datagridview 设置列对齐及显示数据格式

  以下为设置数字类型靠右显示及千分位格式显示

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";