How to modify the cell borders in MAUI DataGrid?
The .NET MAUI DataGrid (SfDataGrid) allows to customize the DataGrid borders to Vertical, Horizontal, Both or None based on requirements.
There are four options
available in GridLinesVisibility and HeaderGridLinesVisibility
to customize the DataGrid
borders.
XAML
BOTH
<syncfusion:SfDataGrid x:Name="dataGrid" AutoGenerateColumnsMode="None"
HeaderGridLinesVisibility="Both"
GridLinesVisibility="Both"
ItemsSource="{Binding Employees}">
<syncfusion:SfDataGrid.Columns>
<syncfusion:DataGridNumericColumn MappingName="EmployeeID" HeaderText="ID" Format="d"/>
<syncfusion:DataGridTextColumn MappingName="Name"/>
<syncfusion:DataGridTextColumn MappingName="Title"/>
<syncfusion:DataGridNumericColumn MappingName="ContactID" HeaderText="Contact ID" Format="d"/>
</syncfusion:SfDataGrid.Columns>
</syncfusion:SfDataGrid>

HORIZONTAL
<syncfusion:SfDataGrid x:Name="dataGrid" AutoGenerateColumnsMode="None"
HeaderGridLinesVisibility="Horizontal"
GridLinesVisibility="Horizontal"
ItemsSource="{Binding Employees}">
<syncfusion:SfDataGrid.Columns>
<syncfusion:DataGridNumericColumn MappingName="EmployeeID" HeaderText="ID" Format="d"/>
<syncfusion:DataGridTextColumn MappingName="Name"/>
<syncfusion:DataGridTextColumn MappingName="Title"/>
<syncfusion:DataGridNumericColumn MappingName="ContactID" HeaderText="Contact ID" Format="d"/>
</syncfusion:SfDataGrid.Columns>
</syncfusion:SfDataGrid>

VERTICAL
XAML
<syncfusion:SfDataGrid x:Name="dataGrid" AutoGenerateColumnsMode="None"
HeaderGridLinesVisibility="Vertical"
GridLinesVisibility="Vertical"
ItemsSource="{Binding Employees}">
<syncfusion:SfDataGrid.Columns>
<syncfusion:DataGridNumericColumn MappingName="EmployeeID" HeaderText="ID" Format="d"/>
<syncfusion:DataGridTextColumn MappingName="Name"/>
<syncfusion:DataGridTextColumn MappingName="Title"/>
<syncfusion:DataGridNumericColumn MappingName="ContactID" HeaderText="Contact ID" Format="d"/>
</syncfusion:SfDataGrid.Columns>
</syncfusion:SfDataGrid>

NONE
<syncfusion:SfDataGrid x:Name="dataGrid" AutoGenerateColumnsMode="None"
HeaderGridLinesVisibility="None"
GridLinesVisibility="None"
ItemsSource="{Binding Employees}">
<syncfusion:SfDataGrid.Columns>
<syncfusion:DataGridNumericColumn MappingName="EmployeeID" HeaderText="ID" Format="d"/>
<syncfusion:DataGridTextColumn MappingName="Name"/>
<syncfusion:DataGridTextColumn MappingName="Title"/>
<syncfusion:DataGridNumericColumn MappingName="ContactID" HeaderText="Contact ID" Format="d"/>
</syncfusion:SfDataGrid.Columns>
</syncfusion:SfDataGrid>

Take a moment to pursue this documentation, where you can find more about Syncfusion .NET MAUI DataGrid (SfDataGrid) with code examples.
Please refer to this link to learn about the essential features of Syncfusion .NET MAUI DataGrid (SfDataGrid).
Conclusion
I hope you enjoyed learning about how to modify Cell borders in MAUI DataGrid (SfDataGrid).
You can refer to our .NET MAUI DataGrid’s feature tour page to know about its other groundbreaking feature representations. You can also explore our .NET MAUI DataGrid Documentation to understand how to present and manipulate data.
For current customers, you can check out our .NET MAUI components from the License and Downloads page. If you are new to Syncfusion, you can try our 30-day free trial to check out our .NET MAUI DataGrid and other .NET MAUI components.
If you have any queries or require clarifications, please let us know in comments below. You can also contact us through our support forums, Direct-Trac or feedback portal. We are always happy to assist you!