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[英]getting null from property binded for selected wpf combobox value
[英]Getting property value in ComboBox in WPF
我有一個comboBox
,它綁定到列表(使用實體框架從數據庫中綁定)。 我想在comboBox的SelectionChanged
上獲取所選項目(對象)的AdId
。
public class Ad
{
public int AdId { get; set; }
public string AdContent { get; set; }
}
private void ComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
ComboBox cmd = (ComboBox) sender;
int AdId = cmd.SelectedItem;
???????????? I'm stuck here how to get AdId from SelectedItem... tried SelectedValue and SelectedValuePath... didn't work
}
ComboBox的cmd.SelectedItem
屬性將返回一個對象,您可以將其cmd.SelectedItem
為自己的業務對象。 然后您可以輕松訪問其屬性,如下所示:
int AdId = ((Ad)cmd.SelectedItem).AdId ;
string AdContent = ((Ad)cmd.SelectedItem).AdContent;
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