ES-976509 - Resolve the read me file changes to the sample repository

Author: SreemonPremkumarM

ExportingToExcel.png

@@ -1,54 +1,56 @@
-# How to export the WinForms DataGrid StackedHeaders with different back color to Excel and PDF?
+# How to Export the WinForms DataGrid StackedHeaders with Different BackColor to Excel and PDF?
 
-## About the sample
-This example illustrates how to export the WinForms DataGrid StackedHeaders with different back color to Excel and PDF
+This example illustrates how to export the [WinForms DataGrid](https://www.syncfusion.com/winforms-ui-controls/datagrid) (SfDataGrid) StackedHeaders with different back color to Excel and PDF
 
-By default, actual value only will be exported to Pdf. You can customize StackedHeader cellstyle by using PdfGridCellStyle instance through CellExporting event in PdfExportingOptions.
+## Pdf Exporting
+
+By default, background color is not applied for [StackedHeaderRow](https://help.syncfusion.com/cr/windowsforms/Syncfusion.WinForms.DataGrid.StackedHeaderRow.html) when export a `DataGrid` to PDF, you can apply the back color by using [PdfGridCell](https://help.syncfusion.com/cr/windowsforms/Syncfusion.Pdf.Grid.PdfGridCell.html) in [PdfExportingOptions.CellExporting](https://help.syncfusion.com/cr/windowsforms/Syncfusion.WinForms.DataGridConverter.ExcelExportingOptions.html#Syncfusion_WinForms_DataGridConverter_ExcelExportingOptions_CellExporting) event.
 
 ```C#
-    private void PDF_Exporting(object sender, EventArgs e)
-    {
-        PdfExportingOptions options = new PdfExportingOptions();
-        options.ExportStackedHeaders = true;
-        options.CellExporting += options_CellExporting;
-        var document = sfDataGrid1.ExportToPdf(options);
-        document.Save("Sample.pdf");
-    }
+private void PDF_Exporting(object sender, EventArgs e)
+{
+    PdfExportingOptions options = new PdfExportingOptions();
+    options.ExportStackedHeaders = true;
+    options.CellExporting += options_CellExporting;
+    var document = sfDataGrid1.ExportToPdf(options);
+    document.Save("Sample.pdf");
+}
 
-    private void options_CellExporting(object sender, DataGridCellPdfExportingEventArgs e)
+private void options_CellExporting(object sender, DataGridCellPdfExportingEventArgs e)
+{
+    if(e.CellType==ExportCellType.StackedHeaderCell)
     {
-        if(e.CellType==ExportCellType.StackedHeaderCell)
+        if(e.CellValue.ToString()=="Order Details")
+        {
+            var cellStyle = new PdfGridCellStyle();
+            cellStyle.BackgroundBrush = PdfBrushes.DarkCyan;
+            cellStyle.TextBrush = PdfBrushes.White;
+            e.PdfGridCell.Style = cellStyle;
+        }
+        else if (e.CellValue.ToString() == "Customer Details")
+        {
+            var cellStyle = new PdfGridCellStyle();
+            cellStyle.BackgroundBrush = PdfBrushes.LightCyan;
+            e.PdfGridCell.Style = cellStyle;
+        }
+        else if (e.CellValue.ToString() == "City Details")
         {
-            if(e.CellValue.ToString()=="Order Details")
-            {
-                 var cellStyle = new PdfGridCellStyle();
-                 cellStyle.BackgroundBrush = PdfBrushes.DarkCyan;
-                 cellStyle.TextBrush = PdfBrushes.White;
-                 e.PdfGridCell.Style = cellStyle;
-            }
-            else if (e.CellValue.ToString() == "Customer Details")
-            {
-                 var cellStyle = new PdfGridCellStyle();
-                 cellStyle.BackgroundBrush = PdfBrushes.LightCyan;
-                 e.PdfGridCell.Style = cellStyle;
-            }
-            else if (e.CellValue.ToString() == "City Details")
-            {
-                 var cellStyle = new PdfGridCellStyle();
-                 cellStyle.BackgroundBrush = PdfBrushes.DarkGray;
-                 cellStyle.TextBrush = PdfBrushes.White;
-                 e.PdfGridCell.Style = cellStyle;
-            }
+            var cellStyle = new PdfGridCellStyle();
+            cellStyle.BackgroundBrush = PdfBrushes.DarkGray;
+            cellStyle.TextBrush = PdfBrushes.White;
+            e.PdfGridCell.Style = cellStyle;
         }
-          
-    }
+    }     
+}
 ```
 
+![Exporting the StackedHeaders to PDF](ExportingToPDF.png)
 
-Exporting SfDataGrid StackedHeaders with different back colors by using ExcelExportingOptions by defining the cell style for the StackedHeader cell range. 
+## Excel Exporting
 
-```C#
+By default, background color is not applied for [StackedHeaderRow](https://help.syncfusion.com/cr/windowsforms/Syncfusion.WinForms.DataGrid.StackedHeaderRow.html) when export a SfDataGrid to excel, you can apply the back color by set the color for specific cell range in exported work book.
 
+```C#
 private void Excel_Exporting(object sender, EventArgs e)
 {
     var options = new ExcelExportingOptions();
@@ -64,5 +66,4 @@ private void Excel_Exporting(object sender, EventArgs e)
  }
 ```
 
-## Requirements to run the demo
-Visual Studio 2015 and above versions
+![Exporting the StackedHeaders to Excel](ExportingToExcel.png)