它看起来像问题可能是时间/事件相关。

It looks like the issue might be timing/event related.

当您设定℃的财产;％＃％＆GT; ，该值被分配到控件的数据绑定事件中的财产。如果您在的Page_Load（）时间寻找它，它不会是那里。

When you set a property with <%# %>, the value is assigned to the property during the Control's databinding event. If you look for it at Page_Load() time, it won't be there yet.

如果你改变code，检查在 preRender 事件中的价值，它应该在那里。

If you change your code to check the value in the PreRender event, it should be there.