C# 如何将Datagridcombobox单元格更改为textbox?
我需要将第一行的第一个单元格更改为空白文本框。 现在我将该列作为datagridviewcombobox列?C# 如何将Datagridcombobox单元格更改为textbox?,c#,wpf,wpf-controls,C#,Wpf,Wpf Controls,我需要将第一行的第一个单元格更改为空白文本框。 现在我将该列作为datagridviewcombobox列? <DataGridComboBoxColumn Header="And/Or" Width="60" ItemsSource="{Binding Source={StaticResource PredicateCombinationOperatorsEnumValues}}" SelectedItemBinding="{Binding Pr
<DataGridComboBoxColumn Header="And/Or" Width="60" ItemsSource="{Binding Source={StaticResource PredicateCombinationOperatorsEnumValues}}" SelectedItemBinding="{Binding PredicateCombinationOperator, Mode=TwoWay}" />
<DataGridComboBoxColumn Header="Field" ItemsSource="{Binding Source={StaticResource FieldTypeEnumValues}}" SelectedItemBinding="{Binding FieldType}"/>
<DataGridComboBoxColumn Header="Operator" MinWidth="70" ItemsSource="{Binding Source={StaticResource OperatorsEnumValues}}" SelectedItemBinding="{Binding Operator}"/>
<DataGridTextColumn Header="Value" MinWidth="100" Width="*" Binding="{Binding Expression}"/>
</DataGrid.Columns>
<DataGrid.InputBindings>
<KeyBinding Command="{Binding Source={StaticResource DeleteContextMenuCommand}}" Key="Delete"/>
</DataGrid.InputBindings>
<DataGrid.ContextMenu>
<ContextMenu ItemsSource="{Binding MenuOptions}">
<ContextMenu.ItemContainerStyle>
<Style TargetType="{x:Type MenuItem}">
<Setter Property="Header" Value="{Binding Name}" />
<Setter Property="Command" Value="{Binding}" />
<Setter Property="Visibility" Value="{Binding IsVisible, Converter={StaticResource BoolToVisibilityConverter}}" />
<Setter Property="AutomationProperties.AutomationId" Value="{Binding Name}" />
<Setter Property="AutomationProperties.Name" Value="{Binding Name}" />
</Style>
</ContextMenu.ItemContainerStyle>
</ContextMenu>
</DataGrid.ContextMenu>
<i:Interaction.Triggers>
<i:EventTrigger EventName="ContextMenuOpening">
<trigger:ContextMenuOpeningTriggerAction/>
</i:EventTrigger>
<i:EventTrigger EventName="SelectionChanged">
<trigger:SelectionChangeTriggerAction/>
</i:EventTrigger>
</i:Interaction.Triggers>
</DataGrid>
您可以指定条件数据模板,并根据您的条件选择模板。首先,我们必须从DataTemplateSelector继承类,并定义DataTemplate类型的属性。定义所需数据模板的尽可能多的属性。然后重写SelectTemplate方法以返回所需的数据模板。检查以下示例代码
<DataGridComboBoxColumn Header="And/Or" Width="60" ItemsSource="{Binding Source={StaticResource PredicateCombinationOperatorsEnumValues}}" SelectedItemBinding="{Binding PredicateCombinationOperator, Mode=TwoWay}" />
<DataGridComboBoxColumn Header="Field" ItemsSource="{Binding Source={StaticResource FieldTypeEnumValues}}" SelectedItemBinding="{Binding FieldType}"/>
<DataGridComboBoxColumn Header="Operator" MinWidth="70" ItemsSource="{Binding Source={StaticResource OperatorsEnumValues}}" SelectedItemBinding="{Binding Operator}"/>
<DataGridTextColumn Header="Value" MinWidth="100" Width="*" Binding="{Binding Expression}"/>
</DataGrid.Columns>
<DataGrid.InputBindings>
<KeyBinding Command="{Binding Source={StaticResource DeleteContextMenuCommand}}" Key="Delete"/>
