Grid Line Settings of DataGridView in C# Window Application

//Add a window form and add a datagridview on that form. and then write the code given below


using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using Nevron.UI.WinForm.Controls;
namespace MyCustomGrid
{
    public partial class Form1 : Form
    {
        //Create a Context menu for the grid control on which events will fire(execute)

        public ContextMenuStrip Mycontextmenu = new ContextMenuStrip();
       
        //Create a property name of the grid control, Now the grid name is "_MyGrid" in place of datagridview1.
        private DataGridView _MyGrid;
        public DataGridView MyGrid
        {
            get { return _MyGrid; }
            set { _MyGrid = value; }
        }


        //here the constructor
        public Form1()
        {
            InitializeComponent();
            _MyGrid = dataGridView1;  // Pass the dataGridView1 to the _MyGrid so that dataGridView1 refer to _MyGrid
        }

        //Write the Context menu strip items on the Form load Event.
        private void Form1_Load(object sender, EventArgs e)
        {
            ToolStripMenuItem tsHorizontle, tsVertical, tsGrid,tsHideGrid;
           
            tsHorizontle = new ToolStripMenuItem("Horizontle Lines");
            tsHorizontle.Click += new EventHandler(tsHorizontle_Click);

            tsVertical = new ToolStripMenuItem("Vertical Lines");
            tsVertical.Click += new EventHandler(tsVertical_Click);

            tsGrid = new ToolStripMenuItem("Full Grid Lines");
            tsGrid.Click += new EventHandler(tsGrid_Click);
            tsHideGrid = new ToolStripMenuItem("Hide Grid Lines");
            tsHideGrid.Click += new EventHandler(tsHideGrid_Click);

            Mycontextmenu.Items.Add(tsVertical);
            Mycontextmenu.Items.Add(tsHorizontle);
            Mycontextmenu.Items.Add(tsGrid);
            Mycontextmenu.Items.Add(tsHideGrid);

            this.ContextMenuStrip = Mycontextmenu;  //here this refrers to the Grid Control : _MyGrid
        }

       private void tsHideGrid_Click(object sender, EventArgs e)  //Hide grid line event
        {
            this._MyGrid.CellBorderStyle = DataGridViewCellBorderStyle.None; 
        }

       private void tsGrid_Click(object sender, EventArgs e)
        {
            //Customized the cells on the basis of Customized Class given at last of the code
            DataGridViewAdvancedBorderStyle mystyle = new DataGridViewAdvancedBorderStyle();
            mystyle.All = DataGridViewAdvancedCellBorderStyle.None;
            DataGridViewAdvancedBorderStyle myplaceholder = new DataGridViewAdvancedBorderStyle();

            for (int i = 0; i < _MyGrid.RowCount; i++)
            {
                for (int j = 0; j < _MyGrid.ColumnCount; j++)
                {
                    CustomDataGridViewCell cellName = new CustomDataGridViewCell();
                    _MyGrid.Rows[i].Cells[j] = cellName;
                    cellName.AdvancedBorderStyle.Left = DataGridViewAdvancedCellBorderStyle.Inset;
                    cellName.AdvancedBorderStyle.Right = DataGridViewAdvancedCellBorderStyle.Inset;
                    cellName.AdvancedBorderStyle.Top = DataGridViewAdvancedCellBorderStyle.Inset;
                    cellName.AdvancedBorderStyle.Bottom = DataGridViewAdvancedCellBorderStyle.Inset;
                }
            }
            //Or in simple way, you can write only this single line code
           
            //this._MyGrid.CellBorderStyle = DataGridViewCellBorderStyle.Single;


        }

       private void tsVertical_Click(object sender, EventArgs e)
        {
            VerticalLines();
           
            //Or in simple way, you can write only this single line code
           
            //this._MyGrid.CellBorderStyle = DataGridViewCellBorderStyle.SingleVertical;

        }

       private void tsHorizontle_Click(object sender, EventArgs e)
        {
            HorizontleLines();
           
            //Or in simple way, you can write only this single line code
           
            //this._MyGrid.CellBorderStyle = DataGridViewCellBorderStyle.SingleHorizontal;

