984711: Updated the UG content and samples for Excel Export in Blazor DataGrid

Author: SadhanaBaskaran

blazor/datagrid/templates-excel-export.md

@@ -149,7 +149,7 @@ The Syncfusion<sup style="font-size:70%">&reg;</sup> Blazor DataGrid supports ex
 
 To customize group caption text in the exported Excel document:
 
-1. Handle the [OnToolbarClick](https://help.syncfusion.com/cr/blazor/Syncfusion.Blazor.Grids.GridEvents-1.html#Syncfusion_Blazor_Grids_GridEvents_1_OnToolbarClick event to trigger the export.
+1. Handle the [OnToolbarClick](https://help.syncfusion.com/cr/blazor/Syncfusion.Blazor.Grids.GridEvents-1.html#Syncfusion_Blazor_Grids_GridEvents_1_OnToolbarClick) event to trigger the export.
 2. Use the [ExportToExcelAsync](https://help.syncfusion.com/cr/blazor/Syncfusion.Blazor.Grids.SfGrid-1.html#Syncfusion_Blazor_Grids_SfGrid_1_ExportToExcelAsync_Syncfusion_Blazor_Grids_ExcelExportProperties_) method to export the Grid.
 3. Handle the [ExcelGroupCaptionTemplateInfo](https://help.syncfusion.com/cr/blazor/Syncfusion.Blazor.Grids.GridEvents-1.html#Syncfusion_Blazor_Grids_GridEvents_1_ExcelGroupCaptionTemplateInfo) event to customize the group caption text.
 4. Use the **args.Cell.Value** property to define the caption using values like group key, record count, and header text.