如何获取版本属性? [英] How do I getting version attribute ?

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问题描述

请让我知道为什么在获取版本时引发NullReferenceException

  private   static   void  showBanner()
{
string text =
@
_title_:_description_ Ver._version_

_copyright_
此_title_根据ISC许可证的条款分发。
(http://www.isc.org/downloads/software-support-policy/isc-license/)
;
string title = getAttribute< AssemblyTitleAttribute>()。Title;
string description = getAttribute< AssemblyDescriptionAttribute>()。
string version = getAttribute< AssemblyVersionAttribute>()。版本;
string copyright = getAttribute< AssemblyCopyrightAttribute>()。版权;
text = text.Replace( _ title _,title)
.Replace ( _ description _,description)
.Replace( _ version _,version)
.Replace( _ copyright _,copyright);
Console.Error.WriteLine(text);
}

private static Tattribute getAttribute< Tattribute>() 其中 Tattribute:Attribute
{
Assembly assembly = Assembly.GetExecutingAssembly();
return (Tattribute)Attribute.GetCustomAttribute( assembly typeof运算(Tattribute));
}





我的尝试:



两者都是相同的结果

 [ assembly :AssemblyVersion(  1.0。*)] 
[ assembly :AssemblyVersion( 1.0.0.0)]



这段代码也一样,所以我认为这似乎不是模板问题。

  string  version =((AssemblyVersionAttribute)Attribute.GetCustomAttribute(Assembly.GetExecutingAssembly(), typeof (AssemblyVersionAttribute)))。版本; 



我可以通过此代码获得版本。

  string  version = Assembly.GetExecutingAssembly( ).GetName()。Version.ToString(); 

解决方案

  string  version = Assembly.GetExecutingAssembly()。GetName()。Version.ToString(); 





https:// msdn.microsoft.com/en-us/library/system.reflection.assemblyversionattribute.aspx

>要获取已加载的程序集的名称,请在程序集上调用GetName以获取AssemblyName,然后获取Version属性。


please let me know why NullReferenceException is raised at getting version

        private static void showBanner()
        {
            string text =
@"
_title_ : _description_ Ver._version_

_copyright_
This ""_title_"" is distributed under terms of the ISC License.
( http://www.isc.org/downloads/software-support-policy/isc-license/ )
";
            string title = getAttribute<AssemblyTitleAttribute>().Title;
            string description = getAttribute<AssemblyDescriptionAttribute>().Description;
            string version = getAttribute<AssemblyVersionAttribute>().Version;
            string copyright = getAttribute<AssemblyCopyrightAttribute>().Copyright;
            text = text.Replace("_title_", title)
                       .Replace("_description_", description)
                       .Replace("_version_", version)
                       .Replace("_copyright_", copyright);
            Console.Error.WriteLine(text);
        }

        private static Tattribute getAttribute<Tattribute>() where Tattribute : Attribute
        {
            Assembly assembly = Assembly.GetExecutingAssembly();
            return (Tattribute)Attribute.GetCustomAttribute(assembly, typeof(Tattribute));
        }



What I have tried:

both were same result

[assembly: AssemblyVersion("1.0.*")]
[assembly: AssemblyVersion("1.0.0.0")]


this code is same too, so I think that does not seem a Template problem.

string version = ((AssemblyVersionAttribute)Attribute.GetCustomAttribute(Assembly.GetExecutingAssembly(), typeof(AssemblyVersionAttribute))).Version;


I can get version by this code.

string version = Assembly.GetExecutingAssembly().GetName().Version.ToString();

解决方案

string version = Assembly.GetExecutingAssembly().GetName().Version.ToString();



https://msdn.microsoft.com/en-us/library/system.reflection.assemblyversionattribute.aspx:
> To get the name of an assembly you have loaded, call GetName on the assembly to get an AssemblyName, and then get the Version property.


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