1. Return a string representing the current object
Reason: ToString() means to return the string of the current object
2. Failed to load the file or assembly "Utility" or one of its dependencies, the system cannot find the specified file
Reason: fewer references are added, and the key and value in the configuration file are incorrectly written
3. The object reference is not set to the instance of the object
Reason: The reflection + configuration file statement or the key and value in the configuration file are wrong, and there must be consistency.
4. Failed to find the metadata file
Reason: Debug file is not automatically generated
Solution 1: Regenerate the solution
Solution 2: Change the generation order of the project from the dependencies.
For details, please refer to: https://mp.csdn.net/editor/html/109775609
5.CS0019: Operators cannot be applied to operands of type "int" and "string"
Solution: int.Parse is to convert String to int
The correct format is:
Reference blog: https://www.cnblogs.com/itjeff/p/9145027.html