private void button3_Click(object sender, EventArgs e)
{
if (v2 == null || v2.IsDisposed)
{
v2 = new Form4();
v2.Show();
}
}
private void button1_Click(object sender, EventArgs e)
{
oracle.LinkToOracle("orcl","hui","oracle");
OracleCommand cmd = oracle.getConnection().CreateCommand();
String tno = textBox1.Text;
String pwd = textBox2.Text;
if (tno == "hui" & pwd == "123")
{
MessageBox.Show("登录成功");
Form4 form4 = new Form4();
this.Hide();
form4.Show();
return;
}
cmd.CommandText = String.Format("select * from teacher where tno='{0}'", tno);
OracleDataReader reader = cmd.ExecuteReader();
reader.Read();
try
{
if (reader["pwd"].ToString() == pwd)
{
MessageBox.Show("登录成功");
Form3 form3 = new Form3();
this.Hide();
form3.Show();
return;
}
if (tno == "hui" & pwd == "123")
{
MessageBox.Show("登录成功");
Form4 form4 = new Form4();
this.Hide();
form4.Show();
return;
}
//MessageBox.Show("密码错误");
}
catch (Exception ex)
{
MessageBox.Show("登录帐号或密码错误");
}
oracle.LinkClose();
}
private void bookmarksToolStripMenuItem_Click(object sender, EventArgs e)
{
var myForm = new Form4(user, instance, userID, password, databaseName);
myForm.Show();
}
private void Form3_FormClosing(object sender, FormClosingEventArgs e)
{
Form4 form4 = new Form4();
form4.Show();
}
private void button3_Click(object sender, EventArgs e)
{
Form4 frm2 = new Form4();
frm2.ShowDialog();
}
private void button1_Click(object sender, EventArgs e)
{
Form4 f4 = new Form4();
f4.Show();
}
private void RECIPIENT_Click(object sender, EventArgs e)
{
Form4 f = new Form4();
f.Show();
Hide();
}