Wpf datagrid context menu command binding. My Xaml looks something like this: <ItemsControl.

  • Wpf datagrid context menu command binding. I have a collection of view models who are the source of an ItemsControl. Aug 10, 2012 · I have a datagrid which is binded to a viewmodel, On the datagrid i have a contextmenu i am trying to make a command behaviour which is not working. First, let's add this part: <DataTemplate DataType="{x:Type YourDataTypeXmlNamespace:YourDataType}"> <Border Tag="{Binding DataContext, RelativeSource={RelativeSource AncestorType={ x:Type YourViewsXmlNamespace:YourViewWhereThisIsDeclared}}}"> Apr 6, 2011 · I have a datagrid that potentially can have many rows. So you could say: // Create a context menu var cm = new ContextMenu(); cm. The ContextMenu appears and I am able to select from the menu items, but the command won't execute. WPF: Menu Items only bind command parameters once. ParentTaskbarIcon from the TaskbarIcon, so i binded the ContextMenu's DataContext to the TaskbarIcon. 3. ), but it had an Attached Property called TaskbarIcon. Hence the best bet is to walk up the RelativeSource to the context's parent and pull the header text from there: <Window. A context menu, often referred to as a popup or pop-up menu, is a menu which is shown upon certain user actions, usually a right-click with the mouse on a specific control or window. But I am unable to do the same. The DataGrid is bound to a list of objects which works great: &lt;DataGrid ItemsSource="{Binding DataGridItems WPF Datagrid ContextMenu SelectedItem. The data grid has a context menu. Dec 8, 2014 · Our last thoughts are that it is related to the V - VM binding, but even using Snoop we've yet to find what the exact issue is. To make the bindings work, we are going to need the CommandReference class that was part of the MVVM Toolkit:… Oct 14, 2014 · Since the context menu is actually in its own window, binding is a bit trickier. When context menu item is clicked, the binded command gets triggered, but I would like to pass command parameter that is binded to the Id of the data grid row that is selected. Thanks in advance for help. Jul 23, 2013 · Another option is to set the column headers to a TextBlock (or some other control that can handle a ContextMenu). Jul 20, 2010 · How to implement commands to use ancestor methods in WPF? Related. I have added a Context Menu and I have 3 options Cut,Copy,Paste. I'm not able to get the ContextMenu part right. syncfusion. Problem Statement : I am using a WPF DataGrid. ItemTemplate> <DataTemplate> <ItemsControl ItemsSource="{Binding Items}"> Dec 21, 2011 · The DataGridColumnHeaders on the WPF DataGrid are not part of the VissualTree so we cannot use bindings to bind the content to the ViewModel, or in my case the commands on the header context menu. ItemsSource - and put a text into a ItemTemplate. I have a WPF DataGrid that displays a bunch of rows. Contextual menus are often used to offer functionality that's relevant within a single control. I'm using the same method that's been working for all my other command bindings, but I can't figure out why it doesn't work here. . The solution is to utilise a Tag property in the item DataTemplate to hold the data item. 1. My Xaml looks something like this: <ItemsControl. ContextMenu = cm; // Set the grid column Nov 28, 2016 · WPF Context Menu command Binding. It's complaining that "ContextMenu cannot have a logical or visual parent. SelectedItem property. I have a DataGrid with a ContextMenu. Members with has a list of Category object and I want to display the CategoryName on the Context Menu root. ContextMenu> <ContextMenu ItemsSource="{Binding Path=ContextMenu. EDIT: I have found some templating examples from Infragistics here that I will try. Following that, Each Category contains a list of Items which will be showed as submenu. WPF DataGrid ContextMenu(s) 3. I am using MVVM for development. Want custom context menu per WPF datagrid cell. The context menu options are not getting data bound at all !!! This is my Grid Code in XAML : Nov 17, 2015 · Ok, I have found the problem thanks to Ilan's suggestion in the comments of using snoop utility. Each view model has a collection of items which are also the source of another ItemsControl. Each item is used to draw image which has a ContextMenu. &lt;DataGrid Margin="5,0,0,0"&gt; &lt;DataGrid. Feb 3, 2017 · The elements of that collection have a Command property which I bind to the Command property of the menu items: <DataGrid Name="EntityDataGrid" ItemsSource="{Binding EntityCollection}" Height="450"> <DataGrid. I'm by no means an expert with WPF binding so any pointers would be appreciated. DataContext> <local:MainVM HeaderText="Jabberwocky" /> </Window. I saw that in the visual tree, the ContextMenu didn't have its PlacementTarget to point to its parent, the TaskbarIcon (Weird. I tested the command with other I would still love to find a definitive explanation of this from the WPF team etc. a simple solution is using Proxy Pattern, you can create a wrapper class that inherits from DependencyObject and has a DependencyProperty that will keep a DataContext of your Window, then you can have a resource of the proxy in XAML and finally bind your MenuItem command to your desired command via the proxy object. I'm currently b Typically, you do not deal with rows (if you do - think again about the reasons) - instead you work with view model. 