At which line is the error thrown?
Also, you're instantiating a new object 'selectDialog' whereas you could directly use '_valueHelpDialog' instead. (This does not solve your issue, but it looks sloppy )
At which line is the error thrown?
Also, you're instantiating a new object 'selectDialog' whereas you could directly use '_valueHelpDialog' instead. (This does not solve your issue, but it looks sloppy )