private void button9_Click(object sender, EventArgs e)
{
welcome Wlcm = new welcome();
Wlcm.Show();
this.Hide();
}
private void button1_Click(object sender, EventArgs e)
{
welcome op = new welcome();
if (textBox1.Text == user && textBox2.Text == pass)
{
op.Show();
this.Hide();
}
else
{
MessageBox.Show("Invalid Username or Password");
}
}
private void button1_Click(object sender, EventArgs e)
{
string name = this.textBox1.Text;
string password = this.textBox2.Text;
if (name.Equals("admin") && password.Equals("123"))
{
MessageBox.Show("登录成功");
this.Hide();
welcome w = new welcome();
w.Show();
}
else
{
MessageBox.Show("密码或账号错误！");
this.textBox1.Clear();
this.textBox2.Clear();
}
}
public bool Select(hostelClass h)
{
bool isSuccess = false;
SqlConnection conn = new SqlConnection(myconnstring);
DataTable dt = new DataTable();
try
{
string sql = "SELECT * FROM hm_login WHERE username=@username AND password=@password";
SqlCommand cmd = new SqlCommand(sql, conn);
cmd.Parameters.AddWithValue("@username", h.username);
cmd.Parameters.AddWithValue("@password", h.password);
SqlDataAdapter adapter = new SqlDataAdapter(cmd);
conn.Open();
int i = cmd.ExecuteNonQuery();
adapter.Fill(dt);
if (dt.Rows.Count > 0)
{
UserID = h.username;
welcome settingsForm = new welcome();
settingsForm.Show();
isSuccess = true;
}
else
{
MessageBox.Show("Please enter Correct Username or Password");
}
}
catch (Exception ex)
{
MessageBox.Show("Failed");
}
finally
{
conn.Close();
}
return(isSuccess);
}
private void home_Click(object sender, EventArgs e)
{
welcome f = new welcome();
this.Hide();
f.Show();
}
