private void button1_Click(object sender, RoutedEventArgs e) { string strname = textBox_id.Text.Trim(); string strpwd = passwordBox1.Password.Trim(); MySqlConnectionStringBuilder s = new MySqlConnectionStringBuilder(); s.Server = "localhost"; s.Port = 3306; //mysql端口号 s.Database = "db_jiaowu"; s.UserID = "root"; s.Password = "******"; MySqlConnection conn = new MySqlConnection(s.ConnectionString); string strselect = "select * from user_stu where user_stu='" + strname + "'and stu_pwd='" + strpwd + "' "; MySqlDataAdapter adapter = new MySqlDataAdapter(strselect, conn); DataSet ds = new DataSet(); adapter.Fill(ds); DataTable dt = ds.Tables[0]; if (dt.Rows.Count > 0) { MessageBox.Show("登录成功"); info frmobj = new info(); frmobj.Show(); } else { MessageBox.Show("登录失败"); } }
private void stu1_Click(object sender, RoutedEventArgs e) { info frmobj = new info(); frmobj.Show(); }