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AdRotator Standard Control

Posted by Munir Shaikh Articles | Visual C# March 14, 2007
This article will help programmer, developer to overcome the problem as:"The AdRotator adRtrCtrl/adRotator1 could not find the AdvertisementFile or the file is invalid".
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Recently I was working on AdRotator controll in Asp.Net 2.0, at one stage while adding Ads.xml file.

I notice following error:

Error:

The AdRotator adRtrCtrl/adRotator1 could not find the AdvertisementFile or the file is invalid.

Possible causes:

  1. Check XML file if it is in well format.
  2. Check <NavigateUrl> tag, if it is of the form http://www.csharpcorner.com/adv=Y&ID=123 .
    The ampresand & is a reserved charactor in XML so you have to use &amp.
  3. If the nature of your XML file is something of the form as listed below.

<Advertisements>

  <Adv>

    <ImageUrl>Images/1.gif</ImageUrl>

    <NavigateUrl>http://www.c-sharpcorner.com</NavigateUrl>

    <Alt>Csharp code</Alt>

    <Caption>Csharp Site</Caption>

  </Adv>

</Advertisements>

If the first element in above file is other than <Ad> then also it gives error, it has to have very first child element as <Ad>, this is what I have observed with the code.

So it takes form like.

<Advertisements>

  <Ad>

    <ImageUrl>Images/1.gif</ImageUrl>

    <NavigateUrl>http://www.c-sharpcorner.com</NavigateUrl>

    <Alt>Csharp code</Alt>

    <Caption>Csharp Site</Caption>

  </Ad>

</Advertisements>

Code for Default.aspx:

<%@ Page Language="C#" AutoEventWireup="true"  CodeFile="Default.aspx.cs" Inherits="_Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

 

<html xmlns="http://www.w3.org/1999/xhtml" >

<head>

    <title>Untitled Page</title>

</head>

<body>

    <form id="form1" runat="server">

    <div style="text-align: left">

        &nbsp;<table>

            <tr>

                <td style="width: 259px">

                    <asp:Label ID="Label1" runat="server" Font-Names="Verdana" Font-Size="Smaller" Text="AdRotator
                      Component 
randomly picks up ad banners from XML file and clicking on  banner takes to the specified

                      URL" Width="301px"></asp:Label></td>

                <td style="width: 496px">

                    <asp:AdRotator ID="adRtrCtrl" Target="_self" runat="Server" />

                </td>

            </tr>

        </table>

    </div>

    </form>

</body>
</html>

Code for Ads.xml file:


<
Advertisements>

  <Ad>

    <ImageUrl>Images/1.gif</ImageUrl>

    <NavigateUrl>http://www.c-sharpcorner.com</NavigateUrl>

    <Alt>Csharp code</Alt>

    <Caption>Csharp Site</Caption>

  </Ad>

  <Ad>

    <ImageUrl>Images/1.gif</ImageUrl>

    <NavigateUrl>http://www.vbdotnetheaven.com</NavigateUrl>

    <Alt>VB.Net</Alt>

    <Caption>Visual Basic</Caption>

  </Ad>

  <Ad>

    <ImageUrl>Images/3.gif</ImageUrl>

    <NavigateUrl>http://www.c-sharpcorner.com</NavigateUrl>

    <Alt>Csharp code</Alt>

    <Caption>Csharp Site</Caption>

  </Ad>

  <Ad>

    <ImageUrl>Images/4.gif</ImageUrl>

    <NavigateUrl>http://www.mindcracker.com</NavigateUrl>

    <Alt>.Net Professional Job Site</Alt>

    <Caption>VS.Net</Caption>

  </Ad>

</Advertisements>

Note: I have tested the code 5-6 time with above error.

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