private void button3_Click(object sender, EventArgs e)
{
zhuce form = new zhuce();
form.Show();
this.Hide();
}
private void button1_Click(object sender, EventArgs e)
{
if (textBox1.Text == string.Empty)
{
MessageBox.Show(this, " 请输入用户名！ ", "Phoenix Information:", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return;
}
if (textBox2.Text == string.Empty)
{
MessageBox.Show(this, " 请输入密码！ ", "Phoenix Information:", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return;
}
if (textBox3.Text == string.Empty)
{
MessageBox.Show(this, " 密码不能为空！ ", "Phoenix Information:", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return;
}
string username = textBox1.Text.Trim();
string code1 = textBox2.Text.Trim();
string code2 = textBox3.Text.Trim();
if (code1 != code2)
{
MessageBox.Show(this, " 两次输入的密码必须相同！ ", "Phoenix Information:", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
else
{
string admin_id = textBox1.Text.Trim();
string admin_psw = textBox2.Text.Trim();
string str = "Data Source=DESKTOP-H6GDTOQ\\SQLEXPRESS;Initial Catalog=slfsql;Integrated Security=True";
SqlConnection con = new SqlConnection(str);
con.Open();
string sql = string.Format("select count(*) from [yhdlb] where username='******' and password='******'", username, code1);
SqlCommand cmd = new SqlCommand(sql, con);
int num = (int)cmd.ExecuteScalar();
if (num > 0)
{
MessageBox.Show("该用户名已被注册！请重新填写用户名！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
zhuce form = new zhuce();
form.Show();
this.Hide();
}
else
{
SqlCommand command = new SqlCommand();
string sqll = string.Format("insert into yhdlb(username,password)values('{0}','{1}')", username, code1);
command.Connection = con;
SqlCommand cmdd = new SqlCommand(sqll, con);
int count = cmdd.ExecuteNonQuery();
if (count > 0)
{
MessageBox.Show("注册成功", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
Form1 form = new Form1();
form.Show();
this.Hide();
}
else
{
MessageBox.Show("注册失败", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
con.Close();
}
}
