以前，此折线图的第一列有一个字符串，我正在尝试将其转换为使用 DateTime，因此 X 轴是连续的而不是离散的，但是图表不再呈现，并且我收到无法调用方法“Yc”的错误消息' 为空。
任何想法为什么？
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{c:[{v:'Date(2013,06,14,03,16)'},{v:4994},{v:5930},{v:5667},{v:4836},{v:7620}]},
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{c:[{v:'Date(2013,06,14,14,59)'},{v:5044},{v:6221},{v:6141},{v:4824},{v:6874}]},
{c:[{v:'Date(2013,06,14,17,58)'},{v:5265},{v:6235},{v:5736},{v:4865},{v:7235}]},
{c:[{v:'Date(2013,06,14,20,56)'},{v:4959},{v:6161},{v:5506},{v:5022},{v:7140}]},
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