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How to use AJAX toolkit script manager with user controls

Posted on 2009-06-29
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Last Modified: 2012-05-07
I am getting the error "System.InvalidOperationException: Only one instance of a ScriptManager can be added to the page." I know the error is because I have toolkitscriptmanager on the page, but i need it there. I don't know where the other declaration for a scriptmanager is??

<%@ Control Language="C#" AutoEventWireup="true" ClassName="uc_ORItem" CodeFile="uc_ORItem.ascx.cs"

    Inherits="uc_ORItem" %>

<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %>

<style type="text/css">

    td

    {

        font-family: Tahoma;

        font-size: 12px;

    }

    .textbox

    {

        font-family: Tahoma;

        font-size: 12px;

    }

</style>

<table cellpadding="0" cellspacing="0" border="0">

    <tr>

        <td valign="middle">

            <cc1:ToolkitScriptManager EnableScriptLocalization="true" ID="ToolkitScriptManager1" runat="server">

            </cc1:ToolkitScriptManager>

            SubSet:<asp:TextBox ID="tbSubset" CssClass="textbox" runat="server" TextMode="SingleLine"

                AutoPostBack="false"></asp:TextBox>

            <!--<asp:HiddenField ID="hdSubSet" runat="server" />-->

            <asp:HiddenField ID="hdSubSetTime" runat="server" />

            <cc1:AutoCompleteExtender ID="AutoCompleteExtender1" runat="server" TargetControlID="tbSubset"

                BehaviorID="AutoCompleteEx" ServicePath="Web_Services/LookupSubSet.asmx" ServiceMethod="Get_Subset_List"

                UseContextKey="true" ContextKey="SubSet" MinimumPrefixLength="1" CompletionInterval="1000"

                EnableCaching="true" CompletionSetCount="20" DelimiterCharacters=";, :" OnClientItemSelected="itemSelected"

                CompletionListCssClass="completion_list">

            </cc1:AutoCompleteExtender>

            <%-- Prevent enter in textbox from causing the collapsible panel from operating --%>
 

            <script type="text/javascript">

            // Work around browser behavior of "auto-submitting" simple forms

            var frm = document.getElementById("aspnetForm");
 

            if (frm) 

            {

                frm.onsubmit = function() { return false; };

            }

                                            

            function itemSelected(source, eventArgs)

            {

                //alert("key: " + eventArgs.get_text() + "  value: " + eventArgs.get_value());

                //document.all["hdSubset"].value = eventArgs.get_text();

                document.all["hdSubSetTime"].value = eventArgs.get_value();

                //__doPostBack('hidButton','AutoCompleteItemSelected'); 

                document.forms[0].hidButton.click();

            }

            </script>
 

            <input type="submit" id="hidButton" style="display: none;" />

            &nbsp; Set:<asp:TextBox ID="tbSet" runat="server" CssClass="textbox"></asp:TextBox>

            &nbsp;Quantity:<asp:TextBox ID="tbQuantity2" runat="server" CssClass="textbox" AutoPostBack="true"

                Width="50px"></asp:TextBox>

            &nbsp;MEPRS:<asp:TextBox ID="tbTotal2" runat="server" CssClass="textbox" Width="50px"></asp:TextBox>

            <asp:ImageButton ID="ibtDeleteItems" runat="server" ImageUrl="~/Images/delete.gif"

                AlternateText="Delete Item" OnClick="ibtDeleted_Clicked" />

        </td>

    </tr>

</table>

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Question by:mjoseph23
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Accepted Solution

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mjoseph23 earned 0 total points
ID: 24739413
Found the scriptmanager on the page creating the control. Removed from there.
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