ListBox Item moved when copy expected

[farzad]

Hi,

I'm using RadControls for ASP.NET AJAX Q3 2012.
I have two list boxes which I want to transfer item between them bidirectional. everything works fine except when I use AllowTransferOnDoubleClick="True". In this case although I set TransferMode="Copy", the items moved when they exist in other list box.

<telerik:RadListBox runat="server" DataKeyField="ClassID" ID="RadListBox2" DataSourceID="SqlDataSource1" DataTextField="ClassName"
 TransferToID="RadListBox1" Style="top: 1px; right: 0px; width: 191px;"  AllowTransferOnDoubleClick="True" TransferMode="Copy"
 DataValueField="ClassID" OnDataBound="RadListBox2_DataBound"><ButtonSettings TransferButtons="All"></ButtonSettings>
</telerik:RadListBox>
<telerik:RadListBox ID="RadListBox1" runat="server" TransferMode="Copy" AllowTransfer="True" AppendDataBoundItems="True" DataKeyField="ClassID"
 DataSourceID="SqlDataSource2"  DataTextField="ClassName" TransferToID="RadListBox2" Culture="fa-IR" Style="top: 0px;right: 9px; width: 191px;"
 DataValueField="ClassID" AllowTransferOnDoubleClick="True" EnableMarkMatches="True"><ButtonSettings TransferButtons="All"></ButtonSettings>
</telerik:RadListBox>

Where is the problem?!

Thanks for your concern

[Kate]

Hello,

I tested the scenario that you describe with the following code but the items transfer as expected:

<telerik:RadListBox runat="server" ID="RadListBox1" Height="200px" Width="200px"
       AllowTransfer="true" AllowTransferOnDoubleClick="true" TransferMode="Copy" TransferToID="RadListBox2">
       <Items>
           <telerik:RadListBoxItem Text="Argentina"></telerik:RadListBoxItem>
           <telerik:RadListBoxItem Text="Australia"></telerik:RadListBoxItem>
           <telerik:RadListBoxItem Text="Brazil"></telerik:RadListBoxItem>
           <telerik:RadListBoxItem Text="Canada"></telerik:RadListBoxItem>
           <telerik:RadListBoxItem Text="Chile"></telerik:RadListBoxItem>
           <telerik:RadListBoxItem Text="China"></telerik:RadListBoxItem>
           <telerik:RadListBoxItem Text="Egypt"></telerik:RadListBoxItem>
           <telerik:RadListBoxItem Text="England"></telerik:RadListBoxItem>
           <telerik:RadListBoxItem Text="France"></telerik:RadListBoxItem>
           <telerik:RadListBoxItem Text="Germany"></telerik:RadListBoxItem>
           <telerik:RadListBoxItem Text="India"></telerik:RadListBoxItem>
           <telerik:RadListBoxItem Text="Indonesia"></telerik:RadListBoxItem>
           <telerik:RadListBoxItem Text="Kenya"></telerik:RadListBoxItem>
           <telerik:RadListBoxItem Text="Mexico"></telerik:RadListBoxItem>
           <telerik:RadListBoxItem Text="New Zealand"></telerik:RadListBoxItem>
           <telerik:RadListBoxItem Text="South Africa"></telerik:RadListBoxItem>
           <telerik:RadListBoxItem Text="USA"></telerik:RadListBoxItem>
       </Items>
   </telerik:RadListBox>
   <telerik:RadListBox runat="server" TransferMode="Copy" AllowTransferOnDoubleClick="true"
       AllowTransfer="true" ID="RadListBox2" Height="200px" Width="200px">
   </telerik:RadListBox>

Can you give it a try and let me know how it goes from your side?

Greetings,
Kate
the Telerik team

[farzad]

Hi, Thanks for your answer.

your code works fine on my side too. I found the problem with my code, and I think it is some kind of bug. if you set TransferToID="RadListBox" on both list box it will cause this error. but by removing this attribute from one side it will be fixed.

I think it should not be like this and user should assign the destination listbox id on both item.

Anyway thanks for your help.

[Kate]

Hi,

You are correct that the transfer functionality should be available for both listboxes. It is actually available, but you will need to use the buttons on the left side of the left listbox when transferring items from left to right. I hope this brings more light on the scenario.

Greetings,
Kate
the Telerik team