我难以从数据网中提取数据。 自2006年以来 我正在使用数据网的甄选交换活动。 我获得了选定的行文和栏目索引。 但是,我找不到任何财产从数据网或数据网或选定细胞获得准确数据。 希望得到你们的gu们的一些建议。
What is the use of default keyword in C#? Is it introduced in C# 3.0 ?
我难以从数据网中提取数据。 自2006年以来 我正在使用数据网的甄选交换活动。 我获得了选定的行文和栏目索引。 但是,我找不到任何财产从数据网或数据网或选定细胞获得准确数据。 希望得到你们的gu们的一些建议。
附上你的数据,然后附上你的数据。 选定项目将成为贵项目的项目。
你在使用ComboBoxes方面有过评论,因此这里就是一个例子:
<DataGrid ItemsSource="{Binding MyData}" AutoGernateColumns="False">
<DataGrid.Columns>
<DataGridComboBoxColumn ItemsSource="{Binding Path=DataContext.ComboBoxOptions, RelativeSource={RelativeSource AncestorType={x:Type DataGrid}}}"
DisplayMemberPath="Name"
SelectedValuePath="Id"
SelectedValueBinding="OptionId" />
</DataGrid.Columns>
</DataGrid>
贵数据组的数据目录将包括:
ObservableCollection<SomeItem> MyData { get; set; }
ObservableCollection<Option> ComboBoxOptions{ get; set; }
The SomeItem
class would have a property of OptionId
, and the Option
class would have
an Id
and Name
field.
例如,当你在数据表中选择一个项目时,<代码> 数据单 <代码> 缩略语
在WPF中,你的数据(DataContext)是你的申请,而你像ComboBoxes、文本Boxes、数据Grids等元数据只是一个简单的接口,让用户与你的数据互动。
页: 1 活动,使用数据Grid1。 Selected Iteam as Object.
守则应当大致如下:
private void dataGrid1_MouseDoubleClick(object sender, MouseButtonEventArgs e)
{
edit(this.dataGrid1.SelectedItem as YourObject);
}
What is the use of default keyword in C#? Is it introduced in C# 3.0 ?
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