private void addFertiliser()
{
Fertiliser f1 = new Fertiliser();
f1.Name = textBox1.Text;
f1.Quantity_kg = Convert.ToInt32(textBox2.Text);
f1.Remark = textBox3.Text;
InsertSQL add = new InsertSQL();
int addrecord = add.addNewFertiliser(f1);
MessageBox.Show("Seccuess!!");
this.Close();
}