下面的代码怎么实现不了我想要的那个点击datagridview中任意一行，把该行的值对应用textBox显示呢？
private void dataGridView1_RowHeaderMouseClick(object sender, DataGridViewCellMouseEventArgs e)
  {
  int indextemp = dataGridView1.CurrentCell.RowIndex;//当前行号
  if (indexdelete != 1)
  {
  DataGridViewCheckBoxCell checkboxtemp = (DataGridViewCheckBoxCell)dataGridView1.Rows[indextemp].Cells[0];
  checkboxtemp.Value = 1;//设置当前行的checkbox为选中状态
  DataGridViewCheckBoxCell checkbox = (DataGridViewCheckBoxCell)dataGridView1.Rows[index].Cells[0];
  checkbox.Value = 0;//设置上次点击的行的checkbox为非选中状态
  index = indextemp;//暂存本次的点击的行号，作为下一次的“上次点击的行”

  }
  else
  {
  DataGridViewCheckBoxCell checkboxtemp = (DataGridViewCheckBoxCell)dataGridView1.Rows[indextemp].Cells[0];
  checkboxtemp.Value = 1;//设置当前行的checkbox为选中状态
  index = indextemp;//暂存本次的点击的行号，作为下一次的“上次点击的行”
  indexdelete = 0;
  }
  textBox1.Text = dataGridView1.Rows[indextemp].Cells[1].Value.ToString();
  textBox2.Text = dataGridView1.Rows[indextemp].Cells[3].Value.ToString();
  textBox3.Text = dataGridView1.Rows[indextemp].Cells[4].Value.ToString();
  textBox4.Text = dataGridView1.Rows[indextemp].Cells[5].Value.ToString();
  textBox5.Text = dataGridView1.Rows[indextemp].Cells[6].Value.ToString();
  textBox6.Text = dataGridView1.Rows[indextemp].Cells[7].Value.ToString();
  textBox7.Text = dataGridView1.Rows[indextemp].Cells[8].Value.ToString();
  textBox8.Text = dataGridView1.Rows[indextemp].Cells[9].Value.ToString();
  textBox9.Text = dataGridView1.Rows[indextemp].Cells[10].Value.ToString();
  textBox10.Text = dataGridView1.Rows[indextemp].Cells[11].Value.ToString();
  textBox11.Text = dataGridView1.Rows[indextemp].Cells[12].Value.ToString();
  textBox12.Text = dataGridView1.Rows[indextemp].Cells[13].Value.ToString();
  textBox13.Text = dataGridView1.Rows[indextemp].Cells[14].Value.ToString();
  textBox14.Text = dataGridView1.Rows[indextemp].Cells[15].Value.ToString();
  textBox15.Text = dataGridView1.Rows[indextemp].Cells[16].Value.ToString();
  textBox16.Text = dataGridView1.Rows[indextemp].Cells[17].Value.ToString();
  //try
  //{
  // int n = dataGridView1.CurrentCell.RowIndex;
  // if (n>0 && n < dataGridView1.RowCount - 1)
  // {
  // textBox1.Text = dataGridView1[0, n].Value.ToString().Trim();
  // textBox2.Text = dataGridView1[1, n].Value.ToString().Trim();
  // textBox3.Text = dataGridView1[2, n].Value.ToString().Trim();
  // textBox4.Text = dataGridView1[3, n].Value.ToString().Trim();
  // textBox5.Text = dataGridView1[4, n].Value.ToString().Trim();
  // textBox6.Text = dataGridView1[5, n].Value.ToString().Trim();
  // textBox7.Text = dataGridView1[6, n].Value.ToString().Trim();
  // textBox8.Text = dataGridView1[7, n].Value.ToString().Trim();
  // textBox9.Text = dataGridView1[8, n].Value.ToString().Trim();
  // textBox10.Text = dataGridView1[9, n].Value.ToString().Trim();
  //