Ошибка при загрузке отчета неизвестный корневой xml элемент metaform

MetaForm.pyc

Типичные ошибки MetaForm.pyc

Распространенные проблемы, связанные с openSUSE 10.2s, возникающие с MetaForm.pyc:

• «Ошибка: MetaForm.pyc. «
• «MetaForm.pyc перемещен или отсутствует. «
• «Отсутствует файл: MetaForm.pyc»
• «Не удалось загрузить MetaForm.pyc. «
• «Отсутствует модуль: не удалось зарегистрировать MetaForm.pyc»
• «Ошибка времени выполнения openSUSE 10.2: MetaForm.pyc»
• «Ошибка загрузки: MetaForm.pyc. «

В основном ошибки, связанные с MetaForm.pyc, возникают в процессе установки openSUSE 10.2, во время загрузки программного или аппаратного обеспечения, связанного с Novell Inc., во время последовательности загрузки драйвера устройства, связанного с openSUSE 10.2, или завершения/запуска Windows. Запись ошибок MetaForm.pyc внутри openSUSE 10.2 имеет решающее значение для обнаружения неисправностей электронной Linux Host и ретрансляции обратно в Novell Inc. для параметров ремонта.

Источники проблем MetaForm.pyc

Эти проблемы MetaForm.pyc создаются отсутствующими или поврежденными файлами MetaForm.pyc, недопустимыми записями реестра openSUSE 10.2 или вредоносным программным обеспечением.

Особенно эти ошибки MetaForm.pyc проистекают из:

• Поврежденная или недопустимая запись реестра MetaForm.pyc.
• Файл MetaForm.pyc поврежден от заражения вредоносными программами.
• MetaForm.pyc злонамеренно или ошибочно удален другим программным обеспечением (кроме openSUSE 10.2).
• Другое приложение, конфликтующее с MetaForm.pyc или другими общими ссылками.
• MetaForm.pyc поврежден во время загрузки или установки программного обеспечения.

I am making a web application that takes RSS feeds from websites(URLs are in database) and then loads them into my web application. But I am getting this error

System.Xml.XmlException: Root element is missing. root element is
missing. at line : rssdoc.load(rssStream);

Exception Details: System.Xml.XmlException: There are multiple root elements. Line 2, position 2. so how to encapsulate everything else by single xml element

Here is my code:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Xml;
using System.Net;
using System.Text;
using System.IO;
using System.Data;
using System.Data.SqlClient;

public partial class poletics : System.Web.UI.Page
{
    public SqlConnection oldbcon = new SqlConnection();
    static int n = 0;
    static DataTable dt = new DataTable();
    protected void Page_Load(object sender, EventArgs e)
    {
        oldbcon = opncon();

        using (oldbcon)
        {
            SqlDataAdapter ad = new SqlDataAdapter("SELECT * from LebPolRss", oldbcon);
            ad.Fill(dt);
        }
        int f = 3;
        while (n < f)
        {
            for (int i = 0; i < dt.Rows.Count; i++)
            {
                Literal feed = new Literal();
                try
                {
                    feed.Text = ProcessRss(dt.Rows[i][3].ToString(), dt.Rows[i][4].ToString());
                }
                catch (WebException ex)
                {
                    WebResponse response = ex.Response;
                }
                Panel1.Controls.Add(feed);
            }
            n++;
        }
    }
    public static string ProcessRss(string rssUrl, string feed)
    {
        WebRequest request = WebRequest.Create(rssUrl);
        WebResponse response = request.GetResponse();
        StringBuilder sb = new StringBuilder("");
        Stream rssStream = response.GetResponseStream();
        XmlDocument rssDoc = new XmlDocument();

        rssDoc.Load(rssStream);//here is the line where the exception thrown
        XmlNodeList rssItems = rssDoc.SelectNodes("rss/channel/item");

        string title = "";
        string link = "";
        string description = "";
        int upperlimit = rssItems.Count;
        if (upperlimit > n)
            upperlimit = n + 1;
        if (upperlimit > 0)
        {
            sb.Append("<ul>");
            for (int i = 0; i < upperlimit - n; i++)
            {
                XmlNode rssDetail;
                rssDetail = rssItems.Item(i + n).SelectSingleNode("title");
                if (rssDetail != null)
                {
                    if (feed.ToString().Equals("tayyar"))
                    {
                        title = rssDetail.InnerText.Substring(5);
                    }
                    else
                    {
                        if (rssDetail.InnerText.Length > 75)
                        {
                            title = rssDetail.InnerText.Substring(0, 75);
                        }
                        else
                        {
                            title = rssDetail.InnerText;
                        }
                    }
                }
                else
                {
                    title = "";
                }

