C#调用Oracle存储过程的代码如下所示：
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using System;using System.Collections.Generic;using System.Collections.ObjectModel;using System.ComponentModel;using System.Configuration;using System.Data;using System.Data.OracleClient;using System.Drawing;using System.Linq;using System.Reflection;using System.Text;using System.Threading.Tasks;using System.Windows.Forms;namespace ExecuteProcByOracle{ public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void Btn_LoadData_Click(object sender, EventArgs e) { // 存储过程名称 string strProcName = "usp_yngr_getInfectionCard"; // 存储过程参数 OracleParameter[] parameters = { new OracleParameter("V_BeginTime",OracleType.VarChar), new OracleParameter("V_EndTime",OracleType.VarChar), new OracleParameter("V_DateType",OracleType.Number), new OracleParameter("V_PtName",OracleType.VarChar), new OracleParameter("V_PtChartNo",OracleType.VarChar), new OracleParameter("V_DeptCode",OracleType.VarChar), new OracleParameter("V_CheckedStatus",OracleType.VarChar), // 返回值的类型是游标类型 new OracleParameter("cur_out",OracleType.Cursor) }; // 设置存储过程参数数组的值和参数的类型 parameters[0].Value = "2017-06-01"; parameters[0].Direction = ParameterDirection.Input; parameters[1].Value = "2017-07-31"; parameters[1].Direction = ParameterDirection.Input; parameters[2].Value = 1; parameters[2].Direction = ParameterDirection.Input; parameters[3].Value = ""; parameters[3].Direction = ParameterDirection.Input; parameters[4].Value = ""; parameters[4].Direction = ParameterDirection.Input; parameters[5].Value = ""; parameters[5].Direction = ParameterDirection.Input; parameters[6].Value = "1"; parameters[6].Direction = ParameterDirection.Input; parameters[7].Direction = ParameterDirection.Output; this.dgv_Demo.DataSource = LoadData(strProcName, parameters); } private DataTable LoadData(string strProcName, params OracleParameter[] parameters) { DataTable dt = new DataTable(); string strConn = ConfigurationManager.ConnectionStrings["HealthHospInfection"].ConnectionString; using (OracleConnection conn = new OracleConnection(strConn)) { try { OracleCommand cmd = new OracleCommand(); cmd.CommandText = strProcName; cmd.CommandType = CommandType.StoredProcedure; cmd.Connection = conn; conn.Open(); if (parameters != null) { // 添加参数 cmd.Parameters.AddRange(parameters); } // 取数据 using (OracleDataAdapter adapter = new OracleDataAdapter(cmd)) { adapter.Fill(dt); } } catch (Exception ex) { MessageBox.Show("错误:" + ex.Message + "/r/n跟踪:" + ex.StackTrace); } finally { conn.Close(); } } return dt; } }} |
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原文链接：https://www.cnblogs.com/dotnet261010/p/7428567.html
