How-to-hide-the-header-in-MAUI-DataGrid-SfDataGrid-
The .NET MAUI DataGrid(SfDataGrid) allows to customize the height of the header row by setting the SfDataGrid.HeaderRowHeight property.
XAML
When Setting HeaderRowHeight to 0 will collapse the header row in the view.
<syncfusion:SfDataGrid x:Name="dataGrid"
HeaderGridLinesVisibility="Both"
GridLinesVisibility="Both"
HeaderRowHeight="0"
ItemsSource="{Binding OrderInfoCollection}" >
</syncfusion:SfDataGrid>