Merge pull request #2413 from syncfusion-content/994854-DecimalPlaceCount

documentation (994854): FAQ for How to count the number of decimal places in a numeric cell value in Excel?

Author: Mohan2401

Document-Processing-toc.html

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 									</li>
 									<li>   
 										<a href="/document-processing/excel/excel-library/net/faqs/how-to-retrieve-the-first-cell-in-the-used-range-in-Excel">How to retrieve the first cell in the used range in Excel?</a>
+								    </li>
+									<li>   
+										<a href="/document-processing/excel/excel-library/net/faqs/how-to-count-the-number-of-decimal-places-in-a-numeric-cell-value-in-excel">How to count the number of decimal places in a numeric cell value in Excel?</a>
 								    </li>
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 										<a href="/document-processing/excel/excel-library/net/faqs/does-xlsio-support-changing-the-colors-of-built-in-icon-sets">Does XlsIO support changing the colors of built-in icon sets?</a>

Document-Processing/Excel/Excel-Library/NET/faqs/how-to-count-the-number-of-decimal-places-in-a-numeric-cell-value-in-excel.md

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+---
+title: How to count decimal places in an Excel cell value | Syncfusion
+description: Code examples to count decimal places in a numeric cell value using Syncfusion .NET Excel library (XlsIO).
+platform: document-processing
+control: XlsIO
+documentation: UG
+---
+
+# How to count decimal places in an Excel cell value?
+
+The following code examples demonstrate counting the number of decimal places in a numeric cell value using C# (Cross-platform and Windows-specific) and VB.NET.
+
+{% tabs %}   
+{% highlight c# tabtitle="C# [Cross-platform]" playgroundButtonLink="https://raw.githubusercontent.com/SyncfusionExamples/XlsIO-Examples/master/FAQ/Decimal %20Places%20Count/.NET/DecimalPlacesCount/DecimalPlacesCount/Program.cs,180" %}
+using (ExcelEngine excelEngine = new ExcelEngine())
+{
+    IApplication application = excelEngine.Excel;
+    application.DefaultVersion = ExcelVersion.Xlsx;
+    IWorkbook workbook = application.Workbooks.Open(Path.GetFullPath(@"Data/Input.xlsx"));
+    IWorksheet worksheet = workbook.Worksheets[0];
+
+    // Get the cell text safely
+    string cellText = worksheet.Range["G2"].Value?.ToString() ?? string.Empty;
+
+    // Count decimal places: if there's a decimal point, count chars after it; otherwise 0
+    int countDecimalPlaces = 0;
+    int dotIndex = cellText.IndexOf('.');
+    if (dotIndex >= 0)
+    {
+        countDecimalPlaces = cellText.Length - dotIndex - 1;
+    }
+
+    // Display result in console
+    Console.WriteLine(countDecimalPlaces);
+
+    //Save the workbook
+    workbook.SaveAs(Path.GetFullPath(@"Output/Output.xlsx"));
+}
+{% endhighlight %}
+
+{% highlight c# tabtitle="C# [Windows-specific]" %} 
+using (ExcelEngine excelEngine = new ExcelEngine())
+{
+    IApplication application = excelEngine.Excel;
+    application.DefaultVersion = ExcelVersion.Xlsx;
+    IWorkbook workbook = application.Workbooks.Open("Input.xlsx");
+
+    // Get the cell text safely
+    string cellText = workbook.Worksheets[0].Range["G2"].Value?.ToString() ?? string.Empty;
+
+    // Count decimal places
+    int countDecimalPlaces = 0;
+    int dotIndex = cellText.IndexOf('.');
+    if (dotIndex >= 0)
+    {
+        countDecimalPlaces = cellText.Length - dotIndex - 1;
+    }
+
+    // Display result in console
+    Console.WriteLine(countDecimalPlaces);
+
+    //Save the workbook
+    workbook.SaveAs("Output.xlsx");
+}
+{% endhighlight %}
+
+{% highlight vb.net tabtitle="VB.NET [Windows-specific]" %}
+Using excelEngine As New ExcelEngine()
+    Dim application As IApplication = excelEngine.Excel
+    application.DefaultVersion = ExcelVersion.Xlsx
+    Dim workbook As IWorkbook = application.Workbooks.Open("Input.xlsx")
+    Dim worksheet As IWorksheet = workbook.Worksheets(0)
+
+    ' Get the cell text safely
+    Dim cellText As String = If(worksheet.Range("G2").Value IsNot Nothing, worksheet.Range("G2").Value.ToString(), String.Empty)
+
+    ' Count decimal places
+    Dim countDecimalPlaces As Integer = 0
+    Dim dotIndex As Integer = cellText.IndexOf("."c)
+    If dotIndex >= 0 Then
+        countDecimalPlaces = cellText.Length - dotIndex - 1
+    End If
+
+    ' Display result in console
+    Console.WriteLine(countDecimalPlaces)
+
+    'Save the workbook
+    workbook.SaveAs("Output.xlsx")
+End Using
+{% endhighlight %}
+{% endtabs %}       
+
+A complete working example in C# is present on <a href="https://github.com/SyncfusionExamples/XlsIO-Examples/tree/master/FAQ/Decimal %20Places%20Count/.NET/DecimalPlacesCount">this GitHub page</a>.