1 using System;
2 using System.Collections.Generic;
3 using System.ComponentModel;
4 using System.Data;
5 using System.Data.SqlClient;
6 using System.Drawing;
7 using System.Linq;
8 using System.Text;
9 using System.Threading.Tasks;
10 using System.Windows.Forms;
11
12 namespace 物业管理登录页面
13 {
14 public partial class checkpwd : Form
15 {
16 public checkpwd()
17 {
18 InitializeComponent();
19 }
20
21 private void textBox3_TextChanged(object sender, EventArgs e)
22 {
23 this.textBox3.PasswordChar = \'*\';
24 }
25
26 private void textBox4_TextChanged(object sender, EventArgs e)
27 {
28 this.textBox4.PasswordChar = \'*\';
29 }
30
31 private void button1_Click(object sender, EventArgs e)
32 {
33 //判断各个字段是否为空，如果为空提示用户
34 if ((textBox1.Text==""|| textBox2.Text == "" || textBox3.Text == "" || textBox4.Text == "" ||radioButton1.Checked!=true)&&radioButton2.Checked!=true)
35 {
36 MessageBox.Show("每个字段都是必填字段！","提示");
37 }
38 else
39 {
40 //判断用户输入密码是否相同
41 if (textBox3.Text!=textBox4.Text)
42 {
43 MessageBox.Show("两次输入的密码不相同！", "提示");
44 }
45 else
46 {
47 //连接数据库字符串
48 string str = "server=.;database=Community system;Integrated Security=true";
49 //创建连接对象
50 SqlConnection conn = new SqlConnection(str);
51 //打开数据库
52 conn.Open();
53 if (radioButton2.Checked==true)
54 {
55 //sql语句
56 string sql = "select usename from userphone where usename=\'"+textBox1.Text+"\'";
57 SqlCommand comm = new SqlCommand(sql, conn);
58 SqlDataReader reader = comm.ExecuteReader();
59 //conn.Close();
60 if (reader.Read())
61 {
62 string name = reader["usename"].ToString();
63 if (name==textBox1.Text)
64 {
65 if (textBox1.Text == "" || textBox2.Text == "" || textBox3.Text == "" || textBox4.Text == "")
66 {
67 MessageBox.Show("每个字段不能为空!");
68 return;
69 }
70 else if (textBox3.Text!=textBox4.Text)
71 {
72 MessageBox.Show("2次输入的新密码不一样,请重新输入!");
73 return;
74 }
75 else
76 {
77 reader.Close();
78 string sql1 = "update userphone set pwd=\'" + textBox3.Text + "\' where usename=\'" + name + "\'";
79 SqlCommand cmd = new SqlCommand(sql1, conn);
80 int x = cmd.ExecuteNonQuery();
81 if (x > 0)
82 {
83 MessageBox.Show("修改成功！", "提示");
84 this.Close();
85 }
86 else
87 {
88 MessageBox.Show("修改失败！", "提示");
89 this.Close();
90 }
91 }
92 }
93 else
94 {
95 MessageBox.Show("并无此人信息", "提示");
96 }
97 }
98 }
99 if (radioButton1.Checked== true)
100 {
101 //sql语句
102 string sql = "select Adname from Adphone";
103 SqlCommand comm = new SqlCommand(sql, conn);
104 SqlDataReader reader = comm.ExecuteReader();
105 //conn.Close();
106 if (reader.Read())
107 {
108 string name = reader["Adname"].ToString();
109 if (name == textBox1.Text)
110 {
111 if (textBox1.Text == "" || textBox2.Text == "" || textBox3.Text == "" || textBox4.Text == "")
112 {
113 MessageBox.Show("新密码确认不能为空!");
114 return;
115 }
116 else if (textBox3.Text != textBox4.Text)
117 {
118 MessageBox.Show("2次输入的新密码不一样,请重新输入!");
119 return;
120 }
121 else
122 {
123 reader.Close();
124 string sql2 = "update Adphone set pwd=\'" + textBox3.Text + "\' where Adname=\'" + name + "\'";
125 SqlCommand cmd = new SqlCommand(sql2, conn);
126 int x = cmd.ExecuteNonQuery();
127 if (x > 0)
128 {
129 MessageBox.Show("修改成功！", "提示");
130 //this.Close();
131 }
132 else
133 {
134 MessageBox.Show("修改失败！", "提示");
135 //this.Close();
136 }
137 }
138 }
139 }
140 else
141 {
142 MessageBox.Show("并无此人信息", "提示");
143 }
144 }
145 }
146 }
147
148 }
149 }
150 }