ByteScout Spreadsheet SDK – C# – Calculate Auto Update On Cell Change

Home
/
Articles
/
ByteScout Spreadsheet SDK – C# – Calculate Auto Update On Cell Change

printable version:
ByteScout-Spreadsheet-SDK-C-sharp-Calculate-Auto-Update-On-Cell-Change.pdf

How to calculate auto update on cell change in C# using ByteScout Spreadsheet SDK

This code in C# shows how to calculate auto update on cell change with this how to tutorial

ByteScout tutorials are designed to explain the code for both C# beginners and advanced programmers. ByteScout Spreadsheet SDK can calculate auto update on cell change. It can be used from C#. ByteScout Spreadsheet SDK is the SDK to create, read, modify and calculate spreadsheets. Formula calculations are supported, import and export to and from JSON, CSV, XML, databases, arrays.

This rich sample source code in C# for ByteScout Spreadsheet SDK includes the number of functions and options you should do calling the API to calculate auto update on cell change. In order to implement the functionality, you should copy and paste this code for C# below into your code editor with your app, compile and run your application. Further enhancement of the code will make it more vigorous.

You can download free trial version of ByteScout Spreadsheet SDK from our website to see and try many others source code samples for C#.

On-demand (REST Web API) version:
Web API (on-demand version)

On-premise offline SDK for Windows:
60 Day Free Trial (on-premise)

Program.cs

      using System;
using System.Collections.Generic;
using System.Text;
using System.IO;

using Bytescout.Spreadsheet;

namespace Calculations
{
    class Program
    {
        static void Main(string[] args)
        {
            // Create new spreadsheet
            Spreadsheet spreadsheet = new Spreadsheet();

            // Add new worksheet
            Worksheet sheet = spreadsheet.Workbook.Worksheets.Add();

            // Get decimal separator. Decimal separator depends from locale.
            string dsep = spreadsheet.Workbook.Locale.NumberFormat.CurrencyDecimalSeparator;

            // Get list separator. List separator depends from locale.
            string lsep = spreadsheet.Workbook.Locale.TextInfo.ListSeparator;

            // Set starting row
            int rowNumber = 1;
            
            // Example on SIN() function in formula
            sheet.Cell(rowNumber, 0).Value = "SIN(30)";
            sheet.Cell(rowNumber, 1).Value = "=SIN(30)";

            rowNumber += 2;

            // Example on COS() function in formula
            sheet.Cell(rowNumber, 0).Value = "COS(30)";
            sheet.Cell(rowNumber, 1).Value = "=COS(30)";

            rowNumber += 2;

            // Example on TAN() function in formula
            sheet.Cell(rowNumber, 0).Value = "TAN(30)";
            sheet.Cell(rowNumber, 1).Value = "=TAN(30)";

            rowNumber += 2;

            // Example on ATAN() function in formula
            sheet.Cell(rowNumber, 0).Value = "ATAN(0" + dsep + "5)";
            sheet.Cell(rowNumber, 1).Value = "=ATAN(0" + dsep + "5)";

            rowNumber += 2;

            // Example on ATAN2() function in formula
            sheet.Cell(rowNumber, 0).Value = "ATAN2(0" + dsep + "3" + lsep + "0.1)";
            sheet.Cell(rowNumber, 1).Value = "=ATAN2(0" + dsep + "3" + lsep + "0.1)";

            rowNumber += 2;

            // Example on ASIN() function in formula
            sheet.Cell(rowNumber, 0).Value = "ASIN(0" + dsep + "5)";
            sheet.Cell(rowNumber, 1).Value = "=ASIN(0" + dsep + "5)";

            rowNumber += 2;

            // Example on ACOS() function in formula
            sheet.Cell(rowNumber, 0).Value = "ACOS(0" + dsep + "5)";
            sheet.Cell(rowNumber, 1).Value = "=ACOS(0" + dsep + "5)";

            rowNumber += 2;

            // Example on EXP() function in formula
            sheet.Cell(rowNumber, 0).Value = "EXP(5)";
            sheet.Cell(rowNumber, 1).Value = "=EXP(5)";

            rowNumber += 2;

