How to validate age of persons in existing spreadsheet and mark incorrect values with red color using Bytescout.XLS for .NET

Bytescout.XLS library for .NET

How to validate person ages in existing XLS spreadsheet document and mark persons with non-teenager age with red color

This source code sample demonstrates how to use Bytescout.XLS library to open existing Excel (XLS) document and check the column with person ages: check if age is accepted (age should be teenager age from 10 to 19) and if age is not a teeneger age (less than 10 or greater than 19) so this person should be marked in the spreadsheet with red color

Download example source code: bytescoutxls_validate_if_cell_value_in_range.zip (8 KB)

Output spreadsheet (XLS) where persons with non-teenager age are marked with red color:

document with persons name and age: persons with non-teenager age are marked with red color

using System;
using System.Collections.Generic;
using System.Text;
using System.Diagnostics;
using Bytescout.XLS;

namespace HelloWorld
{
class Program
{
static void Main(string[] args)
{
// Create new XLSDocument
XLSDocument document = new XLSDocument("Data.xls");

// Get worksheet by name
Worksheet worksheet = document.WorkBook.Worksheets.ByName("Sample");

// Minimum age
int RangeMin = 10;
// Maximum age
int RangeMax = 19;

// Spellcheck words
for (int i = 1; i < 8; i++)
{
// Set current cell
Cell currentCell = worksheet.Cell(i, 1);

// Check current cell
if (System.Convert.ToInt32(currentCell.Value) < RangeMin || System.Convert.ToInt32(currentCell.Value) > RangeMax)
{
// Set fill pattern
currentCell.FillPattern = Bytescout.XLS.Constants.PatternStyle.Solid;

// Markup wrong cell by red color
currentCell.FillPatternForeColor = System.Drawing.Color.Red;
}
}

// Save document
document.SaveAs("CheckedData.xls");

// Close document
document.Close();

// open generated XLS document in default program
Process.Start("CheckedData.xls");
}
}
}

Download example source code: bytescoutxls_validate_if_cell_value_in_range.zip (8 KB)

Documentation online: view (separate window)

First steps tutorials:

Advanced Examples: