Console Table

ConsoleTable.cs

using System;
using System.Collections.Generic;
using System.Linq;

internal static class ConsoleTable
{
    public static void Run()
    {
        double[] Rows = { 26000, 28000, 30000, 32000, 34000, 36000, 38000, 40000, 42000, 44000, 46000 };
        double[] Cols = { 0, 11000, 20000, 30000, 40000 };
        double[,] Table =
        {
            { 210, 210, 210, 210, 210}, //  0
            { 210, 210, 210, 210, 210}, //  1
            { 210, 210, 210, 210, 210}, //  2
            { 210, 210, 210, 210, 218}, //  3
            { 210, 210, 210, 210, 226}, //  4
            { 210, 210, 210, 216, 233}, //  5
            { 210, 210, 214, 223, 240}, //  6
            { 210, 210, 218, 228, 247}, //  7
            { 216, 216, 224, 235, 255}, //  8
            { 221, 221, 229, 242, 262}, //  9
            { 227, 227, 235, 249, 269}  // 10
        };

        Console.WriteLine();

        Console.Clear();

        var table_width = Console.WindowWidth;
        PrintLine(table_width);

        var header = new List<object> { string.Empty };
        header.AddRange(Cols.Cast<object>());
        PrintRow(table_width, header);

        for (var i = 0; i < Rows.Length; i++)
        {
            var row = new List<object> { Rows[i] };
            row.AddRange(Table.GetRow(i).Cast<object>());
            PrintRow(table_width, row);
        }

        Console.ReadLine();
        Console.WriteLine(result);
        Console.WriteLine($"Y = {result_y}");
        Console.WriteLine($"X = {result_x}");
        Console.ReadLine();
    }

    private static void PrintLine(int TableWidth) => Console.WriteLine(new string('-', TableWidth));

    private static void PrintRow(int TableWidth, IReadOnlyCollection<object> columns)
    {
        var width = (TableWidth - columns.Count) / columns.Count;
        var row   = columns.Aggregate("|", (current, column) => $"{current}{AlignCentre(column.ToString()!, width)}|");

        Console.WriteLine(row);
    }

    private static string AlignCentre(string text, int width)
    {
        text = text.Length > width 
            ? $"{text[..(width - 3)]}..." 
            : text;

        return string.IsNullOrEmpty(text) 
            ? new string(' ', width) 
            : text.PadRight(width - (width - text.Length) / 2).PadLeft(width);
    }
}