It still doesn't work correctly.  Here's my code:

 <form id="form1" runat="server">
    <div>
      <asp:ScriptManager ID="ScriptManager1" runat="server">
      </asp:ScriptManager>
      <ig:WebDropDown ID="WebDropDown1" runat="server" Width="200px"  TextField="Prod_Code" ValueField="Prod_ID"
        AutoSelectOnMatch="false"  EnableAutoFiltering="Client"
        OnSelectionChanged="WebDropDown1_SelectionChanged"
        DataSourceID="SqlDataSource1">
        <AutoPostBackFlags SelectionChanged="On" ValueChanged="Off" />
      </ig:WebDropDown>
   
      <asp:SqlDataSource ID="SqlDataSource1" runat="server"
        ConnectionString="<%$ ConnectionStrings:TravelerMakerGUIConnectionStringXXXX %>"
        SelectCommand="SELECT [Prod_Code], [Prod_ID] FROM [ProductCodes]">
      </asp:SqlDataSource>
   
    </div>
    </form>


The desired behavior is: A postback should only happen when:
1) an item is selected with the mouse (this works)
2) Only when the <enter> key is hit (not working) - postpacks also happen at other times.

If the list is a bunch of part numbers like:
abc-123
abc-124
abc-125
def-123
def-124

Now, using my code and part numbers from above, select abc-124 with the mouse.  a postback happens - this is correct.

Now, pretend that you made a mistake, and you really wanted one of the def-123 parts.  So, rather than use the mouse, you highlight the abc-123 item, and start typing 'D'.....     A postback happens.   I did not select a full partnumber, I just typed a 'D', and a postback happened.  This postback should not happen, I did not select a part number.   

A postback should only happen if an item is selected with the mouse, or if I hit the <enter> key. 

Thanks, Jim

Thank you very much!   Think we might see a solution in the next SR?

Hey everyone,

Indeed a fix has been implemented and you would be able to get it with the next SR.

Thank you for using the Infragistics forums!

Thank you very much Konstantin!  Sitting on pins and needles waiting for the next SR.  Is there an ETA?

Perhaps you can release a HotFix before the next Service-Release is released...

Hello, I'm Using Infragistics Latest Version, I have the same issue With Web DropDown on Value Changed with IE 8 ,

Kindly Let me what is Causing the issue

We've been using 11.1 which has this issue. I waited until Mid-November for ver 11.2. Downloaded the trial and setup a quick test site. Exact same problem still exists. My client was going to renew their subscription if it was fixed and get 11.2. Now they aren't going to.What a disappointment.

Unless a team member can tell me otherwise. Maybe there's a new property in 11.2 that I need to set to suppress the postbacks on every typed key?