The resource name '<file>' is not a valid identifier
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The resource name '<file>' is not a valid identifier 

This warning occurs if the resource name is not a valid identifier (for example, it contains a space), and strongly typed resource generation is turned on for the file. This is a warning instead of an error because the strongly typed resource name will be changed to a valid name (for example, "a b" will be changed to "a_b"), but the resource name will remain "a b."

To correct this error

  • You should first change the name of the resource to a valid identifier, if possible. If that is not a valid option, disable strongly typed resource code generation for this .resx file. To do this, select the .resx file in Solution Explorer and clear the Custom Tool property.

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