show.cs

c#写的管理程序

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Data.OracleClient;

namespace 人事管理
{
    public partial class show : Form
    {
        public show()
        {
            InitializeComponent();
        }

        private void button2_Click(object sender, EventArgs e)
        {
            this.Hide();
            Employee_window ew = new Employee_window();
            ew.ShowDialog();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            string ConnectionString = "Data Source=127.0.0.1;User Id=system;Password=crystal;";
            OracleConnection conn = new OracleConnection(ConnectionString);
            try
            {
                conn.Open();
                if (radioButton1.Checked)
                {
                    OracleCommand cmd = new OracleCommand("Emp_SHOW.show_empInfo", conn);
                    cmd.CommandType = CommandType.StoredProcedure;

                    OracleParameter[] parameters ={
                    new OracleParameter("emp_no",OracleType.Number,4),
                    new OracleParameter("emp_name",OracleType.VarChar,10),
                    new OracleParameter("emp_job",OracleType.VarChar,9),
                    new OracleParameter("emp_sal",OracleType.Number,7),
                    new OracleParameter("emp_deptno",OracleType.Number,2)
                };

                    parameters[0].Direction = ParameterDirection.InputOutput;
                    parameters[1].Direction = ParameterDirection.Output;
                    parameters[2].Direction = ParameterDirection.Output;
                    parameters[3].Direction = ParameterDirection.Output;
                    parameters[4].Direction = ParameterDirection.Output;
                   

                    parameters[0].Value = this.textBox1.Text.ToString();
                    parameters[1].Value = "";
                    parameters[2].Value = "";
                    parameters[3].Value = 0;
                    parameters[4].Value = 0;

                    foreach (OracleParameter parameter in parameters) cmd.Parameters.Add(parameter);

                    cmd.ExecuteNonQuery();
                    int result = int.Parse(parameters[0].Value.ToString());
                    string result1 = parameters[1].Value.ToString();
                    string result2 = parameters[2].Value.ToString();
                    string result3 = parameters[3].Value.ToString();
                    string result4 = parameters[4].Value.ToString();
                

                    if (cmd.ExecuteNonQuery() > 0)
                    {
                        MessageBox.Show("员工编号： " + result + "\n员工姓名： " + result1 + "\n员工职位： " + result2 + "\n员工工资： " + result3 + "\n部门编号：" + result4);
                    }
                    else
                    {
                        MessageBox.Show("查询失败");
                    }
                }

                if (radioButton2.Checked)
                {
                    OracleCommand cmd = new OracleCommand("Emp_SHOW.show_allempInfo", conn);
                    cmd.CommandType = CommandType.StoredProcedure;
                    OracleParameter para = new OracleParameter("showout", OracleType.Cursor);

                    para.Direction = ParameterDirection.Output;
                    cmd.Parameters.Add(para);

                    DataTable dt = new DataTable("emp");
                    OracleDataReader odr = cmd.ExecuteReader();
                    dt.Load(odr);
                    this.dataGridView1.DataSource = dt;
                }

            }
            catch (Exception ee)
            {
                MessageBox.Show(ee.Message);
            }
            finally
            {
                conn.Close();
            }
        
        }
    }
}