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Version Q2 2011 released 07/12/2011
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FileExplorer / First Look

Browse to an image and double click to preview.
  
  
  
  
  
  
  
  
  
  
  
Max file size allowed:
200.00 KB
File extensions allowed:
*.jpg, *.jpeg, *.gif, *.png
Preview
Properties
Choose explorer controls:
Set control behavior:

  • RadFileExplorer

    Main features:

    • A single control, integrated in Telerik.Web.UI - ready to drag and drop on the page
    • Directory load on demand loading using ASP.NET 2.0 AJAX Callback mechanism
    • Clientside and server events for file operations
    • Uses the FileBrowserContentProvider abstraction of RadEditor for hooking to any underlying file system, such as OS, database, MOSS SharePoint, MCMS
    • Sorting of files and folders
    • Context menus
    • Ability to delete and rename files and folders
    • Ability to create new folders
    • Ability to enable paging for the grid if the folders contain a large number of items (e.g. more than 200)

Source Code

C# VB.NET
Show code in new window Demo isolation steps
  • <%@ Page Language="vb" AutoEventWireup="true" CodeFile="DefaultVB.aspx.vb" Inherits="Telerik.Web.Examples.FileExplorer.Default.DefaultVB" %>

    <%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %>
    <%@ Register TagPrefix="qsf" Namespace="Telerik.QuickStart" %>
    <%@ Register TagPrefix="qsf" TagName="Header" Src="~/Common/Header.ascx" %>
    <%@ Register TagPrefix="qsf" TagName="HeadTag" Src="~/Common/HeadTag.ascx" %>
    <%@ Register TagPrefix="qsf" TagName="Footer" Src="~/Common/Footer.ascx" %>
    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head runat="server">
        <qsf:HeadTag runat="server" ID="Headtag1"></qsf:HeadTag>
        <style type="text/css">
            h5
            {
                margin: 3px;
                margin-top: 6px;
            }
        </style>
        <telerik:RadCodeBlock ID="codeBlock1" runat="server">

            <script type="text/javascript">
                //<![CDATA[
                function OnClientItemSelected(sender, args)
                {
                    var pvwImage = $get("<%= pvwImage.ClientID %>");
                    var imageSrc = args.get_path();

                    if (imageSrc.match(/\.(gif|jpg)$/gi))
                    {
                        pvwImage.src = imageSrc;
                        pvwImage.style.display = "";
                        pvwImage.alt = imageSrc.substring(imageSrc.lastIndexOf('/') + 1);
                    }
                    else
                    {
                        pvwImage.src = imageSrc;
                        pvwImage.style.display = "none";
                        pvwImage.alt = imageSrc.substring(imageSrc.lastIndexOf('/') + 1);
                    }
                }
                //]]>
            </script>

        </telerik:RadCodeBlock>
    </head>
    <body class="BODY">
        <form id="form1" runat="server">
        <qsf:Header ID="Header1" runat="server" NavigationLanguage="VB" />
        <telerik:RadScriptManager ID="RadScriptManager1" runat="Server">
        </telerik:RadScriptManager>
        <telerik:RadFormDecorator runat="server" ID="RadFormDecorator1" DecoratedControls="All" />
        <table cellspacing="4">
            <tr>
                <td rowspan="2" style="vertical-align: top;">
                    Browse to an image and double click to preview.
                    <telerik:RadFileExplorer runat="server" ID="FileExplorer1" Width="520px" Height="520px"
                        OnClientItemSelected="OnClientItemSelected">
                        <Configuration ViewPaths="~/FileExplorer/Examples/Default/Images" UploadPaths="~/FileExplorer/Examples/Default/Images"
                            DeletePaths="~/FileExplorer/Examples/Default/Images" />
                    </telerik:RadFileExplorer>
                </td>
                <td>
                    <fieldset style="width: 230px; height: 220px">
                        <legend>Preview</legend>
                        <img id="pvwImage" src="~/Common/Img/qsfConfigPixel.gif" runat="server" alt="~/Common/Img/qsfConfigPixel.gif"
                            style="display: none; margin: 10px; width: 200px; height: 180px; vertical-align: middle;" />
                    </fieldset>
                </td>
            </tr>
            <tr>
                <td valign="top" id="decoratorZone">
                    <fieldset style="width: 230px; height: 320px;">
                        <legend>Properties</legend>
                        <h5>
                            Choose explorer controls:</h5>
                        <asp:CheckBoxList Width="140px" ID="visibleControls" CellSpacing="0" runat="server">
                            <asp:ListItem Selected="true" Text="Address Box" Value="AddressBox"></asp:ListItem>
                            <asp:ListItem Selected="true" Text="Grid" Value="Grid"></asp:ListItem>
                            <asp:ListItem Selected="true" Text="Toolbar" Value="Toolbar"></asp:ListItem>
                            <asp:ListItem Selected="true" Text="TreeView" Value="TreeView"></asp:ListItem>
                            <asp:ListItem Selected="true" Text="Context Menus" Value="ContextMenus"></asp:ListItem>
                        </asp:CheckBoxList>
                        <h5>
                            Set control behavior:</h5>
    <asp:CheckBox ID="enableUpload" Width="130px" Text="Enable upload?" Checked="true"
    runat="server" Style="margin-left: 3px" />
                        <br />
    <asp:CheckBox ID="enableCreateNewFolder" Width="130px" Text="Allow new folders?"
    Checked="true" runat="server" Style="margin-left: 3px" />
                        <br />
    <asp:CheckBox ID="displayUpFolder" Width="160px" Text="Display up folder(..) item?"
    Checked="false" runat="server" Style="margin-left: 3px" />
                        <br />
    <asp:CheckBox ID="enableOpenFile" Width="165px" Text="Open files on double-click?"
    Checked="true" runat="server" Style="margin-left: 3px" />
                        <br />
    <asp:CheckBox ID="allowPaging" Width="165px" Text="Enable paging for the grid" Checked="false"
    runat="server" Style="margin-left: 3px" />
                        <br />
                        <br />
                        <asp:Button ID="Update" Text="Update RadFileExplorer" Width="145px" runat="server" />
                    </fieldset>
                </td>
            </tr>
        </table>
        <qsf:Footer runat="server" ID="Footer1" />
        </form>
    </body>
    </html>

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