Applying Ado Control 6.0?

[Chengchangwei]

m_Rs.GetFields().GetItem((_variant_t)(long)(0)).SetValue(_variant_t("11"));
m_Rs.GetFields().GetItem((_variant_t)(long)(1)).SetValue(_variant_t("11"));
m_Rs.GetFields().GetItem((_variant_t)(long)(2)).SetValue(_variant_t("setvalue"));
m_CRs.Update(vtMissing,vtMissing);

After Updating£º
Key Column information is wrong, Updating affects too more row.
What do it mean?
What do I can?