WinForm How to select a row of data in DataGridView double-click to jump and display it in the Datagirdview of another page

Form1：

    public static string [] a;    private void dataGridView1_DoubleClick( object sender, EventArgs e) //添加datagridview1的双击事件          {              try              {                  int index = dataGridView1.CurrentRow.Index;                  a =  new string [dataGridView1.ColumnCount];                  for ( int i = 0; i < dataGridView1.ColumnCount; i++)                  {                      a[i] = dataGridView1.Rows[index].Cells[i].Value.ToString();                   }                  Form2 f2 =  new Form2();                  f2.Show();                                                                                     }              catch { }          } Form2: //    public Form2()          {              InitializeComponent();              showGridView();          }    private void showGridView()          {              DataGridTextBoxColumn tb =  new DataGridTextBoxColumn();              dataGridView1.Rows.Add(tb);              for ( int i = 0; i < dataGridView1.ColumnCount;i++ )                  dataGridView1.Rows[dataGridView1.RowCount-2].Cells[i].Value = Form1.a[i]; //根据AllowUserToAddRow属性选择最后一行，true时dataGridView1.RowCount-2,false时dataGridView1.RowCount-1          }

WinForm How to select a row of data in DataGridView double-click to jump and display it in the Datagirdview of another page