            // Example on SQRT() function in formula
            sheet.Cell(rowNumber, 0).Value = "SQRT(5)";
            sheet.Cell(rowNumber, 1).Value = "=SQRT(5)";

            rowNumber += 2;

            // Example on LN() function in formula
            sheet.Cell(rowNumber, 0).Value = "LN(5)";
            sheet.Cell(rowNumber, 1).Value = "=LN(5)";

            rowNumber += 2;

            // Example on LOG10() function in formula
            sheet.Cell(rowNumber, 0).Value = "LOG10(5)";
            sheet.Cell(rowNumber, 1).Value = "=LOG10(5)";

            rowNumber += 2;

            // Example on SUM() function in formula
            sheet.Cell(rowNumber, 0).Value = "SUM(5" + lsep + "3)";
            sheet.Cell(rowNumber, 1).Value = "=SUM(5" + lsep + "3)";

            rowNumber += 2;

            // Example on PRODUCT() function in formula
            sheet.Cell(rowNumber, 0).Value = "PRODUCT(5" + lsep + "3)";
            sheet.Cell(rowNumber, 1).Value = "=PRODUCT(5" + lsep + "3)";

            rowNumber += 2;

            // Example on VAR() function in formula
            sheet.Cell(rowNumber, 0).Value = "VAR(5" + lsep + "3)";
            sheet.Cell(rowNumber, 1).Value = "=VAR(5" + lsep + "3)";

            rowNumber += 2;

            // Example on VARP() function in formula
            sheet.Cell(rowNumber, 0).Value = "VARP(5" + lsep + "3)";
            sheet.Cell(rowNumber, 1).Value = "=VARP(5" + lsep + "3)";

            rowNumber += 2;

            // Example on STDEV() function in formula
            sheet.Cell(rowNumber, 0).Value = "STDEV(5" + lsep + "3)";
            sheet.Cell(rowNumber, 1).Value = "=STDEV(5" + lsep + "3)";

            rowNumber += 2;

            // Example on STDEVP() function in formula
            sheet.Cell(rowNumber, 0).Value = "STDEVP(5" + lsep + "3)";
            sheet.Cell(rowNumber, 1).Value = "=STDEVP(5" + lsep + "3)";

            rowNumber += 2;

            // Example on AVERAGE() function in formula
            sheet.Cell(rowNumber, 0).Value = "AVERAGE(50" + lsep + "30)";
            sheet.Cell(rowNumber, 1).Value = "=AVERAGE(50" + lsep + "30)";

            rowNumber += 2;

            // Example on MIN() function in formula
            sheet.Cell(rowNumber, 0).Value = "MIN(50" + lsep + "30)";
            sheet.Cell(rowNumber, 1).Value = "=MIN(50" + lsep + "30)";

            rowNumber += 2;

            // Example on MAX() function in formula
            sheet.Cell(rowNumber, 0).Value = "MAX(50" + lsep + "30)";
            sheet.Cell(rowNumber, 1).Value = "=MAX(50" + lsep + "30)";

            rowNumber += 2;

            // Example on PI() function in formula
            sheet.Cell(rowNumber, 0).Value = "PI()";
            sheet.Cell(rowNumber, 1).Value = "=PI()";

            rowNumber += 2;

            // Example on ABS() function in formula
            sheet.Cell(rowNumber, 0).Value = "ABS(-5)";
            sheet.Cell(rowNumber, 1).Value = "=ABS(-5)";

            rowNumber += 2;

            // Example on RAND() function in formula
            sheet.Cell(rowNumber, 0).Value = "RAND()";
            sheet.Cell(rowNumber, 1).Value = "=RAND()";

            rowNumber += 2;

            // Example on MOD() function in formula
            sheet.Cell(rowNumber, 0).Value = "MOD(10" + dsep + "8" + lsep + "2)";
            sheet.Cell(rowNumber, 1).Value = "=MOD(10" + dsep + "8" + lsep + "2)";

            rowNumber += 2;

