WebApr 13, 2024 · 在用DataGrid向后端传选中的值并把它转换为我自定义的类时出错。报错为System.InvalidCastException:“无法将类型为“System.Windows.Controls.SelectedItemCollection”的对象强制转换为类型“Model.Persons”。错误的原因是我向后端传的是SelectedItems,这是一个IList类型的 … Web2 days ago · However, if any of these sections contains only one item, the SelectedItem is not getting updated when the item is selected. It keeps working for other sections wherever the items are two or more. Below snapshots may help understanding the how the UI, ViewModel and UserControl are configured. UserControl in which DataGrid is contained …
Bind to SelectedItems from DataGrid or ListBox in MVVM
WebFeb 5, 2024 · Use DataGrid.ItemContainerGenerator.ContainerFromIndex (itemIndex) to determine if the row is in view. If not, use TracksDataGrid.ScrollIntoView (item) and then again ContainerFromIndex (itemIndex). Hopefully, a DataRow is now found. Give it the Focus. Now, if you think giving a Focus to a DataGridRow, which is in view, is easy, you … Web我在datagrid中的第一列中有按钮.我正在使用MVVM,并尝试将命令绑定到ViewModel中的命令,但是当我在每行中单击按钮时,它不起作用(它不调用ViewModel中的命令),但是如果我将该按钮移出DataGrid,则可以正常工作. 如何从MVVM中的datagrid内部的按钮触发事件?更新1: XAML的代码 the porthvean
WPF DataGrid - CurrentItem, SelectedItem and …
WebMay 6, 2024 · MVVM in WPF DataGrid (SfDataGrid) 6 May 2024 15 minutes to read. DataGrid SelectedItem Binding. You can bind the SelectedItem property directly to the DataGrid by setting the SfDataGrid.SelectedItem property. WebWorks fine on removing only the item selected just like CurrentItem but it doesn't remove anymore than 2 selected items! The DataGrid I have should at least contain a minimum of 100 items. I've added a remove all option but this is also necessary. I'll be thankful if anyone gives me the solution. c#; wpf; datagrid; WebDec 30, 2009 · You don't need to iterate through the DataGrid rows, you can achieve your goal with a more simple solution. In order to match your row you can iterate through you collection that was bound to your DataGrid.ItemsSource property then assign this item to you DataGrid.SelectedItem property programmatically, alternatively you can add it to … the port huron statement 1962