public ActionResult Index(string num1, string num2, string dropdownlist1)
{
var numa = num1;
var numb = num2;
var selectvalue =dropdownlist1;
WebService1SoapClient web = new WebService1SoapClient();
var result = "";
if (selectvalue.Equals("+"))
{
result = (web.addition(double.Parse(numa), double.Parse(numb))).ToString();
}
else if (selectvalue.Equals("-"))
{
result = (web.subtract(double.Parse(numa), double.Parse(numb))).ToString();
}
else if (selectvalue.Equals("*"))
{
result = (web.multiplication(double.Parse(numa), double.Parse(numb))).ToString();
}
else if (selectvalue.Equals("/"))
{
result = (web.division(double.Parse(numa), double.Parse(numb))).ToString();
}
else
{
result = "非法计算方式";
}
ViewBag.result = result;
return View();
}