果未獲取數據就結束循環EXIT WHEN cur_return%NOTFOUND;--輸出獲取到的數據DBMS_OUTPUT.PUT_LINE (pdtrow.BookKindID||'，'||pdtrow.BookKindName);END LOOP;CLOSE cur_return; end;

　　

?

　C# 3.5 調用查詢:

/// <summary>/// /// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void Form3_Load(object sender, EventArgs e){BindGridView();}/// <summary>/// /// </summary>private void BindGridView(){OracleConnection conn = new OracleConnection(connectionString);//ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionStringOracleCommand comm = new OracleCommand("pkg_BookKindList.fun_GetRecords", conn);comm.Parameters.Add("cur_return", OracleType.Cursor).Direction = ParameterDirection.Output;comm.CommandType = CommandType.StoredProcedure;DataSet ds = new DataSet();using (OracleDataAdapter da = new OracleDataAdapter(comm)){da.Fill(ds);}this.dataGridView1.DataSource = ds.Tables[0].DefaultView;}

　　

/// <summary>/// /// </summary>private void BindGridViewOther(){OracleConnection conn = new OracleConnection(connectionString);//ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionStringOracleCommand comm = new OracleCommand("pkg_BookKindList.fun_GetRecords", conn);comm.CommandType = CommandType.StoredProcedure;//定義參數，注意參數名必須與存儲過程定義時一致，且類型為OracleType.CursorOracleParameter cur_set = new OracleParameter("cur_return", OracleType.Cursor);//設置參數為輸出類型cur_set.Direction = ParameterDirection.Output; //添加參數comm.Parameters.Add(cur_set);DataSet ds = new DataSet();using (OracleDataAdapter da = new OracleDataAdapter(comm)){da.Fill(ds);}this.dataGridView1.DataSource = ds.Tables[0].DefaultView;}

　　

Oracle sql:

---某條記錄的字段 drop PROCEDURE proc_Select_BookKindName;CREATE OR REPLACE PROCEDURE proc_Select_BookKindName(kind_id IN BookKindList.BookKindID%type) AS--聲明語句段v_name varchar2(20); BEGIN--執行語句段SELECT o.BookKindName INTO v_name FROM BookKindList o where o.BookKindID=kind_id;dbms_output.put_line(v_name); EXCEPTION--異常處理語句段WHEN NO_DATA_FOUND THEN dbms_output.put_line('NO_DATA_FOUND'); END;--測試 begin proc_Select_BookKindName(1); end;---一條記錄 --創建包: create or replace package pack_BookKindId is type cur_BookKindId is ref cursor; end pack_BookKindId; --創建存儲過程 create or replace procedure proc_curBookKindId(p_id in number,p_cur out pack_BookKindId.cur_BookKindId) is v_sql varchar2(400); begin if p_id = 0 then 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 proc_curBookKindId;--測試查詢一條記錄存儲過程 -- Test statements here set serveroutput on declare v_id number := 1; --0 時,所有記錄 v_row BookKindList%rowtype; --注意這里是表名p_cur pack_BookKindId.cur_BookKindId; begin proc_curBookKindId(v_id, p_cur); loop fetch p_cur into v_row; exit when p_cur%notfound; DBMS_OUTPUT.PUT_LINE(v_row.BookKindName||'='||v_row.BookKindID); end loop; close p_cur; end;

　　

ODP.NET:

///<summary>/// 查詢所有記錄///</summary>///<returns></returns>public List<BookKindListInfo> SelectBookKindListAll(){List<BookKindListInfo> list = new List<BookKindListInfo>();BookKindListInfo bookKindList = null;try{//定義參數，注意參數名必須與存儲過程定義時一致，且類型為OracleType.CursorOracleParameter cur_set = new OracleParameter("cur_return", OracleDbType.RefCursor);//設置參數為輸出類型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>/// 查詢所有記錄///</summary>///<returns></returns>public DataTable SelectBookKindListDataTableAll(){DataTable dt = new DataTable();try{//定義參數，注意參數名必須與存儲過程定義時一致，且類型為OracleType.CursorOracleParameter cur_set = new OracleParameter("cur_return", OracleDbType.RefCursor);//設置參數為輸出類型cur_set.Direction = ParameterDirection.Output;//添加參數//comm.Parameters.Add(cur_set);using (DataTable reader = OracleHelper.GetTable("pkg_Select_BookKindListAll.proc_Select_BookKindListAll", CommandType.StoredProcedure, cur_set)){dt = reader;}}catch (OracleException ex){throw ex;}return dt;}

　　

轉載于:https://www.cnblogs.com/geovindu/p/5881963.html

總結

以上是生活随笔為你收集整理的csharp: ODP.NET,System.Data.OracleClient(.net 4.0) and System.Data.OleDb读取Oracle g 11.2.0的区别...的全部內容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網站內容還不錯，歡迎將生活随笔推薦給好友。