private void BtnLogin_Click(object sender, EventArgs e) { if (txtUserName.Text.Trim() == "" || pwdPassword.Text == "") { return; } string[] arrParameter = new string[2]; arrParameter[0] = txtUserName.Text.ToLower().ToString(); arrParameter[1] = pwdPassword.Text.ToString(); DataTable dt = crud.ZHMMYZ(arrParameter[0]); if (dt == null) { MessageBox.Show("此账户不存在"); } else if (DES.string_Decrypt(dt.Rows[0]["PassWord"].ToString()) != arrParameter[1]) { MessageBox.Show("密码不正确"); } else if (DES.string_Decrypt(dt.Rows[0]["PassWord"].ToString()) == arrParameter[1] && dt.Rows[0]["State"].ToString() != "Y") { MessageBox.Show("账户已禁用"); } else { UserID = dt.Rows[0]["UserID"].ToString(); string UserName = dt.Rows[0]["NickName"].ToString(); cusEvtLogin(UserID, UserName); dt = null; Close(); } }