            // Example on INT() function in formula
            sheet.Cell(rowNumber, 0).Value = "INT(10" + dsep + "8)";
            sheet.Cell(rowNumber, 1).Value = "=INT(10" + dsep + "8)";

            rowNumber += 2;

            // Example on SIGN() function in formula
            sheet.Cell(rowNumber, 0).Value = "SIGN(10" + dsep + "8)";
            sheet.Cell(rowNumber, 1).Value = "=SIGN(10" + dsep + "8)";

            rowNumber += 2;

            // Example on ROUND() function in formula
            sheet.Cell(rowNumber, 0).Value = "ROUND(10" + dsep + "862456" + lsep + "4)";
            sheet.Cell(rowNumber, 1).Value = "=ROUND(10" + dsep + "862456" + lsep + "4)";

            rowNumber += 2;

            // Example on RADIANS() function in formula
            sheet.Cell(rowNumber, 0).Value = "RADIANS(180)";
            sheet.Cell(rowNumber, 1).Value = "=RADIANS(180)";

            rowNumber += 2;

            // Example on DEGREES() function in formula
            sheet.Cell(rowNumber, 0).Value = "DEGREES(3" + dsep + "14)";
            sheet.Cell(rowNumber, 1).Value = "=DEGREES(3" + dsep + "14)";

            rowNumber += 2;

            // Example on LEN() function in formula
            sheet.Cell(rowNumber, 0).Value = "LEN(\"Bytescout\")";
            sheet.Cell(rowNumber, 1).Value = "=LEN(\"Bytescout\")";

            rowNumber += 2;

            // Example on MID() function in formula
            sheet.Cell(rowNumber, 0).Value = "MID(\"Bytescout\"" + lsep + "5" + lsep + "5)";
            sheet.Cell(rowNumber, 1).Value = "=MID(\"Bytescout\"" + lsep + "5" + lsep + "5)";

            rowNumber += 2;

            // Example on NOW() function in formula
            sheet.Cell(rowNumber, 0).Value = "NOW()";
            sheet.Cell(rowNumber, 1).Value = "=NOW()";

            rowNumber += 2;

            // Example on DATE() function in formula
            sheet.Cell(rowNumber, 0).Value = "DATE(2009" + lsep + "1" + lsep + "2)";
            sheet.Cell(rowNumber, 1).Value = "=DATE(2009" + lsep + "1" + lsep + "2)";

            rowNumber += 2;

            // Example on TIME() function in formula
            sheet.Cell(rowNumber, 0).Value = "TIME(1" + lsep + "1" + lsep + "2)";
            sheet.Cell(rowNumber, 1).Value = "=TIME(1" + lsep + "1" + lsep + "2)";

            rowNumber += 2;

            // Example on SECOND() function in formula
            sheet.Cell(rowNumber, 0).Value = "SECOND(\"18:45:02\")";
            sheet.Cell(rowNumber, 1).Value = "=SECOND(\"18:45:02\")";

            rowNumber += 2;

            // Example on MINUTE() function in formula
            sheet.Cell(rowNumber, 0).Value = "MINUTE(\"18:45:02\")";
            sheet.Cell(rowNumber, 1).Value = "=MINUTE(\"18:45:02\")";

            rowNumber += 2;

            // Example on HOUR() function in formula
            sheet.Cell(rowNumber, 0).Value = "HOUR(\"18:45:02\")";
            sheet.Cell(rowNumber, 1).Value = "=HOUR(\"18:45:02\")";

            rowNumber += 2;

            // Example on YEAR() function in formula
            sheet.Cell(rowNumber, 0).Value = "YEAR(NOW())";
            sheet.Cell(rowNumber, 1).Value = "=YEAR(NOW())";

            rowNumber += 2;

            // Example on MONTH() function in formula
            sheet.Cell(rowNumber, 0).Value = "MONTH(NOW())";
            sheet.Cell(rowNumber, 1).Value = "=MONTH(NOW())";

            rowNumber += 2;

            // Example on DAY() function in formula
            sheet.Cell(rowNumber, 0).Value = "DAY(NOW())";
            sheet.Cell(rowNumber, 1).Value = "=DAY(NOW())";

            rowNumber += 2;

