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RadListBox Events

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ListBox
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Ali Kitabi
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Ali Kitabi asked on 11 May 2010, 11:03 PM
Hi,

I am trying to register events on the RadListBox but whatever I do the event never fires for OnInserted, OnInserting, OnTransferred and OnTransferring. The only event that does get fired is the OnDeleted event. I have tried to register events in the markup and in code-behind to vain.

Please help me out with this.

Regards,

Ali

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Yana
Telerik team
answered on 12 May 2010, 07:27 AM
Hello Ali Kitabi,

Please check our online example demonstrating server-side events of RadListBox here, note that AllowPostBackOnTransfer property for the first listbox should be set to "true".

Sincerely yours,
Yana
the Telerik team

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Ali Kitabi
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answered on 12 May 2010, 06:08 PM
Hi Yana,

I was trying this example only but it was not working for some unforeseen reason. However I do have found a solution for the problem, for those who might need it at some point.

Markup:

 

<telerik:RadScriptManager ID="RadScriptManager1" runat="server">  
</telerik:RadScriptManager> 
<telerik:RadListBox ID="RadListBox1" runat="server" TransferToID="RadListBox2" AllowTransfer="True" AllowTransferDuplicates="True" AutoPostBack="true" > 
</telerik:RadListBox> 
<telerik:RadListBox ID="RadListBox2" runat="server" AutoPostBack="true" > 
</telerik:RadListBox> 

Code Behind:

        protected override void OnInit(EventArgs e)  
        {  
            base.OnInit(e);  
            RadListBox1.AutoPostBackOnTransfer = true;  
            RadListBox1.Transferring += new RadListBoxTransferringEventHandler(RadListBox1_Transferring);  
            RadListBox1.Transferred += new RadListBoxTransferredEventHandler(RadListBox1_Transferred);  
            RadListBox2.Inserted += new RadListBoxEventHandler(RadListBox2_Inserted);  
            RadListBox2.Transferring += new RadListBoxTransferringEventHandler(RadListBox2_Transferring);  
            RadListBox2.Transferred += new RadListBoxTransferredEventHandler(RadListBox2_Transferred);  
        }  
 
        void RadListBox2_Inserted(object sender, RadListBoxEventArgs e)  
        {  
              
        }  
 
        void RadListBox2_Transferred(object sender, RadListBoxTransferredEventArgs e)  
        {  
              
        }  
 
        void RadListBox2_Transferring(object sender, RadListBoxTransferringEventArgs e)  
        {  
              
        }  
 
        void RadListBox1_Transferred(object sender, RadListBoxTransferredEventArgs e)  
        {  
              
        }  
 
        void RadListBox1_Transferring(object sender, RadListBoxTransferringEventArgs e)  
        {  
              
        }  
 
        protected void Page_Load(object sender, EventArgs e)  
        {  
              
            if (!IsPostBack)  
            {  
                RadListBox1.Items.Add(new RadListBoxItem("1""1"));  
                RadListBox1.Items.Add(new RadListBoxItem("2""2"));  
                RadListBox1.Items.Add(new RadListBoxItem("3""3"));  
                RadListBox1.Items.Add(new RadListBoxItem("4""4"));  
            }  
        } 

I hope this helps someone.

Regards,

Ali
Shipcom Wireless. INC.

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Ali Kitabi
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Yana
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Ali Kitabi
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