datagrid : how to show a list when the user edit a cell?

[JosepM]

Hi List, 

I'm thinking about how to solve a problem I have on make easy the entry of
data in the datagrid by the user. 

Example. I have a datagrid with four columns. 

1 Code 
2 Description 
3 Qty 
4 Price 

Now the user enters a code that will query the database and retrieves the
values, then I insert a row and they are placed in datagrid. But not
everyone has memorized the codes of all products, so I thought about
implementing some kind of drop-down list where the user press the first
letter of the code and appeared the products descriptions, to select it and
add the row. 

Has anyone tried something similar or experience which would be the best way
to solve? 


Salut, 
Josep
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