            // Example on WEEKDAY() function in formula
            sheet.Cell(rowNumber, 0).Value = "WEEKDAY(NOW())";
            sheet.Cell(rowNumber, 1).Value = "=WEEKDAY(NOW())";

            rowNumber += 2;
            
            // Example on FALSE in formula
            sheet.Cell(rowNumber, 0).Value = "FALSE";
            sheet.Cell(rowNumber, 1).Value = "=FALSE";

            rowNumber += 2;

            // Example on TRUE in formula
            sheet.Cell(rowNumber, 0).Value = "TRUE";
            sheet.Cell(rowNumber, 1).Value = "=TRUE";

            rowNumber += 2;

            // Example on AND() function in formula
            sheet.Cell(rowNumber, 0).Value = "AND";
            sheet.Cell(rowNumber, 1).Value = "=AND(10>1" + lsep + "10<100)";

            rowNumber += 2;

            // Example on OR() function in formula
            sheet.Cell(rowNumber, 0).Value = "OR(10>1" + lsep + "10<100)";
            sheet.Cell(rowNumber, 1).Value = "=OR(10>1" + lsep + "10<100)";

            rowNumber += 2;

            // Example on NOT() function in formula
            sheet.Cell(rowNumber, 0).Value = "NOT(1+1=2)";
            sheet.Cell(rowNumber, 1).Value = "=NOT(1+1=2)";

            rowNumber += 2;

            // Example on ISNA() function in formula
            sheet.Cell(rowNumber, 0).Value = "ISNA(NA())";
            sheet.Cell(rowNumber, 1).Value = "=ISNA(NA())";

            rowNumber += 2;

            // Example on NA() function in formula
            sheet.Cell(rowNumber, 0).Value = "NA()";
            sheet.Cell(rowNumber, 1).Value = "=NA()";

            rowNumber += 2;

            // Example on ISERROR() function in formula
            sheet.Cell(rowNumber, 0).Value = "ISERROR(1/0)";
            sheet.Cell(rowNumber, 1).Value = "=ISERROR(1/0)";

            rowNumber += 2;

            // Example on ROW() function in formula
            sheet.Cell(rowNumber, 0).Value = "ROW()";
            sheet.Cell(rowNumber, 1).Value = "=ROW()";

            rowNumber += 2;

            // Example on COLUMN() function in formula
            sheet.Cell(rowNumber, 0).Value = "COLUMN()";
            sheet.Cell(rowNumber, 1).Value = "=COLUMN()";

            rowNumber += 2;

            // Example on COUNT() function in formula
            sheet.Cell(rowNumber, 0).Value = "COUNT(B1:B10)";
            sheet.Cell(rowNumber, 1).Value = "=COUNT(B1:B10)";

            rowNumber += 2;

            // Example on COUNTA() function in formula
            sheet.Cell(rowNumber, 0).Value = "COUNTA(B1:B10)";
            sheet.Cell(rowNumber, 1).Value = "=COUNTA(B1:B10)";

            rowNumber += 2;

            // Example on COUNTA() function in formula
            sheet.Cell(rowNumber, 0).Value = "IF(1=1" + lsep + "TRUE" + lsep + "FALSE)";
            sheet.Cell(rowNumber, 1).Value = "=IF(1=1" + lsep + "TRUE" + lsep + "FALSE)";

            rowNumber += 2;

            // Example on COUNTA() function in formula
            sheet.Cell(rowNumber, 0).Value = "NPV(10%" + lsep + "10000" + lsep + "1000" + lsep + "2000" + lsep + "300)";
            sheet.Cell(rowNumber, 1).Value = "=NPV(10%" + lsep + "10000" + lsep + "1000" + lsep + "2000" + lsep + "300)";

            try
            {
                System.IO.File.Delete("output.xls");
            }
            catch (Exception ex)
            {
            }

            spreadsheet.SaveAs("output.xls");

            spreadsheet.Close();

            System.Diagnostics.Process.Start("output.xls");
        }
    }
}