Variable '<variablename>' is used before it has been assigned a value (Visual Basic Error)

A variable is being used before it has been assigned a value, resulting in a NullReferenceException.

Error ID: BC42109

To correct this error

• Make sure the variable has been assigned a value.

See Also

Concepts

Variable Declaration in Visual Basic

Reference

Troubleshooting Exceptions: System.NullReferenceException