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Copy items to tree nodes.

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Berkman
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Berkman asked on 07 Aug 2013, 08:54 AM
Hi

I am using a radlistbox that contains few items populated from DB. The items can be checked and how to copy them to a radtreeview using the server side code. Any samples available?
Thanks for your replies
Berk.

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Shinu
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answered on 07 Aug 2013, 11:04 AM
Hi Berk,

Please have a look at the following code snippet that I have tried which works fine at my end.

ASPX:
<telerik:RadListBox ID="RadListBox1" runat="server" CheckBoxes="true" DataTextField="Text"
    DataValueField="Value" OnLoad="RadListBox1_Load">
</telerik:RadListBox>
<telerik:RadTreeView ID="testtree" runat="server">
    <Nodes>
        <telerik:RadTreeNode runat="server" Text="Node 1">
        </telerik:RadTreeNode>
    </Nodes>
</telerik:RadTreeView>
<br />
<telerik:RadButton ID="RadButton1" runat="server" Text="Copy" OnClick="RadButton1_Click">
</telerik:RadButton>

C#:
protected void RadButton1_Click(object sender, EventArgs e)
{
    foreach (RadListBoxItem item in RadListBox1.CheckedItems)
    {
        RadTreeNode node1 = new RadTreeNode(item.Text, item.Value);
        testtree.Nodes.Add(node1);
    }
}

Thanks,
Shinu.
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Berkman
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answered on 06 Sep 2013, 03:11 AM
It worked. Sorry for the late response. Does telerik ajax suite has any controls similar to radpdfviewer in wpf? I am populating pdf file names in a radlistbox which are actually uploaded user files stored inside an upload folder in my project. On clicking each filename i want to open the pdf. This is my requirement.
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Shinu
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answered on 06 Sep 2013, 08:10 AM
Hi Berkman,

The Telerik RadControls for ASP.NET AJAX does not contain any specific controls to view PDF files. One option is you can use the RadWindow to view PDF files. Please have a look at the sample code I tried which works fine at my end. Attach the openPdf javascript method to the OnClientItemDoubleClicked event of the RadListBox.

ASPX:
<span class="style1">Double click on file name to view contents</span><br />
<telerik:RadWindowManager ID="RadWindowManager" runat="server" Width="400px" Height="600px">
</telerik:RadWindowManager>

JavaScript:
<script type="text/javascript">
    function openPdf(sender, args) {
        var filelocation = "UploadedPDFFiles/" + args.get_item().get_text();
        radopen(filelocation, "");
    }
</script>

In the above code all the PDF files are stored in a folder called UploadedPDFFiles which is inside the project directory.

Hope this helps,
Shinu.
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Berkman
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answered on 06 Sep 2013, 05:02 PM
Excellent solution since users can double click the file name to open it in a window with all options such as print, zoom, download etc. and close it; similar to how we do often. Thanks a lot shinu.
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