</DataGrid.InputBindings>
<DataGrid.ContextMenu>
<ContextMenu ItemsSource="{Binding MenuOptions}">
<ContextMenu.ItemContainerStyle>
<Style TargetType="{x:Type MenuItem}">
<Setter Property="Header" Value="{Binding Name}" />
<Setter Property="Command" Value="{Binding}" />
<Setter Property="Visibility" Value="{Binding IsVisible, Converter={StaticResource BoolToVisibilityConverter}}" />
<Setter Property="AutomationProperties.AutomationId" Value="{Binding Name}" />
<Setter Property="AutomationProperties.Name" Value="{Binding Name}" />
</Style>
</ContextMenu.ItemContainerStyle>
</ContextMenu>
</DataGrid.ContextMenu>
<i:Interaction.Triggers>
<i:EventTrigger EventName="ContextMenuOpening">
<trigger:ContextMenuOpeningTriggerAction/>
</i:EventTrigger>
<i:EventTrigger EventName="SelectionChanged">
<trigger:SelectionChangeTriggerAction/>
</i:EventTrigger>
</i:Interaction.Triggers>
</DataGrid>
<Window.Resources>
<local:Animals x:Key="animals"/>
<DataTemplate x:Key="TextTemplate">
<TextBox Margin="2" Width="60" />
</DataTemplate>
<DataTemplate x:Key="ComboTemplate" >
<ComboBox Width="60" />
</DataTemplate>
</Window.Resources>
<Grid>
<Controls:DataGrid>
<Controls:DataGrid.Columns>
<Controls:DataGridTemplateColumn Header="And/Or" Width="60">
<Controls:DataGridTemplateColumn.CellTemplateSelector>
<local:CustomTemplateSelector
TextTemplate="{StaticResource TextTemplate}"
ComboTemplate="{StaticResource ComboTemplate}"/>
</Controls:DataGridTemplateColumn.CellTemplateSelector>
</Controls:DataGridTemplateColumn>
<Controls:DataGridComboBoxColumn Header="Field"/>
<Controls:DataGridComboBoxColumn Header="Operator" MinWidth="70" />
<Controls:DataGridTextColumn Header="Value" MinWidth="100" Width="*"/>
</Controls:DataGrid.Columns>
</Controls:DataGrid>
</Grid>
public class CustomTemplateSelector : DataTemplateSelector
{
public DataTemplate TextTemplate
{ get; set; }
public DataTemplate ComboTemplate
{ get; set; }
public override DataTemplate SelectTemplate(object item, DependencyObject container)
{
MyObject obj = item as MyObject;
if (obj != null)
{
// custom logic to select appropriate data template and return
}
else
return base.SelectTemplate(item, container);
}
}
}
公共类CustomTemplateSelector:DataTemplateSelector
{
公共数据模板文本模板
{get;set;}
公共数据模板组合模板
{get;set;}
公共覆盖数据模板SelectTemplate(对象项,DependencyObject容器)
{
MyObject obj=作为MyObject的项目;
如果(obj!=null)
{
//自定义逻辑以选择适当的数据模板并返回
}
其他的
返回基地。选择模板(项目、容器);
}
}
}
更多信息请点击此处查看
<DataGridComboBoxColumn Header="And/Or" Width="60" ItemsSource="{Binding Source={StaticResource PredicateCombinationOperatorsEnumValues}}" SelectedItemBinding="{Binding PredicateCombinationOperator, Mode=TwoWay}" />
<DataGridComboBoxColumn Header="Field" ItemsSource="{Binding Source={StaticResource FieldTypeEnumValues}}" SelectedItemBinding="{Binding FieldType}"/>
<DataGridComboBoxColumn Header="Operator" MinWidth="70" ItemsSource="{Binding Source={StaticResource OperatorsEnumValues}}" SelectedItemBinding="{Binding Operator}"/>
