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DhtmlxCombo Filtering mode not to allow Invalid input filter value?

Hi, Need help please - I have to get the filtering to work & not allow incorrect input!

The DhtmlxCombo Filtering mode is great but the readonly protected for incorrect value.

How do I not allow for incorrect value to be allowed.

eg. Filter option values are 1 & 2
when filter 3 in input box it allows to keep the value, meaning user can insert incorrect value!

I want the filter but do not want the user to insert any value that is invalid in the drop list!
The drop down should not allow it - maybe when leave check's if correct value!


Please help!

>>meaning user can insert incorrect value!
It may be useful in some use-cases, so can't be counted as incorrect behavior. 

>>The drop down should not allow it - maybe when leave check's if correct value!
by adding next code, you will add check , which will block incorrect input in combo

combo.attachEvent("onKeyPressed",function(){
  var val=combo.getComboText();
  val=val.substr(0,val.length-1);
  window.setTimeout(function(){
  if (!combo.filterAny){
  combo.setComboText(val);
  combo.filterSelf();
  }
  },1);
})

(Apologies I think I replied by submiting a new question)

Hi, Thanks a million for the assistance.

When I add the code to the dhtmlxcombo.js file then my dhtmlcombos don't appear on my page. It's all missing.

combo.attachEvent("onKeyPressed",function(){
  var val=combo.getComboText();
  val=val.substr(0,val.length-1);
  window.setTimeout(function(){
  if (!combo.filterAny){
  combo.setComboText(val);
  combo.filterSelf();
  }
  },1);
})

2. Secondly on the filtering, when I filter an a value and is returned to the input box - Then I can't use the drop down.

It is like the dropdown list is disabled, i have to clear the filter selection then only will the ldrop list be available.

Please Help, Regards

Please, see the answer in the following post:
index.php?s=normal&q=5649&a=8383