datagridview 大小自适应窗口大小，datagridview 随窗口大小变化而变化

Load(object sender, EventArgs e)
        {
            this.dataGridView1.Dock = System.Windows.Forms.DockStyle.Fill;
            this.dataGridView1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
              | System.Windows.Forms.AnchorStyles.Left)
              | System.Windows.Forms.AnchorStyles.Right)));
        }