autocomplete textbox wich only accepts collection string text in c#.net window application

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i have a textbox which should only accepts charecters that are in collection string of
autocomplete like this

AutoCompleteStringCollection collection={abhi,jeet,pratap};

so when i type any charecter except a,j,p (because these r first char in string)
it will not type in textbox.

and if 'a' pressed then next chracter would we only 'b' because 'abhi' string have b after a
and it not accept any char then 'b'

Posted 20-Nov-13 23:10pm

Abhijeet pratap singh

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Comments

Orcun Iyigun 21-Nov-13 5:22am

Why would you want that? Why do you want to limit the user and how do you think it will effect the user-friendliness?

Abhijeet pratap singh 21-Nov-13 5:36am

by this user cant enter any string except the collection string
and it will help to prevent the wrong entries

Abhijeet pratap singh 21-Nov-13 5:39am

because i have enter some item which is in collection string
and now on another winform i have to accept only the items which is in collection string only
thats user cant create mistake to enter the items name

thanx for reply

murkalkiran 21-Nov-13 5:27am

I am not getting what you want? u want just AutoComplete?

Abhijeet pratap singh 21-Nov-13 5:34am

no i have already applied autocomplete
the next i want is if AutoCompleteStringCollection have three values which are
1- abhi
2- jeet
3- pratap

then when i press any charecter except (a , j , p) it will not accept because collection string have only (a , j ,p) as starting char.

and after this if i press 'a' then it only accepts b after a because abhi have b after a

thanx for revert

2 solutions

Solution 1

Well here is my suggestion links:
Three Autocomplete implementations compared[^]
Efficient auto-complete with a ternary search tree[^]
How to create an efficient auto-complete?[^]

I think pick the implementation which suits your need instead of blocking user's key press.

Good luck,
OI

Posted 20-Nov-13 23:33pm

Orcun Iyigun

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Abhijeet pratap singh · Accepted Answer · 2013-11-21T18:44:00

Solution 2

i got it using editable combobox

Posted 21-Nov-13 18:44pm

Abhijeet pratap singh