我代码如下        private void button1_Click(object sender, EventArgs e)
        {
            int index = dataGridView1.Rows.Add();
            DataGridViewRow newrow = dataGridView1.Rows[index];
            newrow.Cells[0].Value = textBox1.Text;
            newrow.Cells[1].Value = textBox2.Text;           
        }        private void Form2_Load(object sender, EventArgs e)
        {
            DataTable dt = new DataTable();
            DataColumn dcExcelName = new DataColumn("ExcelName");
            DataColumn dcExcelType = new DataColumn("ExcelType");
            dt.Columns.Add(dcExcelName);
            dt.Columns.Add(dcExcelType);
        }