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6.7

What is the default encoding off Microsoft Excel 2007?

Asked by toshi_ in .NET Framework 2.x, Microsoft Excel Spreadsheet Software, Microsoft Visual C#.Net

Tags: Microsoft Visual Studio 2005 .NET, Microsoft Excel 2007

I tried a list of encoding my CSV files to export, but Microsoft Excel 2007 didn't want to recognise it. Her is the list:
- Response.ContentEncoding = System.Text.Encoding.GetEncoding("iso-8859-2");
- Response.ContentEncoding = System.Text.Encoding.GetEncoding("windows-1256");
- Response.ContentEncoding = System.Text.Encoding.GetEncoding("iso-8859-1");
- Response.ContentEncoding = System.Text.Encoding.Default;
- Response.ContentEncoding = System.Text.Encoding.UTF8;
- Response.ContentEncoding = System.Text.Encoding.UTF7;
- Response.ContentEncoding = System.Text.Encoding.Default;
- Response.ContentEncoding = System.Text.Encoding.BigEndianUnicode
- Response.ContentEncoding = System.Text.Encoding.ASCII
- Response.ContentEncoding = System.Text.Encoding.UTF32 
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using System;
using System.Text;
using System.Data;
using System.Globalization;
using System.Threading;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using Ecowaste.E_plan.DomainLayer;
 
namespace Ecowaste.E_plan.WebSite
{
    public partial class generatingAllLevels : System.Web.UI.Page
    {
 
        private DataTable allLevelsAndForecast_;
        private string communityNameClean_;
 
        private Community theCommunity_;
        private Account Account_;
 
        private LanguageParser Parser_;
 
 
        protected override void OnInit(EventArgs e)
        {
            Account_ =  VarSession.Account;
            Parser_ = new LanguageParser();
            base.OnInit(e);
        }
 
 
        protected void Page_Load(object sender, EventArgs e)
        {
            theCommunity_              = VarSession.Community;
 
            CultureInfo cultureInfo     = Thread.CurrentThread.CurrentCulture;
            TextInfo textInfo           = cultureInfo.TextInfo;
            communityNameClean_         = textInfo.ToTitleCase(theCommunity_.Db_name.Replace("_", " "));
            allLevelsAndForecast_       = RecoverValuesFromCache();
 
            if (bool.Parse(Request.Params["excel2003"]))
            {
                GiveExcellResponse();
            }
            else
            {
                GiveCSSResponse();
            }
        }
 
 
 
        private DataTable RecoverValuesFromCache()
        {
            string _wt;
            try
            {
                _wt = HttpContext.Current.Cache["Export_WT_" + theCommunity_.Db_name].ToString();
            } catch (NullReferenceException ex)
            {
                Console.Write("generatingAllLevels->RecoverValuesFromCache; ex:" + ex.Message);
                _wt = "";
            }
 
            // -- si c'est l'admin qui exporte, pas de type de deches, ils sont tous exportés.
            if(Account_.AccountType == DomainLayer.AccountType.AdminAccount || Account_.Id == 1000000)
            {
                _wt = "";
            }
 
            // -- RECOVER FROM CACHE -----------------------
            try
            {
 
                if (System.Web.HttpContext.Current.Cache["levelPrevision_" + _wt + "_"+theCommunity_.Db_name] != null)
                {
                    if(((DataTable)System.Web.HttpContext.Current.Cache["levelPrevision_"  +_wt+ "_" +theCommunity_.Db_name]).Rows.Count > 0)
                        return (DataTable) System.Web.HttpContext.Current.Cache["levelPrevision_" +_wt+ "_" + theCommunity_.Db_name];
                }
            } catch (System.NullReferenceException ex)
            {
                Console.Write("generatingAllLevels.aspx.cs->RecoverValuesFromCache; ex:" + ex.Message);
            }
            return (DataTable) System.Web.HttpContext.Current.Cache["levelPrevision_"+ _wt + "_" + theCommunity_.Db_name];
            // -- ------------------ -----------------------
        }
 
