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UG documentation 988874: Modify file streams of C# [Cross-platform] in XlsIO UG - Working with Pivot Charts and What If Analysis #1676

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Oct 30, 2025
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UG documentation 988874: Modify file streams of C# [Cross-platform] in XlsIO UG - Working with Pivot Charts and What If Analysis #1676

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988874-Working with Pivot Charts
SivakumarRamya Oct 29, 2025
fec4792
988874-What If Analysis
SivakumarRamya Oct 29, 2025
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102 changes: 30 additions & 72 deletions Document-Processing/Excel/Excel-Library/NET/What-If-Analysis.md
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Original file line number Diff line number Diff line change
Expand Up @@ -24,10 +24,7 @@ using (ExcelEngine excelEngine = new ExcelEngine())
IApplication application = excelEngine.Excel;
application.DefaultVersion = ExcelVersion.Xlsx;

FileStream inputStream = new FileStream(Path.GetFullPath(@"Data/WhatIfAnalysisTemplate.xlsx"), FileMode.Open, FileAccess.Read);
IWorkbook workbook = application.Workbooks.Open(inputStream, ExcelOpenType.Automatic);
inputStream.Dispose();

IWorkbook workbook = application.Workbooks.Open(Path.GetFullPath(@"Data/WhatIfAnalysisTemplate.xlsx"), ExcelOpenType.Automatic);
IWorksheet worksheet = workbook.Worksheets[0];

// Access the collection of scenarios in the worksheet
Expand All @@ -51,12 +48,8 @@ using (ExcelEngine excelEngine = new ExcelEngine())

#region Save
//Saving the workbook
FileStream outputStream = new FileStream(Path.GetFullPath("Output/CreateScenarios.xlsx"), FileMode.Create, FileAccess.Write);
workbook.SaveAs(outputStream);
workbook.SaveAs(Path.GetFullPath("Output/CreateScenarios.xlsx"));
#endregion

//Dispose streams
outputStream.Dispose();
}
{% endhighlight %}

Expand Down Expand Up @@ -138,8 +131,8 @@ using (ExcelEngine excelEngine = new ExcelEngine())
{
IApplication application = excelEngine.Excel;
application.DefaultVersion = ExcelVersion.Xlsx;
FileStream inputStream = new FileStream("InputTemplate.xlsx", FileMode.Open, FileAccess.Read);
IWorkbook workbook = application.Workbooks.Open(inputStream, ExcelOpenType.Automatic);
IWorkbook workbook = application.Workbooks.Open("InputTemplate.xlsx", ExcelOpenType.Automatic);
IWorksheet worksheet = workbook.Worksheets[0];

IScenarios scenarios = worksheet.Scenarios;
Expand All @@ -149,10 +142,8 @@ using (ExcelEngine excelEngine = new ExcelEngine())
//Modify the scenario
scenario1.ModifyScenario(scenario2.ChangingCells, scenario2.Values);

//Saving the workbook as stream
FileStream stream = new FileStream("Output.xlsx", FileMode.Create, FileAccess.ReadWrite);
workbook.SaveAs(stream);
stream.Dispose();
//Saving the workbook
workbook.SaveAs("Output.xlsx");
}
{% endhighlight %}

Expand Down Expand Up @@ -207,8 +198,7 @@ using (ExcelEngine excelEngine = new ExcelEngine())
{
IApplication application = excelEngine.Excel;
application.DefaultVersion = ExcelVersion.Xlsx;
FileStream inputStream = new FileStream("InputTemplate.xlsx", FileMode.Open, FileAccess.Read);
IWorkbook workbook = application.Workbooks.Open(inputStream, ExcelOpenType.Automatic);
IWorkbook workbook = application.Workbooks.Open("InputTemplate.xlsx", ExcelOpenType.Automatic);
IWorksheet worksheet = workbook.Worksheets[0];

IScenarios scenarios = worksheet.Scenarios;
Expand All @@ -217,10 +207,8 @@ using (ExcelEngine excelEngine = new ExcelEngine())
//Delete the scenario
scenario1.Delete();

//Saving the workbook as stream
FileStream stream = new FileStream("Output.xlsx", FileMode.Create, FileAccess.ReadWrite);
workbook.SaveAs(stream);
stream.Dispose();
//Saving the workbook
workbook.SaveAs("Output.xlsx");
}
{% endhighlight %}

Expand Down Expand Up @@ -274,18 +262,15 @@ using (ExcelEngine excelEngine = new ExcelEngine())
{
IApplication application = excelEngine.Excel;
application.DefaultVersion = ExcelVersion.Xlsx;
FileStream inputStream = new FileStream("InputTemplate.xlsx", FileMode.Open, FileAccess.Read);
IWorkbook workbook = application.Workbooks.Open(inputStream, ExcelOpenType.Automatic);
IWorkbook workbook = application.Workbooks.Open("InputTemplate.xlsx", ExcelOpenType.Automatic);
IWorksheet worksheet1 = workbook.Worksheets[0];
IWorksheet worksheet2 = workbook.Worksheets[1];

