private void Editbtn_Click(object sender, EventArgs e)
{
string x = Convert.ToString(dataGridView1.SelectedCells[0].Value);
int y = Convert.ToInt32(x);
AddItemForm a = new AddItemForm(y);
a.ShowDialog();
}
private void Addbtn_Click(object sender, EventArgs e)
{
AddItemForm a = new AddItemForm();
a.ShowDialog();
}