        private void GiveCSSResponse()
        {
            Response.Clear();
            Response.Buffer = true;
            Response.ContentType = "text/csv";
            //Response.ContentEncoding = System.Text.Encoding.GetEncoding("iso-8859-2");
            //Response.ContentEncoding = System.Text.Encoding.GetEncoding("windows-1256");
            //Response.ContentEncoding = System.Text.Encoding.GetEncoding("iso-8859-1");
            Response.ContentEncoding = System.Text.Encoding.UTF8;
            Response.Charset = "";
            this.EnableViewState = false;
            Response.AddHeader("Content-Disposition", "filename=" + theCommunity_.Db_name + "_ExportCSVContainersStatusLevels.csv");
 
            Response.Write(GenerateCSVWithAllContainersLevels().ToString());
 
            Response.End();
        }
 
 
        private void GiveExcellResponse()
        {
            Response.Clear();
            Response.Buffer = true;
            Response.ContentType = "application/vnd.ms-excel";
            //Response.ContentEncoding = System.Text.Encoding.GetEncoding("iso-8859-15");
            //Response.ContentEncoding = System.Text.Encoding.GetEncoding("utf-8");
            //Response.ContentEncoding = System.Text.Encoding.GetEncoding("iso-8859-1");
 
            //Response.ContentEncoding = System.Text.Encoding.UTF7;    // ---> ok pour les char spéciaux, dictionnary KO.
            //Response.ContentEncoding = System.Text.Encoding.UTF8;    // ---> ok pour dictionnary, char spéciaux KO.
            //Response.ContentEncoding = System.Text.Encoding.ASCII;   // ---> ok pour dictionnary, char spéciaux en "?" 
            //Response.ContentEncoding = System.Text.Encoding.Unicode; // ---> ko, affiche en html. 
            //Response.ContentEncoding = System.Text.Encoding.Default; // --->  ko, comme utf8
            Response.ContentEncoding = System.Text.Encoding.UTF7; // --->  ko, comme utf8
 
            Response.Charset = "";
            this.EnableViewState = false;
            Response.AddHeader("Content-Disposition", "filename=" +theCommunity_.Db_name+ "_ExportContainersStatusLevels.xls");
 
            Response.Write(GenerateHeaderInfoForLevels().ToString());
            Response.Write("<table border=1>");
            Response.Write(GenerateExcelHeader().ToString());
            Response.Write(GenerateExcelWithAllContainersLevels().ToString());
            Response.Write("</table>");
 
            Response.End();
        }
 
 
#region page construction
        private StringBuilder GenerateHeaderInfoForLevels()
        {
 
            StringBuilder _htmlHeaderInfo = new StringBuilder();
            _htmlHeaderInfo.Append("<table border=0 style='font-size:14px; font-weight:bold;'>");
                _htmlHeaderInfo.Append("<tr>");
                    _htmlHeaderInfo.Append("<td class='header_lab'><lng id=date/></td>    <td class='header_val' align='left'>" +DateTime.Now.ToShortDateString()+ " " +DateTime.Now.ToShortTimeString()+ "</td>");
                _htmlHeaderInfo.Append("</tr>");
                _htmlHeaderInfo.Append("<tr>");
                    _htmlHeaderInfo.Append("<td class='header_lab'><lng id=Community/></td>   <td class='header_val' align='left'> "+communityNameClean_+"</td>");
                _htmlHeaderInfo.Append("</tr>");
                _htmlHeaderInfo.Append("<tr>");
                    _htmlHeaderInfo.Append("<td class='header_lab' style='background-color:#ff66aa;'><lng id=ColoredBackground/></td>    <td class='header_val' align='left'><lng id=InfoOlderThan30H/></td>");
                _htmlHeaderInfo.Append("</tr>");
                _htmlHeaderInfo.Append("<tr>");
                    _htmlHeaderInfo.Append("<td>&nbsp;</td>");
                _htmlHeaderInfo.Append("</tr>");
                _htmlHeaderInfo.Append("<tr>");
                    _htmlHeaderInfo.Append("<td>&nbsp;</td>");
                _htmlHeaderInfo.Append("</tr>");
            _htmlHeaderInfo.Append("</table>");
 
