Update README.md

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README.md

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 This example illustrates how to change row background based on RowState when underlying source is DataTable in [WPF DataGrid](https://www.syncfusion.com/wpf-ui-controls/datagrid) (SfDataGrid).
 
 You can change the row background based on [RowState.Modified](https://docs.microsoft.com/es-es/dotnet/api/system.data.datarowstate?view=netframework-4.7.2#fields) when binding [WPF DataGrid](https://www.syncfusion.com/wpf-ui-controls/datagrid) (SfDataGrid) to [DataTable](https://docs.microsoft.com/en-us/dotnet/api/system.data.datatable?view=netframework-4.7.2) using style for initial loading. You can also change the background for runtime changes using the [DataTable.RowChanged](https://docs.microsoft.com/ru-ru/dotnet/api/system.data.datatable.rowchanged?view=netframework-4.7.2) event.
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+KB article - [How to change row background based on RowState when underlying source is DataTable in WPF DataGrid (SfDataGrid)?](https://www.syncfusion.com/kb/9894/how-to-change-row-background-based-on-row-state-when-underlying-source-is-data-table-in-wpf)