HandyOrg / HandyOrg/HandyControl
CheckCombox in Datagrid, when i scrollview the datagrid the selected checkcombox is disappear.......,
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- C#
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Description
this is the error when scrollview the datagrid
Cannot find source for binding with reference 'RelativeSource FindAncestor, AncestorType='System.Windows.Controls.ItemsControl', AncestorLevel='1''. BindingExpression:Path=HorizontalContentAlignment; DataItem=null; target element is 'CheckComboBoxItem' (Name='PART_SelectAll'); target property is 'HorizontalContentAlignment' (type 'HorizontalAlignment')
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Research direction
Reproduce the issue by scrolling a WPF DataGrid containing a CheckComboBox and observe the selected item disappearing. Start with the CheckComboBoxItem binding reported in the error, especially the PART_SelectAll HorizontalContentAlignment RelativeSource binding; done means the selection remains visible after scrolling without the binding error.
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Assessment
- Tech stack
- csharp
- Domain
- desktop
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100