How to increment a version number for a simple variable?

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I have a variable PluginVersion of type string with a value of 1.0.1.7
i.e. PluginVersion=1.0.1.7
I wanted to increment it in a way like this:
1.0.1.8 , 1.0.1.9,1.0.2.0..... 1.0.3.0 ..... 1.1.0.0. ... and so

Code Extract :

C#

if (checkExists(pluginRegistrationEntity))
{
    pluginRegistrationEntity.PluginVersion += 1;
    string cmdText = "Update PluginRegistration set PluginVersion='" + pluginRegistrationEntity.PluginVersion + "'where PluginName='" + pluginRegistrationEntity.PluginName + "' && Device Type='" + pluginRegistrationEntity.DeviceType + "' && DeviceManufacturer='" + pluginRegistrationEntity.DeviceManufacturer + "' && DeviceModel='" + pluginRegistrationEntity.DeviceModel + "'";
    SqlHelper.ExecuteReader(Dsn, CommandType.Text, cmdText);
    return 1;
}

How could i achieve this?
Thanks :)

Posted 17-Jul-14 3:27am

Anshumaan Chaturvedi

Updated 17-Jul-14 3:47am

v3

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Comments

Pikoh 17-Jul-14 9:36am

Increment when? How? Are you using clickonce?

Anshumaan Chaturvedi 17-Jul-14 9:39am

This data is being read from an xml file and before storing it in a particular table of a DB
it needs to be increment in a conditional code section.

Dilan Shaminda 17-Jul-14 9:40am

Do you want to increment the version of the project on building your application or you just want to increment PluginVersion variable?

Anshumaan Chaturvedi 17-Jul-14 9:43am

No, only the PluginVersion variable. that's it.
if (checkExists(pluginRegistrationEntity))
{
pluginRegistrationEntity.PluginVersion += 1; /// Errorneous logic
string cmdText = "Update PluginRegistration set PluginVersion='" + pluginRegistrationEntity.PluginVersion + "'where PluginName='" + pluginRegistrationEntity.PluginName + "' && Device Type='" + pluginRegistrationEntity.DeviceType + "' && DeviceManufacturer='" + pluginRegistrationEntity.DeviceManufacturer + "' && DeviceModel='" + pluginRegistrationEntity.DeviceModel + "'";
SqlHelper.ExecuteReader(Dsn, CommandType.Text, cmdText);
return 1;

Pikoh 17-Jul-14 9:45am

First,instead of pasting code here,click improve question and paste it there so the code shows formatted. Second,your logic seems ok,what error give it to you?

Anshumaan Chaturvedi 17-Jul-14 9:48am

it is coming as 1.0.1.71 and not 1.0.1.8

Dilan Shaminda 17-Jul-14 10:49am

it's because you are appending the string

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Pikoh · Accepted Answer · 2014-07-17T04:05:00

Ok,so your problem is "rounding" your variable to just one digit. There should be thousands of approaches,let me show you just the first it comes to my mind:

C#

string[] version = pluginRegistrationEntity.PluginVersion.Split('.');
version[3] = (int.Parse(version[3]) + 1).ToString();
for (int i = 3; i > 0; i--)
{
   if (version[i].Length > 1)
   {
        version[i] = "0";
        version[i-1] = (int.Parse(version[i-1]) + 1).ToString(); ;
    }
}
pluginRegistrationEntity.PluginVersion = version[0] + "." + version[1] + "." + version[2] + "." + version[3];

I'm sure there are better ways to do it,but i think this works.

Praveen Nair (NinethSense) · Accepted Answer · 2014-07-17T04:20:00

What about something like this?

C#

private string IncrementVersion(string v)
{
    int[] n = Array.ConvertAll(v.Split(new char[] { '.' }), int.Parse);

    if (++n[3] > 9)
    {
        n[3] = 0;
        n[2]++;
    }
    if (n[2] > 9)
    {
        n[2] = 0;
        n[1]++;
    }
    if (n[1] > 9)
    {
        n[1] = 0;
        n[0]++;
    }

    return string.Join(".", Array.ConvertAll(n, s => s.ToString()));
}

Pikoh · Accepted Answer · 2014-07-17T04:20:00

Solution 3

Just another maybe simpler way,just to demonstrate there are literally thousands of ways to accomplish this.

C#

string p = pluginRegistrationEntity.PluginVersion.Replace(".", "");
int pp = int.Parse(p);
pp += 1;
p = pp.ToString().PadLeft(4, '0');
pluginRegistrationEntity.PluginVersion = p[0] + "." + p[1] + "." + p[2] + "." + p[3];

Posted 17-Jul-14 4:20am

Pikoh

Comments

Anshumaan Chaturvedi 17-Jul-14 10:37am

This one is far more easier and optimized. you guys rock.

How to increment a version number for a simple variable?

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