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RadBinaryImage - Telerik's ASP.NET BinaryImage

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About RadBinaryImage for ASP.NET AJAX

RadBinaryImage provides an easy way to display an image which is stored as binary data directly in the database. The control can be used in any data bound control (Repeater, DataList, GridView, RadGrid etc.) to display images which originate from binary image field in the data source. RadBinaryImage uses an internal http handler which streams the image from the binary source to the page in which it has to be visualized.

RadBinaryImage and 70+ other controls are part of RadControls for ASP.NET AJAX, a comprehensive toolset taking care of the common functionality of your application, while leaving you with more time to work on the business logic of the app.

About This Demo

This example illustrates how to use the built-in GridBinaryImageColumn in RadListView control and how to display an image streamed from a binary image source field (specified through the DataValue property of the column).

Get Started

Use Telerik’s Visual Studio Extensions (which you have installed together with the RadControls) to quickly create, upgrade and configure your RadControls projects. Save time by using the ready-to-use Visual Studio templates that cover common application scenarios.
Find the controls in need in your VS toolbox and use the Design-time surface and rich wizards to configure them quickly.
If you’d like to learn more about how to best implement the RadControls, browse the Telerik folder in your Start menu and use the shortcuts there to access the local demos, online documentation or open the sample examples app in Visual Studio.
If you like this particular BinaryImage demo, you can use the following path to find it in the sample website application:

binaryimage/examples/overview

Key Features

Various display settings - you can specify whether you want to display the image as a thumbnail and provide the thumbnail size, alignment, etc
Use in any data bound control - use RadBinaryImage with Repeater, DataList, GridView, etc to display images which originate from a binary image field in the data source
HTTP Handler - the BinaryImage uses an internal http handler which streams the image from the binary source to the page in which it has to be visualized

Read details on RadBinaryImage’s product page

Resources

C# VB

Show code in new window Demo isolation steps

<%@ Page Language="vb"  %>

<%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %>
<%@ Register Src="~/BinaryImage/Examples/Overview/Info.ascx" TagName="Info" TagPrefix="qsf" %>
<!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>
    <title>Overview of RadBinaryImage tutorial for ASP.NET</title>
    <link rel="Stylesheet" type="text/css" href="styles.css" />
</head>
<body>
    <form id="form1" runat="server">
    <telerik:RadScriptManager runat="server" ID="RadScriptManager1" />
    <telerik:RadFormDecorator ID="QsfFromDecorator" runat="server" DecoratedControls="All" EnableRoundedCorners="false" />
    <telerik:RadListView ID="RadListView1" runat="server" DataSourceID="SqlDataSource2"
        ItemPlaceholderID="ListViewContainer" Skin="Office2010Silver">
        <LayoutTemplate>
            <asp:PlaceHolder runat="server" ID="ListViewContainer" />
        </LayoutTemplate>
        <ItemTemplate>
            <fieldset style="float: left; width: 350px; height: 150px;">
                <legend><b>Company Name</b>:
                    <%#Eval("CompanyName")%></legend>
                <div class="details">
                    <div class="photo-container">
                        <telerik:RadBinaryImage runat="server" ID="RadBinaryImage1" DataValue='<%# IIf(Eval("Photo") IsNot DBNull.Value, Eval("Photo"),New System.Byte(-1) {})%>'
                            AutoAdjustImageControlSize="false" Width="90px" Height="110px" ToolTip='<%#Eval("ContactName", "Photo of {0}") %>'
                            AlternateText='<%#Eval("ContactName", "Photo of {0}") %>' />
                    </div>
                    <div class="data-container">
                        <ul>
                            <li>
                                <label>
                                    Contact Name:</label>
                                <%#Eval("ContactName")%>
                            </li>
                            <li>
                                <label>
                                    Title:</label>
                                <%#Eval("ContactTitle")%>
                            </li>
                            <li>
                                <label>
                                    City:</label>
                                <%#Eval("City")%>
                            </li>
                            <li>
                                <label>
                                    Country:</label>
                                <%#Eval("Country")%>
                            </li>
                            <li>
                                <label>
                                    Phone:</label>
                                <%#Eval("Phone")%>
                            </li>
                        </ul>
                    </div>
                </div>
            </fieldset>
        </ItemTemplate>
    </telerik:RadListView>
    <div style="clear: both;">
    </div>
    <asp:SqlDataSource ID="SqlDataSource2" runat="server" ConnectionString="<%$ ConnectionStrings:TelerikConnectionString %>"
        ProviderName="<%$ ConnectionStrings:TelerikConnectionString.ProviderName %>"
        SelectCommand="SELECT TOP 6 * FROM [CustomerPhotos]"></asp:SqlDataSource>
    </form>
</body>
</html>

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