this.dataGridView1.Rows[0].Selected = false; this.dataGridView1.TabStop = false; this.dataGridView1.Rows[this.dataGridView1.Rows.Count - 1].Selected = true;在添加玩之后你加上这几行代码,前面两句清楚默认选中的第一行,后面一句让新添加的行选中