            StringBuilder _Translated = Parser_.Translate(_htmlHeaderInfo);
 
            return _Translated;
        }
 
 
 
        private StringBuilder GenerateExcelHeader()
        {
            StringBuilder _htmlHeader = new StringBuilder();
 
                _htmlHeader .Append("<tr style='font-weight:bold; background-color:#eeefee; font-size:14px'>");
                    _htmlHeader.Append("<td width=200><lng id=ContainerNo/>        </td>");
                    _htmlHeader.Append("<td width=200><lng id=ContainerId/>        </td>");
                    _htmlHeader.Append("<td><lng id=Address/>                      </td>");
                    _htmlHeader.Append("<td><lng id=City/>                         </td>");
                    _htmlHeader.Append("<td width=200><lng id=ContainerWasteType/> </td>");
                    _htmlHeader.Append("<td><lng id=WasteMass/> [Kg]               </td>");
                    _htmlHeader.Append("<td><lng id=level/>-Min [%]                </td>");
                    _htmlHeader.Append("<td><lng id=level/> [%]                    </td>");
                    _htmlHeader.Append("<td><lng id=level/>-Max [%]                </td>");
                    _htmlHeader.Append("<td><lng id=LastDateLevel/>                </td>");
                    _htmlHeader.Append("<td><lng id=ContainerForecast/>            </td>");
                _htmlHeader .Append("</tr>");
 
            StringBuilder _Translated = Parser_.Translate(_htmlHeader);
 
            return _Translated;
        }
 
 
 
        private StringBuilder GenerateExcelWithAllContainersLevels()
        {
            StringBuilder _htmlPage = new StringBuilder();
 
            //int i = 0; 
            foreach(DataRow row in allLevelsAndForecast_.Rows)
            {
                // TODO : changer la couleur selon la dernière date.
                DateTime last   = (DateTime) row["last_punched_level"];
                DateTime now    = DateTime.Now;
                int      total  = (int)(now - last).TotalHours;
                
                if(total < 30)
                {
                    _htmlPage.Append("<tr>");
                }else
                {
                    _htmlPage.Append("<tr bgcolor='#ff66aa'>");
                }
                    _htmlPage.Append("<td>" + row["container_no"] + "</td>");
                    _htmlPage.Append("<td>" + row["container_id"] + "</td>");
                    _htmlPage.Append("<td>" +row["address"]             + "</td>");
                    _htmlPage.Append("<td>" +row["city"]                + "</td>");
                    _htmlPage.Append("<td>" +row["waste_type"]          + "</td>");
                    _htmlPage.Append("<td>" +row["mass"]                + "</td>");
                    _htmlPage.Append("<td>" +row["level_percent_min"]   + "</td>");
                    _htmlPage.Append("<td>" +row["level_percent"]       + "</td>");
                    _htmlPage.Append("<td>" +row["level_percent_max"]   + "</td>");
                    _htmlPage.Append("<td>" + ((DateTime)row["last_punched_level"]).ToString("ddd, dd-MMM") + 
                                     " " +((DateTime)row["last_punched_level"]).ToShortTimeString()+ 
                        "</td>");
                    _htmlPage.Append("<td>" +row["forecast_days"]   + "</td>");
                _htmlPage.Append("</tr>");
            }
            StringBuilder _Translated = Parser_.Translate(_htmlPage);
 
            return _Translated;
        }
 
        public StringBuilder GenerateCSVWithAllContainersLevels()
        {
            StringBuilder CSVPage_;
            CSVPage_ = new StringBuilder();
 
            CSVPage_.Append(SetExportCSVHeader().ToString());
            CSVPage_.Append(SetContentCSVHeader().ToString());
            CSVPage_.Append(SetAllContainersLevelsCSV().ToString());
 
            return CSVPage_;
        }
 
        private StringBuilder SetExportCSVHeader()
        {
 
            StringBuilder _accuExportHeader = new StringBuilder();
            string separator = ";";
 
            /// -------------- PAGE HEADER -----------------------//
            /// 
             _accuExportHeader.Append("\n"); //nécessaire pour la traduction
 
