VS2017 Enterprise Edition, var do not recognize? How to upgrade C-sharp?
No problem generating DLL.
VS2017 Enterprise Edition, var do not recognize? How to upgrade C-sharp?
No problem generating DLL.
(1) right-click the current project, click "Properties]
(2) Click" generate "in the left Tab, and click" Advanced "in the lower right corner of the interface.
(3) modify the language version
requires C-sharp3 or higher version
right-click the project, and then select" Properties ". In the pop-up Properties dialog box, In the 'applications' tab, change the. NET Framework version of the current project to version 3.0 or above.
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