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04.10.2008 at 05:13PM PDT, ID: 23313795
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9.1

generating - xml - excel workbook from web page with c#,  i receive an workbook with two sheets but empty, please have a look at the following code.

Asked by toshi_ in Microsoft Visual C#.Net

Tags:

Help!!!

when i generate my file, firefox, i receive the xml as text, and excel doesnt open the file automatiquely.

moreover, if i save the xml file and then open it with excel, my pages are empty.

i can not find the error on the following code,
my xml file is generated, she has the right number of sheets,

what's wrong? helpStart Free Trial 
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protected void Page_Load(object sender, EventArgs e)
        {
         
            .....
            ExcelWorkBookController Controller_ = new ExcelWorkBookController(VarSession.Role, VarSession.Community);
            
 
            Response.Clear();
            Response.Buffer = true;
            Response.ContentType = "application/vnd.ms-excel";
            Response.ContentType = "text/xml";
            //Response.ContentType = "text/xls";
            Response.ContentEncoding = System.Text.Encoding.GetEncoding("iso-8859-2");
            Response.Charset = "";
            this.EnableViewState = false;
            Response.AddHeader("Content-Disposition", "filename=transporterExport_" + DateTime.Now.ToShortDateString() +".xls");
 
            Response.Write(Controller_.WriteExcelWorkBookXML().ToString());
 
            Response.End();
        }
 
 
namespace Ecowaste.E_plan.ApplicationLayer
{
    public class ExcelWorkBookController
    {
 
        private ApplicationConfiguration.SystemConfiguration SC_;
        private DomainLayer.IAccountsRepository AccountRepo_;
        // to export
        private DataSet dsAllData_;
        // sheets
        private DataTable _dt1;
        private DataTable _dt2;
        private StringBuilder sb_;
 
 
        public ExcelWorkBookController(string role, string community)
        {
            SC_ = new SystemConfiguration(role, community);
            PersistenceLayer.PgsAccountsRepository repo_ = new PersistenceLayer.PgsAccountsRepository(role, community);
          
            _dt1 = repo_.FetchAllAccount_ToDT();
                _dt1.TableName = "tata";
            _dt2 = repo_.FetchAllAgencyAccount_ToDT();
                _dt2.TableName = "tete";
            _dt3 = repo_.FetchAllAgencyAccount_ToDT();
                _dt3.TableName = "titi";
 
            dsAllData_ = new DataSet();
            dsAllData_.Tables.Add(_dt1);
            dsAllData_.Tables.Add(_dt2);
 
            sb_ =  new StringBuilder();
        }
 
 
 
#region xml excel export
        public StringBuilder WriteExcelWorkBookXML()
        {
            //System.Configuration.ConfigurationSettings.AppSettings.Get("DOWNLOAD_USERS_REPOSITORY");
 
            sb_.Append("<?xml version=\'1.0'?>\n<?mso-application progid='Excel.Sheet'?>");
            sb_.Append("\n<Workbook xmlns='urn:schemas-microsoft-com:office:spreadsheet' ");
            sb_.Append("\n xmlns:o='urn:schemas-microsoft-com:office:office' ");
            sb_.Append("\n xmlns:x='urn:schemas-microsoft-com:office:excel' ");
            sb_.Append("\n xmlns:ss='urn:schemas-microsoft-com:office:spreadsheet'");
            sb_.Append("\n xmlns:html='http://www.w3.org/TR/REC-html40'>");
            sb_.Append("\n<ExcelWorkbook xmlns='urn:schemas-microsoft-com:office:excel'/>");
 
            sb_.Append("\n<DocumentProperties xmlns='urn:schemas-microsoft-com:office:office'>");
            sb_.Append("\n <Author>toshiro</Author>");
            sb_.Append("\n <LastAuthor>toshiro</LastAuthor>");
            sb_.Append("\n <Created>2007-09-17T20:28:02Z</Created>");
            sb_.Append("\n <LastSaved>2007-09-17T20:33:44Z</LastSaved>");
            sb_.Append("\n <Company>home</Company>");
            sb_.Append("\n <Version>11.5606</Version>");
            sb_.Append("\n</DocumentProperties>");
 