            _accuExportHeader.Append("<lng id=date/>" + separator + DateTime.Now.ToShortDateString()+ " " +DateTime.Now.ToShortTimeString()+ "\n");
            _accuExportHeader.Append("<lng id=Community/>" + separator + communityNameClean_ + "\n");
            _accuExportHeader.Append("*" + separator + "<lng id=InfoOlderThan30H/>\n");
            _accuExportHeader.Append(" " + separator + "\n");
            _accuExportHeader.Append(" " + separator + "\n");
 
            /// -------------- END PAGE HEADER ----------------------------//
            /// 
            /// 
            /// 
 
            StringBuilder _Translated = Parser_.Translate(_accuExportHeader);
 
            return _Translated;
        }
 
        private StringBuilder SetContentCSVHeader()
        {
 
            StringBuilder _TempHeader = new StringBuilder();
            string separator = ";";
 
            _TempHeader.Append("\n"); //nécessaire pour la traduction
 
            _TempHeader.Append("<lng id=ContainerNo/>" + separator);
            _TempHeader.Append("<lng id=ContainerId/>" + separator);
            _TempHeader.Append("<lng id=Address/>" + separator);
            _TempHeader.Append("<lng id=City/>" + separator);
            _TempHeader.Append("<lng id=ContainerWasteType/>" + separator);
            _TempHeader.Append("<lng id=WasteMass/>" + separator);
            _TempHeader.Append("<lng id=level/>-Min [%]" + separator);
            _TempHeader.Append("<lng id=level/> [%]" + separator);
            _TempHeader.Append("<lng id=level/>-Max [%]" + separator);
            _TempHeader.Append("<lng id=LastDateLevel/>" + separator);
            _TempHeader.Append("<lng id=ContainerForecast/>" + separator +"\n");
 
 
            StringBuilder _Translated = Parser_.Translate(_TempHeader);
 
            return _Translated;
        }
 
        private StringBuilder SetAllContainersLevelsCSV()
        {
            StringBuilder _accuContainers = new StringBuilder();
            string separator = ";";
 
            foreach (DataRow row in allLevelsAndForecast_.Rows)
            {
                // TODO : changer la couleur selon la dernière date.
                DateTime last = (DateTime)row["last_punched_level"];
                DateTime now = DateTime.Now;
                int total = (int)(now - last).TotalHours;
 
                _accuContainers.Append(row["container_no"] + separator);
                _accuContainers.Append(row["container_id"] + separator);
                _accuContainers.Append(row["address"] + separator);
                _accuContainers.Append(row["city"] + separator);
                _accuContainers.Append(row["waste_type"] + separator);
                _accuContainers.Append(row["mass"] + separator);
                _accuContainers.Append(row["level_percent_min"] + separator);
                _accuContainers.Append(row["level_percent"] + separator);
                _accuContainers.Append(row["level_percent_max"] + separator);
                _accuContainers.Append(((DateTime)row["last_punched_level"]).ToString("ddd, dd-MMM") +
                                 " " + ((DateTime)row["last_punched_level"]).ToShortTimeString() + separator);
                _accuContainers.Append(row["forecast_days"] + separator);
                if (total >= 30)
                {
                    _accuContainers.Append("*");
                }
                _accuContainers.Append("\n");
            }
            StringBuilder _Translated = Parser_.Translate(_accuContainers);
 
            return _Translated;
        }
        #endregion
 
    }
}
[+][-]08/31/09 09:01 AM, ID: 25223879Expert Comment

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[+][-]09/01/09 09:19 AM, ID: 25233122Accepted Solution

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About this solution

Zones: .NET Framework 2.x, Microsoft Excel Spreadsheet Software, Microsoft Visual C#.Net
Tags: Microsoft Visual Studio 2005 .NET, Microsoft Excel 2007
Sign Up Now!
Solution Provided By: abel
Participating Experts: 1
Solution Grade: A
 
[+][-]09/04/09 07:33 AM, ID: 25260073Author Comment

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20091021-EE-VQP-81 - Hierarchy / EE_QW_3_20080625