When any key character is pressed and the current cell is on a ComboBox cell, the typed value is displayed in the ComboBox with Selection. This causes that character to erased automatically when next character key is pressed.
Reproduce Steps:
1. Run the Sample
2. Keep the current cell in the OrderId t(ComboBox column)
3. Try to type any two digit number in it.
Expected behavior : Both digits in the number should be typed properly.
Observed behavior: First digit erazed automatically when the second digit is typed