//Merge the second worksheet scenario into first worksheet.
worksheet1.Scenarios.Merge(worksheet2);

//Saving the workbook as stream
FileStream stream = new FileStream("Output.xlsx", FileMode.Create, FileAccess.ReadWrite);
workbook.SaveAs(stream);
stream.Dispose();
//Saving the workbook
workbook.SaveAs("Output.xlsx");
}
{% endhighlight %}

Expand Down Expand Up @@ -334,8 +319,7 @@ using (ExcelEngine excelEngine = new ExcelEngine())
{
IApplication application = excelEngine.Excel;
application.DefaultVersion = ExcelVersion.Xlsx;
FileStream inputStream = new FileStream("InputTemplate.xlsx", FileMode.Open, FileAccess.Read);
IWorkbook workbook = application.Workbooks.Open(inputStream, ExcelOpenType.Automatic);
IWorkbook workbook = application.Workbooks.Open("InputTemplate.xlsx", ExcelOpenType.Automatic);
IWorksheet worksheet = workbook.Worksheets[0];

IScenarios scenarios = worksheet.Scenarios;
Expand All @@ -359,10 +343,8 @@ using (ExcelEngine excelEngine = new ExcelEngine())
//Create Summary
worksheet.Scenarios.CreateSummary(worksheet.Range["L7"]);

//Saving the workbook as stream
FileStream stream = new FileStream("Output.xlsx", FileMode.Create, FileAccess.ReadWrite);
workbook.SaveAs(stream);
stream.Dispose();
//Saving the workbook
workbook.SaveAs("Output.xlsx");
}
{% endhighlight %}

Expand Down Expand Up @@ -447,10 +429,7 @@ using (ExcelEngine excelEngine = new ExcelEngine())
IApplication application = excelEngine.Excel;
application.DefaultVersion = ExcelVersion.Xlsx;

FileStream inputStream = new FileStream(Path.GetFullPath(@"Data/WhatIfAnalysisTemplate.xlsx"), FileMode.Open, FileAccess.Read);
IWorkbook workbook = application.Workbooks.Open(inputStream, ExcelOpenType.Automatic);
inputStream.Dispose();

IWorkbook workbook = application.Workbooks.Open(Path.GetFullPath(@"Data/WhatIfAnalysisTemplate.xlsx"), ExcelOpenType.Automatic);
IWorksheet worksheet = workbook.Worksheets[0];

//Access the collection of scenarios in the worksheet
Expand All @@ -467,12 +446,9 @@ using (ExcelEngine excelEngine = new ExcelEngine())

newSheet.Name = scenarios[pos].Name;

//Saving the new workbook as a stream
using (FileStream stream = new FileStream(Path.GetFullPath(@"Output/" + scenarios[pos].Name + ".xlsx"), FileMode.Create, FileAccess.ReadWrite))
{
newBook.SaveAs(stream);
}

//Saving the new workbook
newBook.SaveAs(Path.GetFullPath(@"Output/" + scenarios[pos].Name + ".xlsx"));

//To restore the cell values from the previous scenario results
scenarios["Current % of Change"].Show();
scenarios["Current Quantity"].Show();
Expand Down Expand Up @@ -533,8 +509,7 @@ using (ExcelEngine excelEngine = new ExcelEngine())
{
IApplication application = excelEngine.Excel;
application.DefaultVersion = ExcelVersion.Xlsx;
FileStream inputStream = new FileStream("InputTemplate.xlsx", FileMode.Open, FileAccess.Read);
IWorkbook workbook = application.Workbooks.Open(inputStream, ExcelOpenType.Automatic);
IWorkbook workbook = application.Workbooks.Open("InputTemplate.xlsx", ExcelOpenType.Automatic);
IWorksheet worksheet = workbook.Worksheets[0];

IScenarios scenarios = worksheet.Scenarios;
Expand All @@ -543,10 +518,8 @@ using (ExcelEngine excelEngine = new ExcelEngine())
//Set the name of the scenario
scenario.Name = "Current Quantity";

//Saving the workbook as stream
FileStream stream = new FileStream("Output.xlsx", FileMode.Create, FileAccess.ReadWrite);
workbook.SaveAs(stream);
stream.Dispose();
//Saving the workbook
workbook.SaveAs("Output.xlsx");
}
{% endhighlight %}

Expand Down Expand Up @@ -599,9 +572,7 @@ using (ExcelEngine excelEngine = new ExcelEngine())
IApplication application = excelEngine.Excel;
application.DefaultVersion = ExcelVersion.Xlsx;

