问将行表单datagridview表单%1传递到datagridview表单%2

EN

  private void Button1_Click(object sender, EventArgs e)
  {
    String str1  = String.Empty
    String str2 = String.Empty

    str1 = this.DataGridView1.Rows(0).Cells(0).Value.ToString()
    str2 = this.DataGridView1.Rows(0).Cells(1).Value.ToString()

    Form2 f2=new Form2(str1,str2)
    f2.Showdialog()
 }

 public Form2(string str1,string str2)
    {
        InitializeComponent();
        dataGridView1.Columns.Add("C", "C1");
        dataGridView1.Columns.Add("C","c2");
        dataGridView1.Rows.Add(str1, str2);
    }