public bool Login(b_User user)
{
b_User newUser = dao.LongIn(user);
if (newUser != null)
{
return(true);
}
return(false);
}
public b_User LongIn(b_User user)
{
using (ERP2008Entities erp2008 = new ERP2008Entities())
{
CustomMD5 custom = new CustomMD5();
string pwd = custom.getpwd(user.cPassword);
b_User query = (from u in erp2008.b_User where u.cUser_Id == user.cUser_Id && u.cPassword == pwd select u).SingleOrDefault();
if (query != null)
{
return(query);
}
else
{
return(null);
}
}
}
private void btnLogin_Click(object sender, EventArgs e)
{
LogInCount++;
if (LogInCount > 5)
{
MessageBox.Show("你是在捣乱的把！", messageHead, MessageBoxButtons.OK, MessageBoxIcon.Information);
Application.Exit();
}
if (txtAccount.Text != null && txtAccount.Text.Equals(""))
{
MessageBox.Show("用户不能为空！", messageHead, MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
if (txtPwd.Text != null && txtPwd.Text.Equals(""))
{
MessageBox.Show("密码不能为空！", messageHead, MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
b_User user = new b_User();
user.cPassword = txtPwd.Text;
user.cUser_Id = txtAccount.Text;
//验证用户和密码在数据库里面有没有才可以登录。
//MessageBox.Show("登录进来了。", "信息提示！", MessageBoxButtons.OK, MessageBoxIcon.Information);
Boolean req = bll.Login(user);
if (bll.Login(user))
{
FrmMainBoy boy = new FrmMainBoy();
boy.showlogin += new Manages.FrmMainBoy.ShowLogin(ShowLonin);
this.Hide();
boy.Show();
}
else
{
MessageBox.Show("账号或密码错误！", messageHead, MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}