洛 阳 理 工 学 院 课 程 设 计 报 告
} }
} if (!b) {
MessageBox.Show(\用户名不存在或密码错误\ UsecrettextBox.Clear(); UnametextBox.Focus(); return; }
} else {
MessageBox.Show(\请选择用户类型\ UnametextBox.Clear(); UsecrettextBox.Clear(); UnametextBox.Focus(); return; } } }
public partial class StudentForm : Form //学生界面 {
public StudentForm() {
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洛 阳 理 工 学 院 课 程 设 计 报 告
InitializeComponent(); }
DataClasses1DataContext db;
private void StudentForm_Load(object sender, EventArgs e) {
db = new DataClasses1DataContext(); SnotextBox.Text = UserInform.UserName; SnotextBox1.Text = UserInform.UserName;
var ss = from s in db.Student where s.Sno == UserInform.UserName select s; foreach (var itm in ss) {
SnametextBox.Text = itm.Sname; SagetextBox.Text = itm.Sage.ToString(); SsextextBox.Text = itm.Ssex; } }
private void label4_Click(object sender, EventArgs e) {
this.Close();
UserInform.lg.Visible = true; }
private void label3_Click(object sender, EventArgs e) {
panel2.Visible = true; }
private void Enterbutton_Click(object sender, EventArgs e)
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洛 阳 理 工 学 院 课 程 设 计 报 告
{
db = new DataClasses1DataContext(); if (textBox1.Text == \ {
MessageBox.Show(\请输入原密码\ textBox1.Clear(); textBox2.Clear(); textBox3.Clear(); textBox1.Focus(); }
else if (textBox1.Text == UserInform.UserSecret) {
if(textBox2.Text==textBox3.Text) {
var ss = from s in db.UserInfo where s.Uname == UserInform.UserName && s.Utype == UserInform.UserType select s; var ui = ss.FirstOrDefault(); if (ui != null) {
ui.Usecret = textBox2.Text; db.SubmitChanges();
MessageBox.Show(\修改成功\ textBox1.Clear(); textBox2.Clear(); textBox3.Clear(); panel2.Visible = false; }
}
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洛 阳 理 工 学 院 课 程 设 计 报 告
else {
MessageBox.Show(\两次输入应相同\ textBox3.Clear(); textBox3.Focus(); } } else {
MessageBox.Show(\原密码输入错误，请重新输入\ textBox1.Clear(); textBox2.Clear(); textBox3.Clear(); textBox1.Focus(); } }
private void Cancelbutton_Click(object sender, EventArgs e) {
textBox1.Clear(); textBox2.Clear(); textBox3.Clear(); panel2.Visible = false; }
private void StudentForm_FormClosing(object sender, FormClosingEventArgs e) {
db = new DataClasses1DataContext(); this.bindingSource1.DataSource = db.UserInfo;
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