upd_emp.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 upd_emp : Form
    {
        public upd_emp()
        {
            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();
                OracleCommand cmd = new OracleCommand("Emp_Show.update_Emp", 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),
                    new OracleParameter("ReturnValue",OracleType.Number)
                };

                parameters[5].Direction = ParameterDirection.ReturnValue;
                parameters[0].Value = this.textBox1.Text.ToString();
                parameters[1].Value = this.textBox2.Text.ToString();
                parameters[2].Value = this.textBox3.Text.ToString();
                parameters[3].Value = this.textBox4.Text.ToString();
                parameters[4].Value = this.textBox5.Text.ToString();

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

                cmd.ExecuteNonQuery();
                int result = int.Parse(parameters[5].Value.ToString());
                if (result == 1)
                {
                    MessageBox.Show("修改成功");
                }
                else
                {
                    MessageBox.Show("修改失败");
                }

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