            sb_.Append("\n<Styles>");
            sb_.Append("\n <Style ss:ID='sColHeader'>");
            sb_.Append("\n <Alignment ss:Vertical='Bottom' ss:WrapText='1'/>");
            sb_.Append("\n <Borders>");
            sb_.Append("\n  <Border ss:Position='Bottom' ss:LineStyle='Continuous' ss:Weight='1' ss:Color='#000000'/>");
            sb_.Append("\n  <Border ss:Position='Left' ss:LineStyle='Continuous' ss:Weight='1' ss:Color='#000000'/>");
            sb_.Append("\n  <Border ss:Position='Right' ss:LineStyle='Continuous' ss:Weight='1' ss:Color='#000000'/>");
            sb_.Append("\n  <Border ss:Position='Top' ss:LineStyle='Continuous' ss:Weight='1' ss:Color='#000000'/>");
            sb_.Append("\n  </Borders><Font ss:Bold='1'/>");
            sb_.Append("\n </Style>");
            sb_.Append("\n<Style ss:ID='Default' ss:Name='Normal'>");
            sb_.Append("<Alignment ss:Vertical='Bottom'/><Borders/><Font/><Interior/><NumberFormat/><Protection/></Style>");
            //sw.Write("<Style ss:ID='sCurrency' ss:Name='Currency'><NumberFormat ss:Format='_(&quot;$&quot;* #,##0.00_);_(&quot;$&quot;* \(#,##0.00\);_(&quot;$&quot;* &quot;-&quot;??_);_(@_)'/></Style>");
            //sw.Write("<Style ss:ID='sNumber' ss:Name='Comma'><NumberFormat ss:Format='_(* #,##0.00_);_(* \(#,##0.00\);_(* &quot;-&quot;??_);_(@_)'/></Style>");
            sb_.Append("\n</Styles>");
 
 
            // ---------------------------------------------------------
            foreach (DataTable table in dsAllData_.Tables)
            {
                WriteExcelWorkSheetXML(table.Copy(), sb_);
            }
            // ---------------------------------------------------------
 
            sb_.Append("\n</Workbook>");
 
            return sb_;
            //Response.TransmitFile(sb_.ToString());
            //Response.WriteFile(sb_.ToString());
            //Response.End();
        }
 
 
 
        private void WriteExcelWorkSheetXML(DataTable dt, StringBuilder w)
        {
            //DataRow row = new DataRow();
            //DataColumn col = new DataColumn();
 
            w.Append("\n<Worksheet ss:Name='" + dt.TableName + "'>");
            w.Append("\n<table ss:expandedcolumncount='" + dt.Columns.Count + "' ss:expandedrowcount='" + (dt.Rows.Count + 1) + "'  x:fullcolumns='1' x:fullrows='1'>");
 
            w.Append("\n<Row ss:AutoFitHeight='0'>");
            foreach (DataColumn col in dt.Columns)
            {
                //w.Write("\n\t\t<Cell ss:StyleID='sColHeader'><Data ss:Type='String'>" +col.ColumnName+ "</Data></Cell>");
                //w.Write("\n\t\t<Cell ss:StyleID='sColHeader'><Data ss:Type='String'>" +col.ColumnName+ "</Data></Cell>");
                w.Append("\n <Cell><Data ss:Type='String'>" + col.ColumnName + "</Data></Cell>");
            }
            w.Append("\n</Row>");
 
            foreach (DataRow row in dt.Rows)
            {
                w.Append("\n<Row>");
                foreach (DataColumn col in dt.Columns)
                {
                    //w.Write("\n\t\t<Cell ss:StyleID='"  +GetExcelColumnStyle(col, "Style")+ "' ><Data ss:Type='" + GetExcelColumnStyle(col, "Type") + "'>"  +row[col]+  "</Data></Cell>");
                    w.Append("\n <Cell><Data ss:Type='" + GetExcelColumnStyle(col, "Type") + "'>" + row[col] + "</Data></Cell>");
                }
                w.Append("\n</Row>");
            }
 
            w.Append("\n</table>");
            w.Append("\n</Worksheet>");
        }
 
 
 
        public string GetExcelColumnStyle(DataColumn col, string outputFormat)
        {
            string retour = "";
            if (outputFormat == "Style")
            {
                switch (col.DataType.ToString())
                {
                    case "System.Decimal":
                        retour = "sCurrency";
                        break;
                    case "System.String":
                        retour = "Default";
                        break;
                    default:
                        retour = "sNumber";
                        break;
                }
            }
            else if (outputFormat == "Type")
            {
                switch (col.DataType.ToString())
                {
                    case "System.Decimal":
                        retour = "Number";
                        break;
                    case "System.Int32":
                        retour = "Number";
                        break;
                    default:
                        retour = "String";
                        break;
                }
            }
 
            return retour;
        }
        #endregion
    }
}
[+][-]04.10.2008 at 05:52PM PDT, ID: 21330667

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[+][-]04.13.2008 at 05:46AM PDT, ID: 21344545

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About this solution

Zone: Microsoft Visual C#.Net
Tags: c# .NET 2.0
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Solution Provided By: TheLearnedOne
Participating Experts: 1
Solution Grade: B
 
 
[+][-]04.14.2008 at 07:06AM PDT, ID: 21350100

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[+][-]04.14.2008 at 08:38AM PDT, ID: 21350946

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