PRB: Error Occurs When Using DynamicCurrentControl Property

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Steps to Reproduce Behavior

1. Open or switch to Microsoft Visual FoxPro.
2. Open a new form and add a grid to it.
3. Add the Employee.dbf table, located in the \Samples\Data subdirectory of Visual FoxPro, to the data environment of the form.
4. In the form's Property window, set the grid's ColumnCount property to 1, and set the Bound property of Column1 to false (.F.).
5. Add a text frame to the Column (this will be Text2 as there will be a text frame called Text1 in the Column by default).
6. In the form's Property window, set the Value property of Text2 to Test.
7. Set the ControlSource property of Text1 to Employee.emp_id.
8. Use the Expression Builder to create the following statement for the DynamicCurrentControl property of Column1:

      IIF((LEFT(ALLTRIM(EMPLOYEE.EMP_ID),1) = "1"), "TEXT1", "TEXT2")

9. Close the Expression Builder. Note that it adds an equal sign (=) to the beginning of the statement.
10. Save and run the Form. Note that the error "Expression is invalid. Use a valid expression for DynamicCurrentControl property" appears.
11. Remove the equal sign added by the Expression Builder, and run the form. Note that if now functions as expected.