WLC_Programming Knowledge

using System;
using System.Windows.Forms;
namespace BubbleSort
{
    public partial class frmBubbleSort : Form
    {
        public frmBubbleSort()
        {
            InitializeComponent();
        }

        private void txtSetColumn_TextChanged(object sender, EventArgs e)
        {
            if (txtSetColumn.Text != "") {
                //For Row of UnSorted-DataGridView
                dgvUnSort.RowTemplate.Height = 35;
                dgvUnSort.RowCount = 1;
                dgvUnSort.RowHeadersVisible = false;
                //For Column of UnSorted-DataGridView
                dgvUnSort.ColumnCount = int.Parse(txtSetColumn.Text);
                dgvUnSort.AllowUserToResizeColumns = true;
                dgvUnSort.ColumnHeadersVisible = false;
                for (int i = 0; i < dgvUnSort.ColumnCount; i++) {
                    dgvUnSort.Columns[i].Width = 35;
                }

                //For Row of Sorted-DataGridView
                dgvSort.RowTemplate.Height = 35;
                dgvSort.RowCount = 1;
                dgvSort.RowHeadersVisible = false;
                //For Column of Sorted-DataGridView
                dgvSort.ColumnCount = int.Parse(txtSetColumn.Text);
                dgvSort.AllowUserToResizeColumns = true;
                dgvSort.ColumnHeadersVisible = false;
                for (int i = 0; i < dgvSort.ColumnCount; i++) {
                    dgvSort.Columns[i].Width = 35;
                }
            } else {
                dgvUnSort.Rows.Clear();
                dgvSort.Rows.Clear();
            }
        }

        private void btnBubbleSort_Click(object sender, EventArgs e)
        {
            //Set Default Sorting Option
            if (cbSortOption.SelectedIndex == -1) {
                cbSortOption.Text = "ASC";
            }
            //Load Data to Array[] from DataDridView
            int length = dgvUnSort.ColumnCount;
            int[] UnSortedArr = new int[length];
            for (int i = 0; i < length; i++) {
                UnSortedArr[i] = int.Parse(dgvUnSort.Rows[0].Cells[i].Value.ToString());
            }
            //Call BubbleSort Method
            int[] SortedResult = BubbleSorted(UnSortedArr, cbSortOption.Text);
            //Add Sorted Data to DataGridView
            for (int i = 0; i < SortedResult.Length; i++) {
                dgvSort.Rows[0].Cells[i].Value = SortedResult[i];
            }
        }

        public int[] BubbleSorted(int[] arr, string Opt)
        {
            int length = arr.Length;
            switch (Opt)
            {
                case "ASC" :
                    for (int i = 0; i < length; i++) {
                        for (int j = 0; j < length-1 - i ; j++) {
                            if (arr[j] > arr[j+1]) {
                                int key = arr[j];
                                arr[j] = arr[j + 1];
                                arr[j + 1] = key;
                            }
                        }
                    }
                    return arr;

                case "DESC":
                    for (int i = 0; i < length; i++) {
                        for (int j = 0; j < length - 1 - i; j++) {
                            if (arr[j] < arr[j + 1]) {
                                int key = arr[j];
                                arr[j] = arr[j + 1];
                                arr[j + 1] = key;
                            }
                        }
                    }
                    return arr;

                default:
                    return null;
            }           
        }
    }
}