Hi,
I m trying to delete selected items from multiselect on the server side.
I m using the "Add script" function on the multi-select's store, but if i choose many rows. not all the rows are deleted, and i recieve this javascript error: 'newRecord' is null or not an object on the javascript code: if(!record.newRecord)

My relevant code:
.aspx file:



<ext:Panel ID="pnlSouth" Title="Edit Channels" Icon="NoteEdit" Collapsible="true" runat="server" Height="300" Collapsed="true" ButtonAlign=Left>


<TopBar>


<ext:Toolbar Hidden="true" ID="tbProperties" Height="30" runat="server">


<Items>


<ext:ToolbarTextItem ID="LblForCbox" runat="server" Text="Choose a property to edit: "></ext:ToolbarTextItem>


<ext:ComboBox ID="TypeCBox" runat="server" AllowBlank="false">


<Items>


<ext:ListItem Text="CTIDs" Value="CTID" />


<ext:ListItem Text="Vars" Value="VAR" />


<ext:ListItem Text="Countries" Value="Country" />


<ext:ListItem Text="Machines' names" Value="MachineName" />


<ext:ListItem Text="Test Groups" Value="TestGroup" />


</Items>


<SelectedItem Value="CTID" />


</ext:ComboBox>


<ext:ToolbarSeparator ID="Seperator" runat="server"></ext:ToolbarSeparator>


<ext:ToolbarButton ID="SearchButton" runat="server" Text="Go!" Icon="Magnifier" >


<AjaxEvents>


<Click OnEvent="TypeChoosed" />


</AjaxEvents>


</ext:ToolbarButton>


</Items>


</ext:Toolbar>


</TopBar>


<Body>


<ext:MultiSelect Hidden="true" StoreID="StoreMultiSelectItems" DisplayField="Text" ValueField="value" ID="ItemsList" runat="server" 


Width="440" Height="240" AllowDuplicates="false" KeepSelectionOnClick="WithCtrlKey">


<TopBar >


<ext:Toolbar Hidden="true" ID="TbEditProperties" runat="server" Height="30">


<items>


<ext:toolbartextitem id="lbladditem" runat="server" ></ext:toolbartextitem>


<ext:combobox id="CboxCountries" ListWidth="160" Width="160" runat="server" Hidden="true" >


</ext:combobox>


<ext:combobox id="CboxTestGroups" ListWidth="145 " Width="145" runat="server" Hidden="true" allowblank="false">


</ext:combobox>


<ext:textfield id="Machinetext" Hidden="true" AllowBlank="false" runat="server" width="150"></ext:textfield>


<ext:textfield id="VarText" Hidden="true" AllowBlank="false" runat="server" width="208"></ext:textfield>


<ext:textfield id="Ctidtext" AllowBlank="false" Width="200" Regex="^(C|c)(T|t)[0-9]+^" RegexText="CTID is not valid!!!" Hidden="true" runat="server" ></ext:textfield> 


<ext:ToolbarFill/>


<ext:ToolbarSeparator ID="ToolbarSeparator1" runat="server"></ext:ToolbarSeparator> 


<ext:toolbarbutton id="addbutton" runat="server" text="Add" icon="add" >


<ajaxevents>


<click onevent="AddItem" >


<ExtraParams> 


<ext:Parameter Name="multiSelectItems" Value="Ext.encode(#{ItemsList}.getValues(true))" Mode="Raw" /> 


</ExtraParams> 


</click>


</ajaxevents>


</ext:toolbarbutton> 


</items>


</ext:Toolbar>


</TopBar>








</ext:MultiSelect>


</Body>


<Buttons>


<ext:Button ID="btnSave" Disabled="true" runat="server" Text="Save" Icon="Disk">


<AjaxEvents>


<Click OnEvent="btnSave_Click">


<ExtraParams> 


<ext:Parameter Name="multiSelectItems" Value="Ext.encode(#{ItemsList}.getValues(true))" Mode="Raw" /> 


</ExtraParams> 


</Click>


</AjaxEvents>


</ext:Button>


<ext:Button ID="btnDelete" Disabled="true" runat="server"


Text="Delete" Icon="Delete" >


<AjaxEvents>


<Click OnEvent="btnDelete_Click">


<ExtraParams>


<ext:Parameter Name="SelectedItems" Value="#{ItemsList}.getIndexes('Text')" Mode="Raw" />


</ExtraParams>


</Click>


</AjaxEvents>


</ext:Button>


<ext:Button ID="btnCancel" Disabled="true" runat="server" Text="Cancel" Icon="Cancel">


<AjaxEvents>


<Click OnEvent="BtnCancel_Click"></Click>


</AjaxEvents>


</ext:Button> 





</Buttons>


</ext:Panel>
my code behind:



protected void btnDelete_Click(object sender, AjaxEventArgs e)


{


string selectedItemsIndexes = e.ExtraParams["SelectedItems"];


if (String.IsNullOrEmpty(selectedItemsIndexes))


{//There is nothing to delete.


Ext.Msg.Alert("Channels - Deleting Denied", "No item was selected!").Show();


return;


}


string[] arrItemIndexes = selectedItemsIndexes.Split(',');


foreach (string index in arrItemIndexes)


{//Delete all the selected items.


StoreMultiSelectItems.AddScript("{0}.remove({0}.getAt({1}));", StoreMultiSelectItems.ClientID, Convert.ToInt32(index)); 


}





}
Thanks!!!!
Yossi.