                rssDetail = rssItems.Item(i + n).SelectSingleNode("link");
                if (rssDetail != null)
                {
                    if (feed.ToString().Equals("tayyar"))
                    {
                        if (rssDetail.InnerText.Substring(0, 21).CompareTo("http://www.tayyar.org") != 0)
                        {
                            link = "http://www.tayyar.org" + rssDetail.InnerText;
                        }
                        else
                        {
                            link = rssDetail.InnerText;
                        }
                    }
                    else
                    {
                        link = rssDetail.InnerText;
                    }
                }
                else
                {
                    link = "";
                }
                rssDetail = rssItems.Item(i + n).SelectSingleNode("description");
                if (rssDetail != null)
                {
                    if (!rssDetail.InnerText.Substring(3, 3).Equals("Ad:"))
                    {

                        description = rssDetail.InnerText;
                    }

                }
                else
                {
                    description = "";
                }
                switch (feed)
                {
                    case "tayyar": sb.Append("<div class='imgsep'><li><img src='logos/tayyar.jpg' width='50px' height='30px'/>&nbsp;&nbsp;&nbsp;<a href='" + link + "' target='_blank'>" + title + "</a>&nbsp;<img src='Images/smallarrow.png'/></li></div>");
                        break;
                    case "14march": sb.Append("<div class='imgsep'><li><img src='logos/14march.jpg' width='50px' height='30px'/>&nbsp;&nbsp;&nbsp;<a href='" + link + "' target='_blank'>" + title + "</a>&nbsp;<img src='Images/smallarrow.png'/></li></div>");
                        break;
                    case "annahar": sb.Append("<div class='imgsep'><li><img src='logos/annahar.jpg' width='50px' height='30px'/>&nbsp;&nbsp;&nbsp;<a href='" + link + "' target='_blank'>" + title + "</a>&nbsp;<img src='Images/smallarrow.png'/></li></div>");
                        break;
                    case "alakhbar": sb.Append("<div class='imgsep'><li><img src='logos/akhbar.jpg' width='50px' height='30px'/>&nbsp;&nbsp;&nbsp;<a href='" + link + "' target='_blank'>" + title + "</a>&nbsp;<img src='Images/smallarrow.png'/></li></div>");
                        break;
                    case "sadabeirut": sb.Append("<div class='imgsep'><li><img src='logos/echobeirut.png' width='50px' height='30px'/>&nbsp;&nbsp;&nbsp;<a href='" + link + "' target='_blank'>" + title + "</a>&nbsp;<img src='Images/smallarrow.png'/></li></div>");
                        break;
                    case "assafir": sb.Append("<div class='imgsep'><li><img src='logos/assafir.png' width='50px' height='30px'/>&nbsp;&nbsp;&nbsp;<a href='" + link + "' target='_blank'>" + title + "</a>&nbsp;<img src='Images/smallarrow.png'/></li></div>");
                        break;
                    case "aliwaa": sb.Append("<div class='imgsep'><li><img src='logos/aliwaa.jpg' width='50px' height='30px'/>&nbsp;&nbsp;&nbsp;<a href='" + link + "' target='_blank'>" + title + "</a>&nbsp;<img src='Images/smallarrow.png'/></li></div>");
                        break;
                }
            }
            sb.Append("</ul>");
        }
        return sb.ToString();
    }
    protected void LinkButton1_Click(object sender, EventArgs e)
    {
        oldbcon = opncon();
        using (oldbcon)
        {
            SqlDataAdapter ad = new SqlDataAdapter("SELECT * from LebPolRss", oldbcon);
            ad.Fill(dt);
        }
        n = 4;
        for (int i = 0; i < dt.Rows.Count; i++)
        {
            Literal feed = new Literal();
            try
            {
                feed.Text = ProcessRss(dt.Rows[i][3].ToString(), dt.Rows[i][4].ToString());
            }
            catch (WebException ex) { WebResponse response = ex.Response; }
            Panel1.Controls.Add(feed);
        }
        LinkButton1.Visible = false;
    }
    public static SqlConnection opncon()
    {
        string connectionString = "Data Source=RAYYAN-THINK;Initial Catalog=newsProject;Integrated Security=True";
        SqlConnection conn = new SqlConnection(connectionString);
        return conn;
    }
}

Stack Trace:

