How to show tooltip for the disabled cell in WPF DataGrid (SfDataGrid)?
This sample show cases how to show tooltip for disabled cells in WPF DataGrid (SfDataGrid). The tooltip will not be displayed for disabled cells in datagrid. You can show tooltip for disabled cells by setting ToolTipPlacement property of column.
<Style TargetType="syncfusion:GridCell"
x:Key="KeyGridCellColumnCellStyle" >
<Setter Property="IsEnabled" Value="False" />
<Setter Property="ToolTip">
<Setter.Value>
<TextBlock Text="{Binding ShipCountry}" ToolTipService.IsEnabled="True"
ToolTipService.ShowOnDisabled="True"/>
</Setter.Value>
</Setter>
<Setter Property="ToolTipService.IsEnabled" Value="True" />
<Setter Property="ToolTipService.ShowOnDisabled" Value="True" />
</Style>
<syncfusion:GridTextColumn HeaderText="Ship Country" MappingName="ShipCountry"
CellStyle="{StaticResource KeyGridCellColumnCellStyle}" ShowToolTip="true">
KB article - How to show tooltip for the disabled cell in WPF DataGrid (SfDataGrid)?
Visual Studio 2015 and above versions