988313-FAQ on can PivotTables share calculated field names

FAQ/Pivot Tables Calculated Field Names/.NET/PivotTablesCalculatedFieldNames/PivotTablesCalculatedFieldNames.slnx

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+<Solution>
+  <Project Path="PivotTablesCalculatedFieldNames/PivotTablesCalculatedFieldNames.csproj" />
+</Solution>

FAQ/Pivot Tables Calculated Field Names/.NET/PivotTablesCalculatedFieldNames/PivotTablesCalculatedFieldNames/PivotTablesCalculatedFieldNames.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net10.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Syncfusion.XlsIO.Net.Core" Version="*" />
+  </ItemGroup>
+
+  <ItemGroup>
+	<None Update="Output\*">
+		<CopyToOutputDirectory>Always</CopyToOutputDirectory>
+	</None>		
+  </ItemGroup>
+
+</Project>

FAQ/Pivot Tables Calculated Field Names/.NET/PivotTablesCalculatedFieldNames/PivotTablesCalculatedFieldNames/Program.cs

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+using Syncfusion.XlsIO;
+
+class Program
+{
+    public static void Main()
+    {
+        using (ExcelEngine excelEngine = new ExcelEngine())
+        {
+            IApplication application = excelEngine.Excel;
+            application.DefaultVersion = ExcelVersion.Xlsx;
+            IWorkbook workbook = application.Workbooks.Create(3);
+            IWorksheet dataSheet = workbook.Worksheets[0];
+            IWorksheet pivotSheet1 = workbook.Worksheets[1];
+            IWorksheet pivotSheet2 = workbook.Worksheets[2];
+
+            //Add sample data
+            dataSheet.Range["A1"].Text = "Product";
+            dataSheet.Range["B1"].Text = "Sales";
+            dataSheet.Range["C1"].Text = "Cost";
+
+            dataSheet.Range["A2"].Text = "Laptop";
+            dataSheet.Range["B2"].Number = 5000;
+            dataSheet.Range["C2"].Number = 3000;
+
+            dataSheet.Range["A3"].Text = "Tablet";
+            dataSheet.Range["B3"].Number = 3000;
+            dataSheet.Range["C3"].Number = 2000;
+
+            dataSheet.Range["A4"].Text = "Phone";
+            dataSheet.Range["B4"].Number = 4000;
+            dataSheet.Range["C4"].Number = 2500;
+
+            //CASE 1: Shared pivot cache — calculated field names must be unique
+            IPivotCache sharedCache = workbook.PivotCaches.Add(dataSheet["A1:C4"]);
+
+            IPivotTable pivot1 = pivotSheet1.PivotTables.Add("Pivot1", pivotSheet1["A1"], sharedCache);
+            pivot1.Fields[0].Axis = PivotAxisTypes.Row;
+            pivot1.DataFields.Add(pivot1.Fields[1], "Total Sales", PivotSubtotalTypes.Sum);
+            pivot1.CalculatedFields.Add("Profit", "Sales - Cost");
+
+            IPivotTable pivot2 = pivotSheet1.PivotTables.Add("Pivot2", pivotSheet1["F1"], sharedCache);
+            pivot2.Fields[0].Axis = PivotAxisTypes.Row;
+            pivot2.DataFields.Add(pivot2.Fields[2], "Total Cost", PivotSubtotalTypes.Sum);
+            pivot2.CalculatedFields.Add("Margin", "Sales - Cost");
+
+            //CASE 2: Separate pivot caches — identical or different calculated field names are allowed
+            IPivotTable pivot3 = pivotSheet2.PivotTables.Add("Pivot3", pivotSheet2["A1"],
+            workbook.PivotCaches.Add(dataSheet["A1:C4"]));
+            pivot3.Fields[0].Axis = PivotAxisTypes.Row;
+            pivot3.DataFields.Add(pivot3.Fields[1], "Total Sales", PivotSubtotalTypes.Sum);
+            pivot3.CalculatedFields.Add("Profit", "Sales - Cost");
+
+            IPivotTable pivot4 = pivotSheet2.PivotTables.Add("Pivot4", pivotSheet2["F1"],
+            workbook.PivotCaches.Add(dataSheet["A1:C4"]));
+            pivot4.Fields[0].Axis = PivotAxisTypes.Row;
+            pivot4.DataFields.Add(pivot4.Fields[2], "Total Cost", PivotSubtotalTypes.Sum);
+            pivot4.CalculatedFields.Add("Profit", "Sales - Cost");
+
+            //Saving the workbook
+            workbook.SaveAs(Path.GetFullPath(@"Output/Output.xlsx"));
+        }
+    }
+}