[XmlException: Root element is missing.]
   System.Xml.XmlTextReaderImpl.Throw(Exception e) +69
   System.Xml.XmlTextReaderImpl.ParseDocumentContent() +5589128
   System.Xml.XmlTextReaderImpl.Read() +215
   System.Xml.XmlLoader.Load(XmlDocument doc, XmlReader reader, Boolean preserveWhitespace) +145
   System.Xml.XmlDocument.Load(XmlReader reader) +107
   System.Xml.XmlDocument.Load(Stream inStream) +130
   poletics.ProcessRss(String rssUrl, String feed) in c:UsersRAYYANDocumentsVisual Studio 2012WebSitesWebSite1poletics.aspx.cs:57
   poletics.Page_Load(Object sender, EventArgs e) in c:UsersRAYYANDocumentsVisual Studio 2012WebSitesWebSite1poletics.aspx.cs:36
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +51
   System.Web.UI.Control.OnLoad(EventArgs e) +92
   System.Web.UI.Control.LoadRecursive() +54
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +772

I am making a web application that takes RSS feeds from websites(URLs are in database) and then loads them into my web application. But I am getting this error

System.Xml.XmlException: Root element is missing. root element is
missing. at line : rssdoc.load(rssStream);

Exception Details: System.Xml.XmlException: There are multiple root elements. Line 2, position 2. so how to encapsulate everything else by single xml element

Here is my code:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Xml;
using System.Net;
using System.Text;
using System.IO;
using System.Data;
using System.Data.SqlClient;

public partial class poletics : System.Web.UI.Page
{
    public SqlConnection oldbcon = new SqlConnection();
    static int n = 0;
    static DataTable dt = new DataTable();
    protected void Page_Load(object sender, EventArgs e)
    {
        oldbcon = opncon();

        using (oldbcon)
        {
            SqlDataAdapter ad = new SqlDataAdapter("SELECT * from LebPolRss", oldbcon);
            ad.Fill(dt);
        }
        int f = 3;
        while (n < f)
        {
            for (int i = 0; i < dt.Rows.Count; i++)
            {
                Literal feed = new Literal();
                try
                {
                    feed.Text = ProcessRss(dt.Rows[i][3].ToString(), dt.Rows[i][4].ToString());
                }
                catch (WebException ex)
                {
                    WebResponse response = ex.Response;
                }
                Panel1.Controls.Add(feed);
            }
            n++;
        }
    }
    public static string ProcessRss(string rssUrl, string feed)
    {
        WebRequest request = WebRequest.Create(rssUrl);
        WebResponse response = request.GetResponse();
        StringBuilder sb = new StringBuilder("");
        Stream rssStream = response.GetResponseStream();
        XmlDocument rssDoc = new XmlDocument();

        rssDoc.Load(rssStream);//here is the line where the exception thrown
        XmlNodeList rssItems = rssDoc.SelectNodes("rss/channel/item");

        string title = "";
        string link = "";
        string description = "";
        int upperlimit = rssItems.Count;
        if (upperlimit > n)
            upperlimit = n + 1;
        if (upperlimit > 0)
        {
            sb.Append("<ul>");
            for (int i = 0; i < upperlimit - n; i++)
            {
                XmlNode rssDetail;
                rssDetail = rssItems.Item(i + n).SelectSingleNode("title");
                if (rssDetail != null)
                {
                    if (feed.ToString().Equals("tayyar"))
                    {
                        title = rssDetail.InnerText.Substring(5);
                    }
                    else
                    {
                        if (rssDetail.InnerText.Length > 75)
                        {
                            title = rssDetail.InnerText.Substring(0, 75);
                        }
                        else
                        {
                            title = rssDetail.InnerText;
                        }
                    }
                }
                else
                {
                    title = "";
                }

                rssDetail = rssItems.Item(i + n).SelectSingleNode("link");
                if (rssDetail != null)
                {
                    if (feed.ToString().Equals("tayyar"))
                    {
                        if (rssDetail.InnerText.Substring(0, 21).CompareTo("http://www.tayyar.org") != 0)
                        {
                            link = "http://www.tayyar.org" + rssDetail.InnerText;
                        }
                        else
                        {
                            link = rssDetail.InnerText;
                        }
                    }
                    else
                    {
                        link = rssDetail.InnerText;
                    }
                }
                else
                {
                    link = "";
                }
                rssDetail = rssItems.Item(i + n).SelectSingleNode("description");
                if (rssDetail != null)
                {
                    if (!rssDetail.InnerText.Substring(3, 3).Equals("Ad:"))
                    {

