So I implemented the AutoCompleteExtender as I have done on a few other forms within our site.. but this recent one doesn't seem to work the same as the others.. which is weird seeing that I merely copied and pasted into the new form and changed the control names to fit the page.
What I have is a auto complete tied to a textbox that is used for "new" string value inserts. I set it up so that if you enter a string/value that already exists, it will show it obviously in the suggested popup that opens after 3 characters. So that you are not allowed to duplicate a value.
When I go to the page for the first time, I can enter 3 letters and it returns the list of existing values, IF you chose one that exists or enter one that does, when you go to submit it validates again(validation controls) it tells you that it already exists and disables the submission, so that no duplicates are submitted. This works great, NOW, if you go back to the page for a 2nd time, enter the same 3 letters, it will return the appropriate list, but if you pay attention you will notice that the list that was originally returned has been returned again, so now you have 2 sets of values returned, so in other words if your suggestions returned are say :
ABB
RABBIT
CRABBY
Then you return to the page and enter the same 3 letters, now the suggestions displayed is like so:
ABB
RABBIT
CRABBY
ABB
RABBIT
CRABBY
And if you do the search again and again, the suggestions list continues to grow in length, all with the same results, just seems to append the previous with the new.
No matter how many times I visit the page and search for the same thing, it should always just return the 3 suggestions(in this example) not a growing appended list of the same values.
How can this be resolved? I ask, because like I said, I am using the exact same code and logic(just different control names) and the other pages work no matter how many times you visit the page and search for the same thing.