如何在comboBox中设置所选项目或选定值(C#wpf) [英] how set selected item or selected value in comboBox (C# wpf)
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问题描述
我用以下代码填充我的组合框:
i fill my combobox with the following code:
<pre> var result = (from a in dbContext.tbl_Representaion select a).ToList();
cmbRepresentation.ItemsSource=result;
cmbRepresentation.DisplayMemberPath = "Name";
cmbRepresentation.SelectedValuePath = "ID";</pre>
和myXaml代码:
and myXaml Code:
<pre> <ComboBox FlowDirection="RightToLeft" Height=" 25" HorizontalAlignment="Right" Margin="0,6,5,0" Name="cmbRepresentation" SelectedIndex="-1" VerticalAlignment="top" Width="100" SelectionChanged="cmbRepresentation_SelectionChanged" SelectedValue="{Binding Path=SelectedValue, UpdateSourceTrigger=PropertyChanged}" SelectedItem="{Binding SelectedItem}">
</ComboBox
>
现在,如何加载数据,我显示所选值或所选项目所需的ID项目(未选择项目)?
>
now ,how when load data ,I display item for ID required with selected value or selected item(not selectedIndex)?
推荐答案
设置SelectedItem或SelectedIndex
Set either the SelectedItem or the SelectedIndex
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