private void dataGridView1_CellDoubleClick(object sender, DataGridViewCellEventArgs e) { // c = dataGridView1.Rows[e.RowIndex].Cells[1].Value.ToString(); DataGridViewRow row = dataGridView1.Rows[e.RowIndex]; // f13 = dataGridView1.Rows[e.RowIndex].Cells[0].Value.ToString(); c1.setValue(row.Cells[0].Value.ToString()); this.Close(); }