HospitalManageSys/Form_PWD.cs

   1 using System;
   2 using System.Collections.Generic;
   3 using System.ComponentModel;
   4 using System.Data;
   5 using System.Drawing;
   6 using System.Linq;
   7 using System.Text;
   8 using System.Windows.Forms;
   9 using MySql.Data.MySqlClient;
  10
  11 namespace HospitalManageSys
  12 {
  13     public partial class Form_PWD : Form
  14     {
  15         MySqlConnection con;
  16         MySqlCommand cmd;
  17         MySqlDataAdapter ada;
  18         DataSet ds;
  19
  20         public Form_PWD(MySqlConnection connector)
  21         {
  22             InitializeComponent();
  23
  24             con = connector;
  25
  26             cmd = new MySqlCommand("select * from administrator where Admin_ID = " + HospitalManageSys.SqlCmd.admin_id, con);
  27             ada = new MySqlDataAdapter(cmd);
  28             ds = new DataSet();
  29             ada.Fill(ds);
  30         }
  31
  32         private void button_cancel_Click(object sender, EventArgs e)
  33         {
  34             this.Close();
  35         }
  36
  37         private void button_OK_Click(object sender, EventArgs e)
  38         {
  39             if (this.textBox_prePWD.Text.Trim() == string.Empty || this.textBox_newPWD.Text.Trim() == string.Empty || this.textBox_PWDagain.Text.Trim() == string.Empty)
  40             {
  41                 MessageBox.Show("密码不能为空！", "提示", MessageBoxButtons.OK);
  42                 return;
  43             }
  44
  45             if (!this.textBox_prePWD.Text.GetHashCode().Equals(Convert.ToInt32(ds.Tables[0].Rows[0].ItemArray[9])))
  46             {
  47                 textBox_prePWD.Clear();
  48                 textBox_newPWD.Clear();
  49                 textBox_PWDagain.Clear();
  50                 MessageBox.Show("原密码不正确！请再次输入！", "提示", MessageBoxButtons.OK);
  51
  52                 return;
  53             }
  54             else
  55                 if (!this.textBox_newPWD.Text.Equals(this.textBox_PWDagain.Text))
  56                 {
  57                     textBox_newPWD.Clear();
  58                     textBox_PWDagain.Clear();
  59                     MessageBox.Show("两次输入新密码不一样！请重新输入！", "提示", MessageBoxButtons.OK);
  60
  61                     return;
  62                 }
  63                 else
  64                 {
  65                     con.Open();
  66                     cmd.CommandText = "update administrator set Admin_password ='" + this.textBox_newPWD.Text.GetHashCode()
  67                                                            + "' where Admin_ID = " + HospitalManageSys.SqlCmd.admin_id;
  68                     cmd.ExecuteNonQuery();
  69                     con.Close();
  70
  71                     MessageBox.Show("密码修改成功！请不要忘记修改后的密码！");
  72
  73                     this.Close();
  74                 }
  75
  76
  77         }
  78
  79         private void Form_PWD_Load(object sender, EventArgs e)
  80         {
  81
  82         }
  83     }
  84 }