private void jm_btn_Login_Click(object sender, EventArgs e) { if (string.IsNullOrEmpty(jm_txt_Name.JMText.Trim())) { MessageBox.Show("请输入用户名"); return; } if (string.IsNullOrEmpty(jm_txt_Pwd.JMText.Trim())) { MessageBox.Show("请输入密码"); return; } ProUsers puser = new ProUsers(); string pwd = puser.getScalar("Userpwd", "and Username='******'"); if (!string.IsNullOrEmpty(pwd) && jm_txt_Pwd.JMText.Trim() == pwd) { DialogResult = DialogResult.OK; } else { MessageBox.Show("用户名或密码错误"); return; } }
private void jm_btn_Login_Click(object sender, EventArgs e) { if (string.IsNullOrEmpty(jmTextBoxEx1.Text.Trim())) { MessageBox.Show("请输入原用户名"); return; } if (string.IsNullOrEmpty(jmTextBoxEx2.Text.Trim())) { MessageBox.Show("请输入原密码"); return; } if (string.IsNullOrEmpty(jmTextBoxEx3.Text.Trim())) { MessageBox.Show("请输入新用户名"); return; } if (string.IsNullOrEmpty(jmTextBoxEx4.Text.Trim())) { MessageBox.Show("请输入新密码"); return; } if (jmTextBoxEx4.Text.Trim() != jmTextBoxEx5.Text.Trim()) { MessageBox.Show("新密码与确认密码不同"); return; } ProUsers daluser = new ProUsers(); bool check = daluser.IsExists("and Username='******' and Userpwd='" + jmTextBoxEx2.Text.Trim() + "'"); if (!check) { MessageBox.Show("原用户名或原密码错误,请重新输入"); return; } string ID = daluser.getScalar("ID", "and Username='******' and Userpwd='" + jmTextBoxEx2.Text.Trim() + "'"); int result = daluser.Update(ID, jmTextBoxEx3.Text.Trim(), jmTextBoxEx4.Text.Trim()); if (result > 0) { MessageBox.Show("修改成功"); DialogResult = DialogResult.Yes; } }