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The variable '<variable name>' is either undeclared or was never assigned

  • Article

The source code has a reference to a variable, such as Button1,that was never declared or assigned. If it was not assigned, you will get a warning, not an error.

To correct this error

  • Declare or assign the variable specified in the error message.

See Also

Concepts

Assignment Statements

Reference

Programming Concepts Compared in Different Languages with Code Examples