protected void Button1_Click(object sender, EventArgs e)
    {
        Webservice.WebService1 web = new Webservice.WebService1();
        double res = web.add(Convert.ToDouble(TextBox1.Text), Convert.ToDouble(TextBox2.Text));
        TextBox3.Text = Convert.ToString(res);

        string connectionStringTestDb = ConfigurationManager.ConnectionStrings["dbString"].ConnectionString;
        //string dbString = "Data Source= .\SQLEXPRESS;AttachDbFilename=|DataDirectory|ArithmeticDatabase.mdf; Integrated Security=True;User Instance=True";
        SqlConnection myConnection = new SqlConnection(connectionStringTestDb);

        try
        {
            myConnection.Open();
            Console.WriteLine("successfully connected database");
             string arithOper= "add";
          string myquery;
          myquery = "insert into Arithmetic values('" + TextBox1.Text + "' , '" + TextBox2.Text + "','" + TextBox3.Text+"','"+arithOper+"')";
          SqlCommand updatecom = new SqlCommand(myquery, myConnection);
          updatecom.ExecuteNonQuery();
          myConnection.Close();

        }
        catch (SqlException ex)
        {
            Console.WriteLine("You failed!" + ex.Message);
            TextBox3.Text = Convert.ToString(ex.Message);
        }
    }
 protected void Button1_Click(object sender, EventArgs e)
 {
     Webservice.WebService1 web = new Webservice.WebService1();
     double res = web.add(Convert.ToDouble(TextBox1.Text), Convert.ToDouble(TextBox2.Text));
     TextBox3.Text = Convert.ToString(res);
 }