: .
ATM系统源代码
//* 连接数据库
*/
private void button1_Click(object sender, EventArgs e)
{//(, );
//CustomerOperatiom co = new CustomerOperatiom();
//();
//();
db = new DBManager();
string strsql="select * from Cardinfo";
sqlds = (strsql);
string cardid = ;
string cardpwd = ;
string tcardid = null;
string tpwd = null;
foreach (DataRow dr in [0].Rows)
{tcardid = dr["cardid"].ToString();
tpwd = dr["cardpwd"].ToString();
if ((cardid) && (tpwd))
{
("登录成功");
();
CustomerOperation cop = new CustomerOperation();
();
}
else
{
("卡号或密码错误");
break;}
}
private void button2_Click(object sender, EventArgs e)
{
();
();
();
}
//清除 textBox 文本框中的数据
private void button3_Click(object sender, EventArgs e)
{
();
//* ATM 登录界面窗体设计
*/
}
private void button1_Click(object sender, EventArgs e){
Transform tf = new Transform();
();
();
}
private void button2_Click(object sender, EventArgs e)
{
Save save = new Save();
();
();
}
//打开新 Save 窗体,并关闭 CustomerOperation 窗体
private void button3_Click(object sender, EventArg
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