Corrected Spiral Matrix

using System;

class Program
{
    static void Main()
    {
        Console.WriteLine("enter n");
            int n = int.Parse(Console.ReadLine());
            int[,] spiral = new int[n, n];
            int c =1;
            int rows = 0;
            int cols = 0;
            int t = 0;

            while (c <= n*n)
            {
                while ((rows <= n - 1 - t))  //right
                {
                    spiral[cols, rows] = c;
                    c++;
                    rows++;
                }
                rows--;
                cols++;
                while (cols <= n - 1 - t)  //down
                {
                    spiral[cols, rows] = c;
                    c++;
                    cols++;
                }
                cols--;
                rows--;
                while ((rows >= t))  //left
                {
                    spiral[cols, rows] = c;
                    c++;
                    rows--;
                }
                rows++;
                cols--;
                while (cols >= 1 + t)  //up
                {
                    spiral[cols, rows] = c;
                    c++;
                    cols--;
                }
                cols++;
                rows++;
            t++;
            }
            for (int i = 0; i < n; i++)
            {
                for (int j = 0; j < n; j++)
                {
                    Console.Write("{0}\t",spiral[i, j]);
                }
                Console.WriteLine();
            }
        }
    }