private void добавитьToolStripMenuItem2_Click(object sender, EventArgs e)
{
string s = dataGridView1.Rows[dataGridView1.SelectedCells[0].RowIndex].Cells[0].Value.ToString();
int id = Convert.ToInt32(s);
AddContract addContract = new AddContract(this, id);
addContract.Show();
}
private void button3_Click(object sender, EventArgs e)//добавление договора
{
string s = dataGridView1.Rows[dataGridView1.SelectedCells[0].RowIndex].Cells[0].Value.ToString();
int id = Convert.ToInt32(s);
AddContract addContract = new AddContract(this, id);
addContract.Show();
}