I know that I'm able to convert things to string with .ToString() but I'm not sure how I would go about converting something to an integer.
int version = webBrowser1.Document.Body.InnerText;
if (version > 0.0.1)
{
}
Thats what I have so far
I'm trying to convert innertext to an integer, not trying to convert general things to integer.
You can do the following, based upon the format you expect, i.e. a version number consisting of integer parts separated by a dot ('.'):
var version = webBrowser.Document.Body.InnerText
.Split('.') // this splits the string into number parts
.Select(p => Int32.Parse(p)) // this converts each number part to an int
.ToArray() // this returns them as an array of integer values.
// This prints the version components
if (version.Length == 1)
Console.WriteLine("Version: {0}", version[0]);
else if (version.Length == 2)
Console.WriteLine("Version: Major = {0}, Minor = {1}", version[0], version[1]);
else if (version.Length == 3)
Console.WriteLine("Version: Major = {0}, Minor = {1}, Increment = {2}", version[0], version[1], version[2]);
else if (version.Length == 3)
Console.WriteLine("Version: Major = {0}, Minor = {1}, Increment = {2}, BuildNumber = {3}", version[0], version[1], version[2], version[4]);
else
Console.WriteLine("Version contains more than 4 ({0}) parts", version.Length);
Note, that this is not a single integer that you will get returned. You have to access the components individually if you want to do a comparison, I.e. compare version[0] with the major version that you are expecting, version[1] with the minor version component, etc.
A standard class that is already available specifically for version numbers formatted in this way is the Version class. You can create one from your text by doing this:
var version = new Version(webBrowser.Document.Body.InnerText);
// or alternatively:
//var version = Version.Parse(webBrowser.Document.Body.InnerText);
Console.WriteLine(version);
If you want to compare this with another version (let's say "2.3.1"), you can do that like this:
var otherVersion = new Version("2.3.1");
// Or alternatively:
// var otherVersion = new Version(2, 3, 1);
// this compares two versions
var compareResult = version.CompareTo(otherVersion);
if (compareResult < 0)
Console.WriteLine("version < otherVersion");
else if (compareResult > 0)
Console.WriteLine("version > otherVersion");
else
Console.WriteLine("version == otherVersion");
When applied to the code snippet in your question, you can use it like this:
var currentVersion = new Version("0.0.1");
var version = Version.Parse(webBrowser.Document.Body.InnerText);
if (version.CompareTo(currentVersion) > 0)
{
// version is newer (higher) than our current version of "0.0.1"
}
A number with two decimal points is not a number.
Here is an example:
using System;
namespace so29713053
{
class Program
{
static void Main(string[] args)
{
string version = "0.0.2";
Console.WriteLine("Checking if version match 0.0.1");
if (version == "0.0.1")
{
Console.WriteLine(" version match");
}
else
{
Console.WriteLine(" version doesn't match");
}
Console.WriteLine("\nChecking if version match 0.0.2");
if (version == "0.0.2")
{
Console.WriteLine(" version match");
}
else
{
Console.WriteLine(" version doesn't match");
}
Console.WriteLine("\nCheck version using string.compare...");
switch (string.Compare(version, "0.0.1"))
{
case 0:
Console.WriteLine(" version match");
break;
case 1:
Console.WriteLine(" version is newer");
break;
case -1:
Console.WriteLine(" version is older");
break;
}
// or you can go deep - code need error checking
string[] parts = version.Split('.');
string major = parts[0];
string minor = parts[1];
string revision = parts[2];
// compare each parts of the version number
Console.ReadLine();
}
}
}
Output:
