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CString str;
m_ID_combo.GetWindowText(str);
if(str == "123")
{
m_goodsname = "测试";
m_goodsprice = 20;
m_goods_count = 1;
int n;
m_edit_count.GetWindowText(str);
n = str.GetLength();
m_edit_count.SetFocus();
m_edit_count.SetSel(0,-1);
UpdateData(FALSE);
}