After the code generated by C# event is deleted, an error will be reported! Or, if the name of the control changes enough, it will report an error of 1. What should I do? How to correct it? Thank you

After the code generated by C# event is deleted, an error will be reported! Or, if the name of the control changes enough, it will report an error of 1. What should I do? How to correct it? Thank you very much ~ It's actually quite simple. If you double-click the error list, you will find the wrong line of code. Just delete it.

Double-clicking the button will not only generate an event code in the cs file, but also create an event delegate in Designer.cs (designer). You deleted the event code, but not the delegate in the designer, so you reported an error.

The correct deletion method: open the button properties-click the event button-find the corresponding event-delete the reference to the third picture.

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