        }

        private void VerticalLines()
        {

            DataGridViewAdvancedBorderStyle mystyle = new DataGridViewAdvancedBorderStyle();
            mystyle.All = DataGridViewAdvancedCellBorderStyle.None;
            DataGridViewAdvancedBorderStyle myplaceholder = new DataGridViewAdvancedBorderStyle();

            for (int i = 0; i < _MyGrid.RowCount; i++)
            {
                for (int j = 0; j < _MyGrid.ColumnCount; j++)
                {
                    CustomDataGridViewCell cellName = new CustomDataGridViewCell();
                    _MyGrid.Rows[i].Cells[j] = cellName;
                    cellName.AdvancedBorderStyle.Left = DataGridViewAdvancedCellBorderStyle.Inset;
                    cellName.AdvancedBorderStyle.Right = DataGridViewAdvancedCellBorderStyle.Inset;
                    cellName.AdvancedBorderStyle.Top = DataGridViewAdvancedCellBorderStyle.None;
                    cellName.AdvancedBorderStyle.Bottom = DataGridViewAdvancedCellBorderStyle.None;
                }
            }
        }

        private void HorizontleLines()
        {
            DataGridViewAdvancedBorderStyle mystyle = new DataGridViewAdvancedBorderStyle();
            mystyle.All = DataGridViewAdvancedCellBorderStyle.None;
            DataGridViewAdvancedBorderStyle myplaceholder = new DataGridViewAdvancedBorderStyle();

            for (int i = 0; i < _MyGrid.RowCount; i++)
            {
                for (int j = 0; j < _MyGrid.ColumnCount; j++)
                {
                    CustomDataGridViewCell cellName = new CustomDataGridViewCell();
                    _MyGrid.Rows[i].Cells[j] = cellName;
                    cellName.AdvancedBorderStyle.Top = DataGridViewAdvancedCellBorderStyle.Inset;
                    cellName.AdvancedBorderStyle.Bottom = DataGridViewAdvancedCellBorderStyle.Inset;
                    cellName.AdvancedBorderStyle.Left = DataGridViewAdvancedCellBorderStyle.None;
                    cellName.AdvancedBorderStyle.Right = DataGridViewAdvancedCellBorderStyle.None;
                }
            }
        }

        private void button1_Click(object sender, EventArgs e)// here we add the rows on the grid control
        {
            _MyGrid.Rows.Add();
        }

    }
    //here the customized class for the grid lines
    public class CustomDataGridViewCell : DataGridViewTextBoxCell
    {
        private DataGridViewAdvancedBorderStyle _style;

        public CustomDataGridViewCell()
            : base()
        {
            _style = new DataGridViewAdvancedBorderStyle();
            _style.Bottom = DataGridViewAdvancedCellBorderStyle.None;
            _style.Top = DataGridViewAdvancedCellBorderStyle.None;
            _style.Left = DataGridViewAdvancedCellBorderStyle.None;
            _style.Right = DataGridViewAdvancedCellBorderStyle.None;


        }

        public DataGridViewAdvancedBorderStyle AdvancedBorderStyle
        {
            get { return _style; }
            set
            {
                _style.Bottom = value.Bottom;
                _style.Top = value.Top;
                _style.Left = value.Left;
                _style.Right = value.Right;
            }
        }

        protected override void PaintBorder(Graphics graphics, Rectangle clipBounds, Rectangle bounds, DataGridViewCellStyle cellStyle, DataGridViewAdvancedBorderStyle advancedBorderStyle)
        {
            base.PaintBorder(graphics, clipBounds, bounds, cellStyle, _style);
        }

        protected override void Paint(Graphics graphics, Rectangle clipBounds, Rectangle cellBounds, int rowIndex, DataGridViewElementStates cellState, object value, object formattedValue, string errorText, DataGridViewCellStyle cellStyle, DataGridViewAdvancedBorderStyle advancedBorderStyle, DataGridViewPaintParts paintParts)
        {
            base.Paint(graphics, clipBounds, cellBounds, rowIndex, cellState, value, formattedValue, errorText, cellStyle, _style, paintParts);
        }

    }

}