private void cardNumTbx_TextChanged(object sender, EventArgs e)
{
if (((TextBox)sender).Text.Length < 5)
{
return;
}
//此处验证登录信息
if (!P_Con_User.LoginVerifyJustNumber(((TextBox)sender).Text, out strMsg))
{
MessageBox.Show("用户不存在");
return;
}
//清空文本框内容
((TextBox)sender).Text = "";
showMain(P_Con_User.CurrentUser);
}
