datagridview

  

dataGridView1.Columns[5].DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleRight;
            dataGridView1.Columns[4].DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleRight;
            dataGridView1.Columns[5].DefaultCellStyle.Format = "N2";
            dataGridView1.Columns[4].DefaultCellStyle.Format = "N2";