// Form load
private void Form1_Load(object sender, EventArgs e)
        {
            InitializeGrid();

            iGrid1.Rows[1].CellStyle = new iGCellStyle();

            //set custom draw flags
            iGrid1.Rows[1].CellStyle.CustomDrawFlags = iGCustomDrawFlags.Foreground;          

            //add event handlers
            iGrid1.CustomDrawCellForeground +=
            new iGCustomDrawCellEventHandler(iGrid1_CustomDrawCellForeground);
        }

// Initialize Grid
private void InitializeGrid()
        {
            iGrid1.Rows.Count = 4;
            iGrid1.Cols.Count = 4;

            // Set values to rows and columns
            foreach (iGCell item in iGrid1.Cells)
            {
                if (item.Value == null)
                {
                    item.Value = "Row " + item.RowIndex.ToString() + ", Column " + item.ColIndex.ToString();
                }
            }

            // Set Column 2 backcolor as Yellow
            iGrid1.Cols[2].CellStyle.BackColor = Color.Yellow;
        }

// Draw red Border line
private void iGrid1_CustomDrawCellForeground(object sender, iGCustomDrawCellEventArgs e)
        {
            //draw rectangle
            e.Graphics.FillRectangle(
            Brushes.Red,
            e.Bounds.X,
            e.Bounds.Y + e.Bounds.Height - 2,
            e.Bounds.Width,
            4);
        }


// Set value on cell change
 private void iGridTasks_CurCellChanged(object sender, EventArgs e)
        {
            iGrid1.Cells[1, 2].Value = "abc";
        }