<DataGridTextColumn Header="Value" MinWidth="100" Width="*" Binding="{Binding Expression}"/>
</DataGrid.Columns>
<DataGrid.InputBindings>
<KeyBinding Command="{Binding Source={StaticResource DeleteContextMenuCommand}}" Key="Delete"/>
</DataGrid.InputBindings>
<DataGrid.ContextMenu>
<ContextMenu ItemsSource="{Binding MenuOptions}">
<ContextMenu.ItemContainerStyle>
<Style TargetType="{x:Type MenuItem}">
<Setter Property="Header" Value="{Binding Name}" />
<Setter Property="Command" Value="{Binding}" />
<Setter Property="Visibility" Value="{Binding IsVisible, Converter={StaticResource BoolToVisibilityConverter}}" />
<Setter Property="AutomationProperties.AutomationId" Value="{Binding Name}" />
<Setter Property="AutomationProperties.Name" Value="{Binding Name}" />
</Style>
</ContextMenu.ItemContainerStyle>
</ContextMenu>
</DataGrid.ContextMenu>
<i:Interaction.Triggers>
<i:EventTrigger EventName="ContextMenuOpening">
<trigger:ContextMenuOpeningTriggerAction/>
</i:EventTrigger>
<i:EventTrigger EventName="SelectionChanged">
<trigger:SelectionChangeTriggerAction/>
</i:EventTrigger>
</i:Interaction.Triggers>
</DataGrid>
您好,您可以与我们共享您用于设置网格的XAML吗?我会将此列更改为模板列,并将可见性属性绑定到与行号相关的任何属性。我想你应该在你的模型中添加一个额外的属性。你为什么要改变网格中的一个单元格?我觉得这是个坏主意…我想换手机的原因。第一行的第一个单元格不可编辑,且为空白文本。
<DataGridComboBoxColumn Header="And/Or" Width="60" ItemsSource="{Binding Source={StaticResource PredicateCombinationOperatorsEnumValues}}" SelectedItemBinding="{Binding PredicateCombinationOperator, Mode=TwoWay}" />
<DataGridComboBoxColumn Header="Field" ItemsSource="{Binding Source={StaticResource FieldTypeEnumValues}}" SelectedItemBinding="{Binding FieldType}"/>
<DataGridComboBoxColumn Header="Operator" MinWidth="70" ItemsSource="{Binding Source={StaticResource OperatorsEnumValues}}" SelectedItemBinding="{Binding Operator}"/>
<DataGridTextColumn Header="Value" MinWidth="100" Width="*" Binding="{Binding Expression}"/>
</DataGrid.Columns>
<DataGrid.InputBindings>
<KeyBinding Command="{Binding Source={StaticResource DeleteContextMenuCommand}}" Key="Delete"/>
</DataGrid.InputBindings>
<DataGrid.ContextMenu>
<ContextMenu ItemsSource="{Binding MenuOptions}">
<ContextMenu.ItemContainerStyle>
<Style TargetType="{x:Type MenuItem}">
<Setter Property="Header" Value="{Binding Name}" />
<Setter Property="Command" Value="{Binding}" />
<Setter Property="Visibility" Value="{Binding IsVisible, Converter={StaticResource BoolToVisibilityConverter}}" />
<Setter Property="AutomationProperties.AutomationId" Value="{Binding Name}" />
<Setter Property="AutomationProperties.Name" Value="{Binding Name}" />
</Style>
</ContextMenu.ItemContainerStyle>
</ContextMenu>
</DataGrid.ContextMenu>
<i:Interaction.Triggers>
<i:EventTrigger EventName="ContextMenuOpening">
<trigger:ContextMenuOpeningTriggerAction/>
</i:EventTrigger>
<i:EventTrigger EventName="SelectionChanged">
<trigger:SelectionChangeTriggerAction/>
</i:EventTrigger>
</i:Interaction.Triggers>
</DataGrid>