                        description = rssDetail.InnerText;
                    }

                }
                else
                {
                    description = "";
                }
                switch (feed)
                {
                    case "tayyar": sb.Append("<div class='imgsep'><li><img src='logos/tayyar.jpg' width='50px' height='30px'/>&nbsp;&nbsp;&nbsp;<a href='" + link + "' target='_blank'>" + title + "</a>&nbsp;<img src='Images/smallarrow.png'/></li></div>");
                        break;
                    case "14march": sb.Append("<div class='imgsep'><li><img src='logos/14march.jpg' width='50px' height='30px'/>&nbsp;&nbsp;&nbsp;<a href='" + link + "' target='_blank'>" + title + "</a>&nbsp;<img src='Images/smallarrow.png'/></li></div>");
                        break;
                    case "annahar": sb.Append("<div class='imgsep'><li><img src='logos/annahar.jpg' width='50px' height='30px'/>&nbsp;&nbsp;&nbsp;<a href='" + link + "' target='_blank'>" + title + "</a>&nbsp;<img src='Images/smallarrow.png'/></li></div>");
                        break;
                    case "alakhbar": sb.Append("<div class='imgsep'><li><img src='logos/akhbar.jpg' width='50px' height='30px'/>&nbsp;&nbsp;&nbsp;<a href='" + link + "' target='_blank'>" + title + "</a>&nbsp;<img src='Images/smallarrow.png'/></li></div>");
                        break;
                    case "sadabeirut": sb.Append("<div class='imgsep'><li><img src='logos/echobeirut.png' width='50px' height='30px'/>&nbsp;&nbsp;&nbsp;<a href='" + link + "' target='_blank'>" + title + "</a>&nbsp;<img src='Images/smallarrow.png'/></li></div>");
                        break;
                    case "assafir": sb.Append("<div class='imgsep'><li><img src='logos/assafir.png' width='50px' height='30px'/>&nbsp;&nbsp;&nbsp;<a href='" + link + "' target='_blank'>" + title + "</a>&nbsp;<img src='Images/smallarrow.png'/></li></div>");
                        break;
                    case "aliwaa": sb.Append("<div class='imgsep'><li><img src='logos/aliwaa.jpg' width='50px' height='30px'/>&nbsp;&nbsp;&nbsp;<a href='" + link + "' target='_blank'>" + title + "</a>&nbsp;<img src='Images/smallarrow.png'/></li></div>");
                        break;
                }
            }
            sb.Append("</ul>");
        }
        return sb.ToString();
    }
    protected void LinkButton1_Click(object sender, EventArgs e)
    {
        oldbcon = opncon();
        using (oldbcon)
        {
            SqlDataAdapter ad = new SqlDataAdapter("SELECT * from LebPolRss", oldbcon);
            ad.Fill(dt);
        }
        n = 4;
        for (int i = 0; i < dt.Rows.Count; i++)
        {
            Literal feed = new Literal();
            try
            {
                feed.Text = ProcessRss(dt.Rows[i][3].ToString(), dt.Rows[i][4].ToString());
            }
            catch (WebException ex) { WebResponse response = ex.Response; }
            Panel1.Controls.Add(feed);
        }
        LinkButton1.Visible = false;
    }
    public static SqlConnection opncon()
    {
        string connectionString = "Data Source=RAYYAN-THINK;Initial Catalog=newsProject;Integrated Security=True";
        SqlConnection conn = new SqlConnection(connectionString);
        return conn;
    }
}

Stack Trace:

[XmlException: Root element is missing.]
   System.Xml.XmlTextReaderImpl.Throw(Exception e) +69
   System.Xml.XmlTextReaderImpl.ParseDocumentContent() +5589128
   System.Xml.XmlTextReaderImpl.Read() +215
   System.Xml.XmlLoader.Load(XmlDocument doc, XmlReader reader, Boolean preserveWhitespace) +145
   System.Xml.XmlDocument.Load(XmlReader reader) +107
   System.Xml.XmlDocument.Load(Stream inStream) +130
   poletics.ProcessRss(String rssUrl, String feed) in c:UsersRAYYANDocumentsVisual Studio 2012WebSitesWebSite1poletics.aspx.cs:57
   poletics.Page_Load(Object sender, EventArgs e) in c:UsersRAYYANDocumentsVisual Studio 2012WebSitesWebSite1poletics.aspx.cs:36
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +51
   System.Web.UI.Control.OnLoad(EventArgs e) +92
   System.Web.UI.Control.LoadRecursive() +54
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +772