Exemple #1
0
        /// <summary>
        /// 1.点击确定
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnLogin_Click(object sender, EventArgs e)
        {
            #region //使用类封装
            string sql = "select * from UserInfo Where UserName='******'and UserPwd='" + txtPassWord.Text.Trim() + "' ";
            if (OprateDB.ExecuteReader(sql))
            {
                //写上用户名
                username = txtUserName.Text.Trim().ToLower();
                frmOperate frm = new frmOperate();
                frm.Show();
                this.Hide();
            }
            else
            {
                i++;
                if (i == 1)
                {
                    MessageBox.Show("用户名或密码错误,您还有二次机会");
                    MessageBox.Show("用户名或密码错误", "出错了",
                                    MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
                if (i == 2)
                {
                    MessageBox.Show("用户名或密码错误,您还有一次机会");
                    MessageBox.Show("用户名或密码错误", "出错了",
                                    MessageBoxButtons.OK, MessageBoxIcon.Error);
                }

                if (i == 3)
                {
                    MessageBox.Show("用户名或密码错误,您还有0次机会");
                    MessageBox.Show("卡已被锁定", "请30分钟再试!",
                                    MessageBoxButtons.OK, MessageBoxIcon.Error);
                    i = 0;
                }
            }



            #endregion
        }
Exemple #2
0
        private void btnok_Click(object sender, EventArgs e)
        {
            //1.先判断两次新密码是否输入一致
            if (txtNewPassWord1.Text.Trim() == txtNewPassWord2.Text.Trim())
            {
                #region//使用类封装

                string sqlCheckPwd = "select * from UserInfo Where UserName='******'and UserPwd='" + txtOldPassWord.Text.Trim() + "' ";
                if (OprateDB.ExecuteReader(sqlCheckPwd))
                {
                    //更新语句--更新数据库
                    string sql = "update UserInfo set UserPwd='" + txtNewPassWord1.Text.Trim() + "'where UserName='******' ";

                    if (OprateDB.ExecuteNonQuery(sql) == 1)
                    {
                        MessageBox.Show("密码修改成功!");
                    }
                    else
                    {
                        MessageBox.Show("密码修改失败!");
                    }
                }
                else
                {
                    MessageBox.Show("旧密码不正确!");
                }



                #endregion
            }
            else
            {
                MessageBox.Show("两次密码输入不一致,请重新输入!");
            }
        }