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Asked: 2026-05-10T16:49:01+00:00

how do I pass additional information to the service method returning the collection of

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how do I pass additional information to the service method returning the collection of items? I’ll attempt to explain what I mean, I have 2 text boxes on a form, I need to fill out names, based of a specific account id in a database. so, I need to pass an integer to the getNamesForDropDown method. I couldn’t figure out what to do, so I did the wrong thing, and used the CompletionSetCount to actually pass the information I needed:

[System.Web.Services.WebMethod] [System.Web.Script.Services.ScriptMethod] public string[] getNamesForDropDown(string prefixText, int count)  {    String sql = 'Select fldName From idAccountReps Where idAccount = ' + count.ToString();    //... rest of the method removed, this should be enough code to understand    //... the evil wrongness I did.  }

in my front side aspx file, i set the CompletionSetCount based off the Account id the user is currently viewing on that page. 

<ajaxtk:AutoCompleteExtender      runat='server'      ID='AC1'      TargetControlID='txtAccName'     ServiceMethod='getNamesForDropDown'     ServicePath='AccountInfo.asmx'     MinimumPrefixLength='1'      EnableCaching='true'     CompletionSetCount='<%# Eval('idAccount') %>' />

So, that’s definitely a wrong way… what would be the right way?

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1 Answer

  1. azam has the right idea- but the signature of the autocomplete method can also have a third parameter:

    public string[] yourmethod(string prefixText, int count, string contextKey)

    you can Split up the results of the contextKey string using Azam’s method- but this way you do not have to worry about sanatizing the user’s input of the .Split()’s delimiter (:)

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