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Additionally – if I set the AllowFreeText value to False, I get this exception intermittently:

“When AllowFreeText is set to False, the text can only be set to an empty string or to a matching ComboBoxItem, formatted using the current DisplayFormat.”

 Followed by several more:

“The text could not be validated.”

“The RawText is invalid.”

“Parameter name: value”

 “The current value of the cell cannot be handled by the associated cell editor.”

“The cell’s editor could not be activated.”

What is the cause of this please?

  

Imported from legacy forums. Posted by Nigel (had 399 views)