private void stdexit_Click(object sender, EventArgs e)
{
f0 = new Form0();
f0.Show();
this.Close();
f0.Show();
}
private void shuaxin_Click(object sender, EventArgs e)
{
f0 = new Form0();
string username = f0.userName;
try
{
//获取所有用户信息
//string sql = "select cjb.课程号,课程名,成绩 from cjb,kcb where cjb.课程号=kcb.课程号 and 学号=(select CardID from StdInfo where UserName=N'" + username + "')";
string sql = "select cjb.课程号,课程名,成绩 from cjb,kcb where cjb.课程号=kcb.课程号 and 学号=(select CardID from StdInfo where UserName=N'zhaojie')";
DataSet ds = SqlHelper.ExecuteDataset(conn, CommandType.Text, sql);
if (ds.Tables[0].Rows.Count > 0)
{
//先清空列表
this.listView1.Items.Clear();
//有用户存在
//循环数据库中每一个用户信息，将每个姓名和班级当作一行存到列表变量中
for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
{
//获取用户姓名信息
string cj = ds.Tables[0].Rows[i]["成绩"].ToString();
string kcm = ds.Tables[0].Rows[i]["课程名"].ToString();
string kch = ds.Tables[0].Rows[i]["课程号"].ToString();
//在列表第一列显示班级信息
ListViewItem lvi = new ListViewItem(kch);
//在列表第二列显示姓名信息
lvi.SubItems.Add(kcm);
lvi.SubItems.Add(cj);
this.listView1.Items.Add(lvi);
}
}
else
{
//没有数据，将现有数据清空
this.listView1.Items.Clear();
}
}
catch
{
}
}
private void SureAlert_Click(object sender, EventArgs e)
{
f0 = new Form0();
string newpassword = NewPassword.Text;
string surepassword = SurePassword.Text;
string username = f0.userName;
string password = f0.password;
string type = f0.type;
try
{
if (OldPassword.Text == "" || OldPassword.Text == null)
{
MessageBox.Show("请输入正确的旧密码");
}
else if (/*NewPassword.Text*/ newpassword == "" || /*NewPassword.Text*/ newpassword == null || /*SurePassword.Text*/ surepassword == "" || /*SurePassword.Text*/ surepassword == null)
{
MessageBox.Show("请输入密码");
}
else if (Regex.IsMatch(newpassword, @"^[a-zA-Z0-9]\w{5,17}$") == false)
{
MessageBox.Show("密码以字母开头，长度在6~18之间，只能包含字母、数字和下划线");
}
else
{
// if (type == "学生")
// {
string SelectSQL = "select * from StdInfo where UserName=N'" + username + "'";
DataSet ds = SqlHelper.ExecuteDataset(conn, CommandType.Text, SelectSQL);
string goodhash = ds.Tables[0].Rows[0]["Password"].ToString();
//判断用户输入的密码是否匹配
if (PasswordSecurity.PasswordStorage.VerifyPassword(password, goodhash))
{
if (newpassword != surepassword)
{
MessageBox.Show("两次输入的密码不一致");
}
else if (newpassword == surepassword)
{
try
{
int result;
password = PasswordSecurity.PasswordStorage.CreateHash(newpassword);
string alertSQL = "update StdInfo set Password ='******' where UserName = '******'";
result = SqlHelper.ExecuteNonQuery(conn, CommandType.Text, alertSQL);
MessageBox.Show("密码修改成功，请重新登录");
f0 = new Form0();
f0.Show();
this.Close();
}
catch
{
MessageBox.Show("密码修改失败");
}
}
// }
}
}
}
catch
{
MessageBox.Show("密码修改失败");
}
}
private void backandlogin_Click(object sender, EventArgs e)
{
this.Close();
f0 = new Form0();
f0.Show();
}
private void back_Click(object sender, EventArgs e)
{
f1 = new Form0();
f1.Show();
this.Close();
}
