Grids.....

grids.cs

using System;

namespace Grids
{
    class Program
    {
        static void Main(string[] args)
        {
            var grid = new GameGrid(5, 7);
            grid.Display();
        }
    }

    public class GameGrid
    {
        private GameCell[,] _grid;
        public GameGrid(int width, int height)
        {
            _grid = new GameCell[width, height];
            for (int y = 0; y < height; y++)
            {
                for (int x = 0; x < width; x++)
                {
                    _grid[x, y] = new GameCell() {Name = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"[y] + (x + 1).ToString()};
                }
            }
        }

        public void Display()
        {
            for (int y = 0; y < _grid.GetLength(1); y++)
            {
                for (int x = 0; x < _grid.GetLength(0); x++)
                {
                    var c = Console.BackgroundColor; 
                    Console.BackgroundColor = ColorForState(_grid[x, y].State);
                    Console.Write($"{_grid[x, y].Name}");
                    Console.BackgroundColor = c;
                    Console.Write(" ");
                }
                Console.WriteLine();
            }
        }

        private ConsoleColor ColorForState(GameCell.CellState state)
        {
            switch (state)
            {
                case GameCell.CellState.Hidden : return ConsoleColor.Gray;
                case GameCell.CellState.Hit : return ConsoleColor.Red;
                default:
                return ConsoleColor.Blue;
            }
            
        }
    }

    internal class GameCell
    {
        public enum CellState
        {
            Hit,
            Miss,
            Hidden
        }
        public string Name { get; set; }
        public CellState State { get; set; } = CellState.Hit;
    }
}

prints

A1 A2 A3 A4 A5
B1 B2 B3 B4 B5
C1 C2 C3 C4 C5
D1 D2 D3 D4 D5
E1 E2 E3 E4 E5
F1 F2 F3 F4 F5
G1 G2 G3 G4 G5