Show data in another form quick and easy

Question

What is wrong?  Error is every time only first column show

 

private void poreziDataGridView_Click(object sender, EventArgs e)
       {

               DataGridViewRow CurrentRow = poreziDataGridView.SelectedRows[0];
               Form2 f1 = new Form2();

          f1.idTextBox.Text = poreziDataGridView.CurrentRow.Cells["dataGridViewTextBoxColumn1"].Value.ToString();
          f1.imeTextBox.Text = poreziDataGridView.CurrentRow.Cells["dataGridViewTextBoxColumn2"].Value.ToString();
          f1.procenatTextBox.Text = poreziDataGridView.CurrentRow.Cells["dataGridViewTextBoxColumn3"].Value.ToString();
          f1.fiksna_vrednostTextBox.Text = poreziDataGridView.CurrentRow.Cells["dataGridViewTextBoxColumn4"].Value.ToString();
          f1.redni_brojTextBox.Text = poreziDataGridView.CurrentRow.Cells["dataGridViewTextBoxColumn5"].Value.ToString();

          f1.ShowDialog();

       }