private void button2_Click(object sender, EventArgs e)
{
addEstablishmentNames aEN = new addEstablishmentNames();
aEN.lblEstabNo.Text = "0";
aEN.ShowDialog();
}
private void DGVestablishment_DoubleClick(object sender, EventArgs e)
{
string establishmentNoStr = DGVestablishment.SelectedRows[0].Cells["EstablishmentNo"].Value.ToString();//MessageBox.Show(drugNoStr);
addEstablishmentNames add = new addEstablishmentNames();
add.lblEstabNo.Text = establishmentNoStr; //drugNoStr > 0 : update
add.lblEstablishmentHeader.Text = "Update or Delete Establishment Name";
add.ShowDialog();
}