AJAX AutoComplete Extender Not working in ModalPopUpExtender

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Hi friends,

AJAX AutoComplete Extender Not working in ModalPopUpExtender

The Page method is returning the values but AutoComplete suggestion is not showing.

XML

<asp:TextBox runat="server" ID="txtCity" Width="200px" />
                                                       <Mp:AutoCompleteExtender ID="AutoCompleteExtender1" runat="server" TargetControlID="txtCity"
                                                           MinimumPrefixLength="1" EnableCaching="true" CompletionSetCount="1" CompletionInterval="1000"
                                                           ServiceMethod="SearchCities">
                                                       </Mp:AutoCompleteExtender>

Code behind code :

XML

[System.Web.Script.Services.ScriptMethod()]
[System.Web.Services.WebMethod]
public static List<string> SearchCities(string prefixText, int count)
{
    Util utility = new Util();
    List<string> CityList = new List<string>();
    CityList = utility.GetCities(prefixText);
    return CityList;
}

Posted 16-Oct-13 22:55pm

Rockstar_

Updated 1-Mar-17 22:50pm

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Smart_Mohit · Answer 1 · 2013-10-16T23:21:00

try using the UpdatePanel
place the TextBox or modal PopUp inside it and set the trigger properties

XML

<asp:updatepanel id="UP1" runat="server" updatemode="Conditional" childrenastriggers="false" xmlns:asp="#unknown">
<triggers>
<asp:asyncpostbacktrigger controlid="txtcity"" eventname="textchange" /></triggers>

pandeypavankumar · Answer 2 · 2017-03-01T22:39:00

Hi All
Create a java script function as mentioned below

function PopupShown(sender, args) {
         sender._popupBehavior._element.style.zIndex = 99999999;
     }

use property

OnClientShown="PopupShown" as shown below

<sgg:AutoCompleteExtender ServiceMethod="SearchExpenseHead" MinimumPrefixLength="3"
CompletionListCssClass="AutoCompleteFlyout" CompletionListHighlightedItemCssClass="AutoCompleteFlyoutHilightedItem"
CompletionListItemCssClass="AutoCompleteFlyoutItem" CompletionInterval="10" EnableCaching="false" CompletionSetCount="4" TargetControlID="txtExpenseHead" ID="AutoCompleteExtender1" OnClientShown="PopupShown" runat="server" FirstRowSelected="false"></sgg:AutoCompleteExtender>

It must work
thanks
pavan pandey

Graeme_Grant · Answer 3 · 2017-03-01T22:50:00

Just looking at your code, I can see redundant code and a simplification. You don't need to initialize the list like that as the list will be automatically filled by the Function's returned values.

So this:

C#

List<string> CityList = new List<string>();
CityList = utility.GetCities(prefixText);
return CityList;

becomes:

C#

var CityList = utility.GetCities(prefixText);
return CityList;

and can be simplified further:

C#

return utility.GetCities(prefixText);

AJAX AutoComplete Extender Not working in ModalPopUpExtender

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