C#调用Oracle存储过程

C#调用Oracle存储过程的代码如下所示：

 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[].Value = "2017-06-01";
             parameters[].Direction = ParameterDirection.Input;
             parameters[].Value = "2017-07-31";
             parameters[].Direction = ParameterDirection.Input;
             parameters[].Value = ;
             parameters[].Direction = ParameterDirection.Input;
             parameters[].Value = "";
             parameters[].Direction = ParameterDirection.Input;
             parameters[].Value = "";
             parameters[].Direction = ParameterDirection.Input;
             parameters[].Value = "";
             parameters[].Direction = ParameterDirection.Input;
             parameters[].Value = "";
             parameters[].Direction = ParameterDirection.Input;
             parameters[].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;
         }
     }
 }

示例代码下载地址：https://files.cnblogs.com/files/dotnet261010/CSharp%E6%89%A7%E8%A1%8COracle%E5%AD%98%E5%82%A8%E8%BF%87%E7%A8%8B.rar