Calculate Formulas

Mathematic Functions:

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Calculate Data:

Logic Function:

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Simple Expression:

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MID Functions:

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Demo
Java
C# source

This demo shows you how to calculate formulas and export data to datatable with calculating formulas.

import com.spire.xls.*;

public class CalculateFormulaDemo {
    public void CalculateFormulas(String resultFile){
        Workbook workbook = new Workbook();
        Worksheet sheet = workbook.getWorksheets().get(0);
        Calculate(workbook, sheet);
        workbook.saveToFile(resultFile, ExcelVersion.Version2010);
    }

    public void Calculate(Workbook workbook, Worksheet worksheet){
        int currentRow = 1;
        String currentFormula = null;
        Object formulaResult = null;
        String value = null;

        // Set width respectively of Column A ,Column B,Column C
        worksheet.setColumnWidth(1,32);
        worksheet.setColumnWidth(2,16);
        worksheet.setColumnWidth(3,16);

        //Set the value of Cell A1
        worksheet.getRange().get(currentRow++, 1).setValue("Examples of formulas :");

        // Set the value of Cell A2
        worksheet.getRange().get(++currentRow, 1).setValue("Test data:");

        // Set the style of Cell A1
        CellRange range = worksheet.getRange().get("A1");
        range.getStyle().getFont().isBold(true);
        range.getStyle().setFillPattern(ExcelPatternType.Solid);
        range.getStyle().setKnownColor(ExcelColors.LightGreen1);
        range.getStyle().getBorders().getByBordersLineType(BordersLineType.EdgeBottom).setLineStyle(LineStyleType.Medium);

        // Additive operation of mutiple cells

        worksheet.getRange().get(currentRow, 2).setNumberValue(7.3);
        worksheet.getRange().get(currentRow, 3).setNumberValue(5);
        worksheet.getRange().get(currentRow, 4).setNumberValue(8.2);
        worksheet.getRange().get(currentRow, 5).setNumberValue(4);
        worksheet.getRange().get(currentRow, 6).setNumberValue(3);
        worksheet.getRange().get(currentRow, 7).setNumberValue(11.3);

        // Create arithmetic expression string about cells
        currentFormula = "=Sheet1!$B$3 + Sheet1!$C$3+Sheet1!$D$3+Sheet1!$E$3+Sheet1!$F$3+Sheet1!$G$3";

        //Caculate arithmetic expression  about cells
        formulaResult = workbook.calculateFormulaValue(currentFormula);
        value = formulaResult.toString();
        worksheet.getRange().get(currentRow,2).setValue(value);

        // Set the value and format of two head cell
        worksheet.getRange().get(currentRow,1).setValue("Formulas");
        worksheet.getRange().get(currentRow,2).setValue("Results");
        worksheet.getRange().get(currentRow,2).setHorizontalAlignment(HorizontalAlignType.Right);
        range = worksheet.getRange().get(currentRow,1,currentRow,2);
        range.getStyle().getFont().isBold(true);
        range.getStyle().setKnownColor(ExcelColors.LightGreen1);
        range.getStyle().setFillPattern(ExcelPatternType.Solid);
        range.getStyle().getBorders().getByBordersLineType(BordersLineType.EdgeBottom).setLineStyle(LineStyleType.Medium);

        // Expression caculation
        // Create arithmetic tables enclosed type string
        currentFormula = "=33*3/4-2+10";
        worksheet.getRange().get(++currentRow,1).setText(currentFormula);

        // Caculate arithmetic expression
        formulaResult = workbook.calculateFormulaValue(currentFormula);

        value = formulaResult.toString();

        worksheet.getRange().get(currentRow,2).setValue(value);

        //Absolute value function
        // Create abosolute value function string
        currentFormula = "=ABS(-1.21)";
        worksheet.getRange().get(++currentRow,1).setText(currentFormula);

        // Caculate abosulte value function
        formulaResult = workbook.calculateFormulaValue(currentFormula);
        value = formulaResult.toString();
        worksheet.getRange().get(currentRow,2).setValue(value);

        // Sum function
        // Create sum function string
        currentFormula = "=SUM(18,29)";
        worksheet.getRange().get(++currentRow,1).setText(currentFormula);

        // Caculate sum function
        formulaResult = workbook.calculateFormulaValue(currentFormula);
        value = formulaResult.toString();
        worksheet.getRange().get(currentRow,2).setValue(value);

        //NOT function
        // Create NOT function string
        currentFormula = "=NOT(true)";
        worksheet.getRange().get(++currentRow,1).setText(currentFormula);

        //Caculate NOT function
        formulaResult = workbook.calculateFormulaValue(currentFormula);
        value = formulaResult.toString();
        worksheet.getRange().get(currentRow,2).setValue(value);
        worksheet.getRange().get(currentRow,2).setHorizontalAlignment(HorizontalAlignType.Right);

        //String Manipulation function
        //Get the substring
        // Build substring function
        currentFormula = "=MID(\"world\",4,2)";
        worksheet.getRange().get(++currentRow,1).setText(currentFormula);

        //Caculate substring function
        formulaResult = workbook.calculateFormulaValue(currentFormula);
        value = formulaResult.toString();
        worksheet.getRange().get(currentRow,2).setValue(value);

        worksheet.getRange().get(currentRow,2).setHorizontalAlignment(HorizontalAlignType.Right);

        // Random function

        // Create random function string.
        currentFormula = "=RAND()";
        worksheet.getRange().get(++currentRow,1).setText(currentFormula);

