private void button1_Click(object sender, EventArgs e) { string zhanghao = textBox1.Text.Trim(); string mima = textBox2.Text.Trim(); string key = textBox3.Text.Trim(); string date = dateTimePicker1.Text.Trim(); if (string.IsNullOrWhiteSpace(zhanghao)) { MessageBox.Show("账号不能为空"); return; } if (string.IsNullOrWhiteSpace(mima)) { MessageBox.Show("密码不能为空"); return; } if (string.IsNullOrWhiteSpace(key)) { MessageBox.Show("秘钥不能为空"); return; } if (string.IsNullOrWhiteSpace(date)) { MessageBox.Show("时间不能为空"); return; } if (!(zhanghao.Trim() == "admin" && mima.Trim() == "++++++")) { MessageBox.Show("账号密码不正确"); return; } var model = new ChengQEntities().UrlTable.Where(x => x.url_code == key).FirstOrDefault(); if (model == null) { MessageBox.Show("激活秘钥无效"); return; } model.createtime = Convert.ToDateTime(date); var db = new ChengQEntities(); db.Entry <UrlTable>(model).State = EntityState.Modified; MessageBox.Show(db.SaveChanges() > 0?"成功":"失败"); db.SaveChanges(); }
private void button3_Click(object sender, EventArgs e) { string key = textBox3.Text.Trim(); if (string.IsNullOrWhiteSpace(key)) { MessageBox.Show("秘钥不能为空"); return; } var model = new ChengQEntities().UrlTable.Where(x => x.url_code == key).FirstOrDefault(); if (model == null) { richTextBox1.AppendText("没查到此卡信息"); return; } else { richTextBox1.Text = ""; richTextBox1.AppendText("卡号:" + model.url_code + " 到期时间:" + model.createtime); } }