Add a Sales Data example, known data and diff criteria in the COUNTIF

Examples/Tables/SalesData-WithTotalRow.ps1

@@ -0,0 +1,28 @@
+try { Import-Module $PSScriptRoot\..\..\ImportExcel.psd1 } catch { throw ; return }
+
+$data = ConvertFrom-Csv @"
+OrderId,Category,Sales,Quantity,Discount
+1,Cosmetics,744.01,07,0.7
+2,Grocery,349.13,25,0.3
+3,Apparels,535.11,88,0.2
+4,Electronics,524.69,60,0.1
+5,Electronics,439.10,41,0.0
+6,Apparels,56.84,54,0.8
+7,Electronics,326.66,97,0.7
+8,Cosmetics,17.25,74,0.6
+9,Grocery,199.96,39,0.4
+10,Grocery,731.77,20,0.3
+"@
+
+$xlfile = "$PSScriptRoot\TotalsRow.xlsx"
+Remove-Item $xlfile -ErrorAction SilentlyContinue
+
+$TotalSettings = @{     
+    Quantity = 'Sum'
+    Category = @{
+        # Count the number of categories not equal to Electronics
+        Custom = '=COUNTIF([Category],"<>Electronics")'
+    }
+}
+
+$data | Export-Excel -Path $xlfile -TableName Sales -TableStyle Medium10 -TotalSettings $TotalSettings -AutoSize -Show