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求devexpress wpf版combobox多项勾选如何保存主键id
ajdkjalj
2017-09-14 11:05:25
现在已实现这样的效果,现在我想保存勾选项的id,现在只有name,怕name有重复,看起来好像没法实现啊,lookup如何实现这种多项勾选的效果,然后我还能保存主键id
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求devexpress wpf版combobox多项勾选如何保存主键id
现在已实现这样的效果,现在我想保存勾选项的id,现在只有name,怕name有重复,看起来好像没法实现啊,lookup如何实现这种多项勾选的效果,然后我还能保存主键id
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ilikeff8
2017-09-14
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不过你是多选,看看是不是有selectvalues之类的,dev的wpf没用过
ilikeff8
2017-09-14
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基本上你要绑定的list的内容应该是类实例列表,而不是单纯的id或name, 然后wpf里是要设置 ItemsSource="{Binding Path=数据源}" SelectedItem="{Binding 选择项, UpdateSourceTrigger=PropertyChanged}" DisplayMemberPath=name SelectedValuePath="{Binding}" // 获取整个选择项 然后 选择项.id 选择项.name 查找控件里相应的属性或设置方法
ajdkjalj
2017-09-14
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引用 1 楼 duanzi_peng 的回复:
只需要取选择对象的Id值就行?这个帖子先放着,等我具体回复。
对,combobox的数据源是我从数据库里查出来的,有id和name对应,现在只把name放到list里进行绑定,怕name有重复,而id编号又不一样,所以我想把id和name都保存,这两个在combobox只能取一个,我怎么样才能都取到
exception92
2017-09-14
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只需要取选择对象的Id值就行?这个帖子先放着,等我具体回复。
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