In my ultragrid I have a column hooked to an UltraDropDown to show a meaningful description of the underling value.

DataSource of the UltraDropDown:

Value -  Description
M_Key1 - "Description of Master Key 1"
M_Key2 - "Description of Master Key 2"
M_Key3 - "Description of Master Key 3"

DataSource of the Ultragrid (I report only the data in the UltraDropDown's column)

UddColumn's Data
M_Key1 ----> On screen UltraDropDown correctly show the text "Description of Master Key 1"
m_key2 -----> On screen UltraDropDown show the text "m_key2" instead of "Description of Master Key 2"

Why does the UltraDropDown show the correct description text only if the ValueMember have the exact same case?
How can I make the UltraDropDown case-insensitive, so that it will show the correct description even when the case of the ValueMember text are different?
I don't have control over the data underling the ultragrid because this data come from the DB, and I don't know the characters "case" that have been used for data entry.

Thanks,
Max