Scrolling News Ticker Control in C# and ASP.Net

Steps

1) Declare a DIV tag with "runat=server" and ID tag.

2) Get the feed from www.asp.net, build a marquee string with the feed got and assign the string to InnerText property of DIV tag. See the code for better understanding.

ASCX code:

<table width="250px" border="0" cellpadding="0" id="tblTechNewsScrolling" runat="server" cellspacing="0">

              <tr>

                <td width="7" height="35" align="right" class="topleft"></td>

                <td align="center" class="topmid"><asp:Label ID="lblNewsHeading" runat="server"></asp:Label></td>

                <td width="11" height="35" align="left" class="topright"></td>

              </tr>

              <tr>

              <td class="midleft"></td>

              <td>

               <div id="divNews" style="width:230px;height:190px" runat="server">

               </div></td>

                <td class="midright"></td>

              </tr>

                <tr>

                <td width="7" height="11" align="right" valign="top" class="bottomleft"></td>

                <td class="botmidbg">&nbsp;</td>

                <td align="left" valign="top" class="bottomright"></td>

              </tr>

        </table>

Building Marquee in CodeBehind:

XmlTextReader reader = null;

        try

        {

            reader = new XmlTextReader(ConfigurationManager.AppSettings["ASPNETRSS"]);

            DataSet ds = new DataSet();

            ds.ReadXml(reader);

            DataTable dtNews = ds.Tables["item"];

            StringBuilder strScrollingNews = new StringBuilder();

           lblNewsHeading.Text = "ASP.Net Articles";

            if (dtNews.Rows.Count > 0)

            {

                strScrollingNews.Append("<Marquee OnMouseOver='this.stop();' OnMouseOut='this.start();' direction='up' scrollamount='3'>");

                for (int i = 0; i < dtNews.Rows.Count; i++)

                {

                    strScrollingNews.Append("<div class='PostTitle'><a href=" + dtNews.Rows[i]["Link"].ToString() + " target='_blank'/>" + dtNews.Rows[i]["Title"].ToString() + "</a></div><div class='PostInfo'>" + dtNews.Rows[i]["Description"].ToString() + ".</div><div class='PostTitle'><a href=" + dtNews.Rows[i]["Link"].ToString() + ">Read more..</a></div><br>");

                }

                strScrollingNews.Append("</Marquee>");

                divNews.InnerHtml = strScrollingNews.ToString();

            }

            else

            {

                divNews.InnerHtml = "No News";

            }

        }

        catch (Exception ex)

        {

            Response.Write("<script>alert('" + ex.Message + "')</script>");

        }

        finally

        {

            reader.Close();

        }

In Web.Config, we can give the RSS URL.

<appSettings>

    <add key ="ASPNETRSS" value="http://asp.net/community/articles/rss.ashx"/>

  </appSettings>

We can use this usercontrol for getting feeds from any site by giving the RSS URL in Web.Config.