        //Caculate random function
        formulaResult = workbook.calculateFormulaValue(currentFormula);
        value = formulaResult.toString();
        worksheet.getRange().get(currentRow,2).setValue(value);


    }
}

using Spire.Xls;

namespace DemoOnlineCode
{
    class CalculateFormulas
    {
        public void demoCalculateFormulas(string resultFile)
        {
            Workbook workbook = new Workbook();
            Worksheet sheet = workbook.Worksheets[0];
            Calculate(workbook, sheet);
            workbook.SaveToFile(resultFile, ExcelVersion.Version2010);
        }
        public void Calculate(Workbook workbook, Worksheet sheet)
        {
            int currentRow = 1;
            string currentFormula = string.Empty;
            object formulaResult = null;
            string value = string.Empty;

            // Set width respectively of Column A ,Column B,Column C
            sheet.SetColumnWidth(1, 32);
            sheet.SetColumnWidth(2, 16);
            sheet.SetColumnWidth(3, 16);

            //Set the value of Cell A1
            sheet.Range[currentRow++, 1].Value = "Examples of formulas :";

            // Set the value of Cell A2
            sheet.Range[++currentRow, 1].Value = "Test data:";

            // Set the style of Cell A1
            CellRange range = sheet.Range["A1"];
            range.Style.Font.IsBold = true;

            range.Style.FillPattern = ExcelPatternType.Solid;

            range.Style.KnownColor = ExcelColors.LightGreen1;

            range.Style.Borders[BordersLineType.EdgeBottom].LineStyle = LineStyleType.Medium;

            // Additive operation of mutiple cells
            sheet.Range[currentRow, 2].NumberValue = 7.3;
            sheet.Range[currentRow, 3].NumberValue = 5;
            sheet.Range[currentRow, 4].NumberValue = 8.2;
            sheet.Range[currentRow, 5].NumberValue = 4;
            sheet.Range[currentRow, 6].NumberValue = 3;
            sheet.Range[currentRow, 7].NumberValue = 11.3;

            // Create arithmetic expression string about cells
            currentFormula = "=Sheet1!$B$3 + Sheet1!$C$3+Sheet1!$D$3+Sheet1!$E$3+Sheet1!$F$3+Sheet1!$G$3";

            //Caculate arithmetic expression  about cells
            formulaResult = workbook.CaculateFormulaValue(currentFormula);
            value = formulaResult.ToString();
            sheet.Range[currentRow, 2].Value = value;

            // Set the value and format of two head cell
            sheet.Range[++currentRow, 1].Value = "Formulas"; ;
            sheet.Range[currentRow, 2].Value = "Results";
            sheet.Range[currentRow, 2].HorizontalAlignment = HorizontalAlignType.Right;
            range = sheet.Range[currentRow, 1, currentRow, 2];
            range.Style.Font.IsBold = true;
            range.Style.KnownColor = ExcelColors.LightGreen1;
            range.Style.FillPattern = ExcelPatternType.Solid;
            range.Style.Borders[BordersLineType.EdgeBottom].LineStyle = LineStyleType.Medium;

            // Expression caculation
            // Create arithmetic tables enclosed type string
            currentFormula = "=33*3/4-2+10";
            sheet.Range[++currentRow, 1].Text = currentFormula;

            // Caculate arithmetic expression
            formulaResult = workbook.CaculateFormulaValue(currentFormula);

            value = formulaResult.ToString();

            sheet.Range[currentRow, 2].Value = value;

            /// The mathematics function ///

            //Absolute value function

            // Create abosolute value function string
            currentFormula = "=ABS(-1.21)";
            sheet.Range[++currentRow, 1].Text = currentFormula;

            // Caculate abosulte value function
            formulaResult = workbook.CaculateFormulaValue(currentFormula);
            value = formulaResult.ToString();
            sheet.Range[currentRow, 2].Value = value;


            ///  Statistical function///
            // Sum function

            // Create sum function string
            currentFormula = "=SUM(18,29)";
            sheet.Range[++currentRow, 1].Text = currentFormula;

            // Caculate sum function
            formulaResult = workbook.CaculateFormulaValue(currentFormula);
            value = formulaResult.ToString();
            sheet.Range[currentRow, 2].Value = value;

            ///logic function///
            //NOT function
            // Create NOT function string
            currentFormula = "=NOT(true)";
            sheet.Range[currentRow, 1].Text = currentFormula;

            //Caculate NOT function
            formulaResult = workbook.CaculateFormulaValue(currentFormula);
            value = formulaResult.ToString();
            sheet.Range[currentRow, 2].Value = value;
            sheet.Range[currentRow, 2].HorizontalAlignment = HorizontalAlignType.Right;

            //String Manipulation function//
            //Get the substring
            // Build substring function
            currentFormula = "=MID(\"world\",4,2)";
            sheet.Range[++currentRow, 1].Text = currentFormula;

            //Caculate substring function
            formulaResult = workbook.CaculateFormulaValue(currentFormula);
            value = formulaResult.ToString();
            sheet.Range[currentRow, 2].Value = value;

            sheet.Range[currentRow, 2].HorizontalAlignment = HorizontalAlignType.Right;

            // Random function

            // Create random function string.
            currentFormula = "=RAND()";
            sheet.Range[++currentRow, 1].Text = currentFormula;

            //Caculate random function
            formulaResult = workbook.CaculateFormulaValue(currentFormula);
            value = formulaResult.ToString();
            sheet.Range[currentRow, 2].Value = value;

        }
    }
}

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