Validate Cells with Dates - C#
Spreadsheet SDK sample in C# demonstrating ‘Validate Cells with Dates’
Program.cs
using System;
using System.Collections.Generic;
using System.Text;
using System.Diagnostics;
using Bytescout.Spreadsheet;
using System.IO;
namespace HelloWorld
{
class Program
{
static void Main(string[] args)
{
// in this sample we scan cells with ages data for people
// then mark all dates where age is between 10 and 19 years and mark these cells with red color
// Create new Spreadsheet
Spreadsheet document = new Spreadsheet();
document.LoadFromFile("Data.xls");
// Get worksheet by name
Worksheet worksheet = document.Workbook.Worksheets.ByName("Sample");
// Years range
int RangeMin = 10;
int RangeMax = 19;
// Minimum age
DateTime YearMin = DateTime.Now;
// Maximum age
DateTime YearMax = DateTime.Now;
// Minimum year
YearMax = YearMax.AddYears(-RangeMin);
// Maximum year
YearMin = YearMin.AddYears(-RangeMax);
// Check dates
for (int i = 1; i < 8; i++)
{
// Set current cell
Cell currentCell = worksheet.Cell(i, 1);
DateTime dateBirth = currentCell.ValueAsDateTime;
// Check current cell
if (dateBirth < YearMin || dateBirth > YearMax)
{
// Set fill pattern
currentCell.FillPattern = Bytescout.Spreadsheet.Constants.PatternStyle.Solid;
// Markup wrong cell by red color
currentCell.FillPatternForeColor = System.Drawing.Color.Red;
}
// Set cell format
currentCell.NumberFormatString = "dd.mm.yyyy";
}
// delete output file if exists already
if (File.Exists("Output.xls")){
File.Delete("Output.xls");
}
// Save document
document.SaveAs("Output.xls");
// Close Spreadsheet
document.Close();
// open generated XLS document in default program
Process.Start("Output.xls");
}
}
}