FileStream inputStream = new FileStream(Path.GetFullPath(@"Data/WhatIfAnalysisTemplate.xlsx"), FileMode.Open, FileAccess.Read);
IWorkbook workbook = application.Workbooks.Open(inputStream, ExcelOpenType.Automatic);
inputStream.Dispose();
IWorkbook workbook = application.Workbooks.Open(Path.GetFullPath(@"Data/WhatIfAnalysisTemplate.xlsx"), ExcelOpenType.Automatic);

IWorksheet worksheet = workbook.Worksheets[0];

Expand All @@ -616,13 +587,9 @@ using (ExcelEngine excelEngine = new ExcelEngine())

#region Save
//Saving the workbook
FileStream outputStream = new FileStream(Path.GetFullPath("Output/HideScenario.xlsx"), FileMode.Create, FileAccess.Write);
workbook.SaveAs(outputStream);
workbook.SaveAs(Path.GetFullPath("Output/HideScenario.xlsx"));
#endregion

//Dispose streams
outputStream.Dispose();

}
{% endhighlight %}

Expand Down Expand Up @@ -678,9 +645,7 @@ using (ExcelEngine excelEngine = new ExcelEngine())
IApplication application = excelEngine.Excel;
application.DefaultVersion = ExcelVersion.Xlsx;

FileStream inputStream = new FileStream(Path.GetFullPath(@"Data/WhatIfAnalysisTemplate.xlsx"), FileMode.Open, FileAccess.Read);
IWorkbook workbook = application.Workbooks.Open(inputStream, ExcelOpenType.Automatic);
inputStream.Dispose();
IWorkbook workbook = application.Workbooks.Open(Path.GetFullPath(@"Data/WhatIfAnalysisTemplate.xlsx"), ExcelOpenType.Automatic);

IWorksheet worksheet = workbook.Worksheets[0];

Expand All @@ -695,13 +660,9 @@ using (ExcelEngine excelEngine = new ExcelEngine())

#region Save
//Saving the workbook
FileStream outputStream = new FileStream(Path.GetFullPath("Output/ProtectScenario.xlsx"), FileMode.Create, FileAccess.Write);
workbook.SaveAs(outputStream);
workbook.SaveAs(Path.GetFullPath("Output/ProtectScenario.xlsx"));
#endregion

//Dispose streams
outputStream.Dispose();

}
{% endhighlight %}

Expand Down Expand Up @@ -756,9 +717,8 @@ The comment associated with that particular scenario can be generated using the
using (ExcelEngine excelEngine = new ExcelEngine())
{
IApplication application = excelEngine.Excel;
application.DefaultVersion = ExcelVersion.Xlsx;
FileStream inputStream = new FileStream("InputTemplate.xlsx", FileMode.Open, FileAccess.Read);
IWorkbook workbook = application.Workbooks.Open(inputStream, ExcelOpenType.Automatic);
application.DefaultVersion = ExcelVersion.Xlsx;
IWorkbook workbook = application.Workbooks.Open("InputTemplate.xlsx", ExcelOpenType.Automatic);
IWorksheet worksheet = workbook.Worksheets[0];

IScenarios scenarios = worksheet.Scenarios;
Expand All @@ -767,10 +727,8 @@ using (ExcelEngine excelEngine = new ExcelEngine())
//Set the comment value
scenario.Comment = "Scenario has been created";

//Saving the workbook as stream
FileStream stream = new FileStream("Output.xlsx", FileMode.Create, FileAccess.ReadWrite);
workbook.SaveAs(stream);
stream.Dispose();
//Saving the workbook
workbook.SaveAs("Output.xlsx");
}
{% endhighlight %}

Expand Down
9 changes: 3 additions & 6 deletions Document-Processing/Excel/Excel-Library/NET/Working-with-Pivot-Charts.md
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Original file line number Diff line number Diff line change
Expand Up @@ -22,8 +22,7 @@ using (ExcelEngine excelEngine = new ExcelEngine())
{
IApplication application = excelEngine.Excel;
application.DefaultVersion = ExcelVersion.Excel2013;
FileStream fileStream = new FileStream("PivotTable.xlsx", FileMode.Open, FileAccess.Read);
IWorkbook workbook = application.Workbooks.Open(fileStream);
IWorkbook workbook = application.Workbooks.Open("PivotTable.xlsx");
IWorksheet worksheet = workbook.Worksheets[0];
IPivotTable pivotTable = worksheet.PivotTables[0];

Expand All @@ -38,10 +37,8 @@ using (ExcelEngine excelEngine = new ExcelEngine())

string fileName = "PivotChart.xlsx";

//Saving the workbook as stream
FileStream stream = new FileStream(fileName, FileMode.Create, FileAccess.ReadWrite);
workbook.SaveAs(stream);
stream.Dispose();
//Saving the workbook
workbook.SaveAs(fileName);
}
{% endhighlight %}

Expand Down