c# datagridview 添加行

c# datagridview 添加行

            int i= dataGridView1.CurrentRow.Index;
            DataGridViewRow dr = new DataGridViewRow();
            foreach (DataGridViewColumn c in dataGridView1.Columns)
            {
                dr.Cells.Add(c.CellTemplate.Clone() as DataGridViewCell); 
            }

            //假设有3列

            dr.Cells[0].Value = textBox1.Text;
            dr.Cells[1].Value = textBox2.Text;
            dr.Cells[2].Value = textBox3.Text;

            dataGridView1.Rows.Insert(i, dr);