Question

i need to paint only background of DataGridView cell not its Content.But while i’m doing painting it paint its content too.Please help me out.

My code goes like this.

private void Daywisegrid_CellPainting(object sender, DataGridViewCellPaintingEventArgs e)
        {
            if (e.RowIndex == 0 )

            {
                using (Brush gridBrush = new SolidBrush(this.Daywisegrid.GridColor))
                {
                    using (Brush backColorBrush = new SolidBrush(e.CellStyle.BackColor))
                    {
                        using (Pen gridLinePen = new Pen(gridBrush))
                        {
                            // Clear cell 
                            e.Graphics.FillRectangle(backColorBrush, e.CellBounds);
                            //Bottom line drawing
                            e.Graphics.DrawLine(gridLinePen, e.CellBounds.Left, e.CellBounds.Bottom-1 , e.CellBounds.Right, e.CellBounds.Bottom-1);


                            e.Handled = true;
                        }
                    }
                }
            }

Answer 1

i am not sure why you need to catch CellPainting event to change cell background color just do it like this

Daywisegrid.Rows[RowIndex].Cells[columnIndex].Style.BackColor = Color.Red;

But if you want to do it in painting try this

private void Daywisegrid_CellPainting(object sender, DataGridViewCellPaintingEventArgs e)
        {
            if (e.RowIndex == 0 )

            {
                using (Brush gridBrush = new SolidBrush(this.Daywisegrid.GridColor))
                {
                    using (Brush backColorBrush = new SolidBrush(e.CellStyle.BackColor))
                    {
                        using (Pen gridLinePen = new Pen(gridBrush))
                        {
                            // Clear cell 
                            e.Graphics.FillRectangle(backColorBrush, e.CellBounds);
                            //Bottom line drawing
                            e.Graphics.DrawLine(gridLinePen, e.CellBounds.Left, e.CellBounds.Bottom-1 , e.CellBounds.Right, e.CellBounds.Bottom-1);

                              // here you force paint of content
                             e.PaintContent( e.ClipBounds  );
                            e.Handled = true;
                        }
                    }
                }
            }