private void button2_Click(object sender, EventArgs e)
        {
            this.Hide();
            RoomList f1 = new RoomList();

            f1.Show();
        }
        private void button1_Click(object sender, EventArgs e)
        {
            count++;
            var file = @"C:\Users\anusha\Documents\Visual Studio 2013\Projects\sesprint1\sesprint1\count.csv";

            List <string> example = new List <string>();

            example.Add(count.ToString());

            File.WriteAllLines(file, example);
            Boolean errorFlag = false;
            var     rm        = new Node();

            try
            {
                rm.roomName       = textBox1.Text;
                rm.O_Vtemperature = Double.Parse(textBox2.Text);
                rm.O_VWater       = Double.Parse(textBox3.Text);
                rm.O_VHumidity    = Double.Parse(textBox4.Text);
                rm.O_VSoilAcidity = Double.Parse(textBox5.Text);
                rm.O_VPlantBed    = Double.Parse(textBox6.Text);
                rm.O_VFertilizer  = Double.Parse(textBox7.Text);
                rm.O_VLighting    = Double.Parse(textBox8.Text);
                if (rm.roomName == "")
                {
                    rm.roomName = "room" + count;
                }
            }
            catch (FormatException)
            {
                MessageBox.Show("Please enter double datatype values");
                errorFlag = true;
            }
            catch (NullReferenceException)
            {
                //   textBox1.Text = "";
                textBox2.Text = "";
                textBox3.Text = "";
                textBox4.Text = "";
                textBox5.Text = "";
                textBox6.Text = "";
                textBox7.Text = "";
                textBox8.Text = "";
            }
            if (errorFlag == false)
            {
                MessageBox.Show("Room added successfully");
                this.Hide();

                RoomList f1 = new RoomList();
                Room     f2 = new Room(rm);
                f1.createnode(rm.roomName);
                f1.Show();
            }
        }