0. MenuItem + CommandParameter = null ! Why? WPF Context Menu command I create a style than I bind it to a DataGrid. ItemContainerStyle> <Style TargetType="{x:Type Sep 21, 2020 · Hi. Any recommendations? Thats my ContextMenu: &lt;DataGrid. I want to DataBind these options to Commands in my ViewModel. Sep 4, 2013 · This is a common problem in WPF. DataContext> I am having some trouble figuring out how to set the correct DataContext on a ContextMenu. The MenuItems in that ContextMenu need to bind to a command on the view model, but the PlacementTarget of the ContextMenu is pointing to the individual item. Dec 20, 2019 · I really need help to figure out how to add a context menu for a specific column on a datagrid. "… See full list on help. Can I suggest you insert a paragraph in your answer explaining that BECAUSE its not in the visual tree, the data context and hence bindings do not update when the content in the content presenter changes due to selecting a tab (assuming that is what causes the problem) Oct 11, 2017 · Root Menu Item Header are not being bind. Viewed 6k times 0 I have tried few solutions given in SO Jul 27, 2023 · # WPF的ContextMenu的绑定方式 *【作者】长生* ### ContextMenu为何不能正常绑定 &gt;在wpf中ContextMenu和ToolTip一样都是弹出层，与VisualTree已经分离了，只不过ToolTip在wpf中有进行特殊处理，所以可以正常绑定。 ### 个人觉得 Oct 16, 2009 · <ContextMenu> <MenuItem Header="{Binding Text1}" Command={Binding Command1}> <MenuItem Header="{Binding Text2}" Command={Binding Command2}> </ContextMenu> but when I don't know the items in advance (they come from a collection), I need to assign ContextMenu. DefaultView}" and I have AutoGenerateColumns="True". com Sep 22, 2020 · How can I add a Click Event Handler to a DataGrid's dynamically-generated ContextMenu? I see people say use the 'Tag' attribute, but I'm not sure how to add the code in XAML, or whether that needs to be done in the code-behind. Items. Sep 8, 2010 · Because ContextMenu is not in visual tree, binding will not work. RowStyle Row style. MenuItems}"> <ContextMenu. Ask Question Asked 8 years, 3 months ago. Feb 6, 2023 · The ContextMenu element enables you to present users with a list of items that specify commands or options that are associated with a particular control, for example, a Button. Basically, Context Menu is binding to the PackageCM. Currently I can add different contextmenu for . ParentTaskbarIcon Jun 3, 2019 · I have a datagrid being binded to an ObservableCollection. Each row has a right-click ContextMenu with its own commands. Currently my datagrid looks like this: Datagrid and all columns are added to the datagrid dynamically with the itemsource: ItemsSource="{Binding Data. EDIT 2: As pointed out by @Dtex, templates are the Nov 1, 2016 · <Hyperlink Command="{Binding RelativeSource={RelativeSource AncestorType=ItemsControl}, Path=DataContext. AllowItemCommand}" /> ListView will inherit its DataContext from Window , so it's available at this point, too. How would I bind to that command in the data grid? The grid's data context is that collection, so something like: <Button Command="{Binding Path=RemoveCommand}" CommandParameter="{Binding Path=id}">X</Button> Jun 6, 2016 · I have the following problem. Modified 7 years, 11 months ago. When you open context menu, you get your item selected, so it can be accessed via the DataGrid. I'm trying to bind a command to a menuitem in WPF. Mar 27, 2012 · I have a DataGrid where if the user accesses one of its ContextMenu's MenuItem's Command's via an InputBinding's KeyBinding whose CommandParameter="{Binding ElementName=MyDataGrid, Path=SelectedItems}", it'll pass the SelectedItems to the Bound ICommand. The command gets triggered but the parameter is null. Add(new MenutItem{Header="SampleItem"}); // Create a textblock with your header text and link the context menu var tb = new TextBlock{Text="My Column Name"}; tb. Users right-click the control to make the menu appear. But when the Command is triggered the SelectedItem is always null. As the user right clicks one of the rows, I need to show a context menu for each of the rows and perform an action (same action but different The WPF ContextMenu. May 9, 2017 · Also in the view model, I have a RemoveItem command defined which takes an argument for the item ID to remove. Apr 23, 2011 · I'm having a hell of a time trying to dynamically bind the ContextMenu on a DataGrid.

    ukzp loxw xwkbt ztd noet nsolxa eyvhb gfruga dhn anqjp