How to export excel data using XMLMap and EPPlus - c#

I was wondering if someone can assist me in achieving the C# code below in either EPPlus or OpenOffice XML:
Microsoft.Office.Interop.Excel.Application app = new Microsoft.Office.Interop.Excel.Application();
string excelFileName = "Sample.xlsx";
string currentDirectory = Directory.GetCurrentDirectory();
string excelFilePath = System.IO.Path.Combine(currentDirectory, excelFileName);
app.Workbooks.Open(excelFilePath,
Type.Missing, Type.Missing, Type.Missing, Type.Missing,
Type.Missing, Type.Missing, Type.Missing, Type.Missing,
Type.Missing, Type.Missing, Type.Missing, Type.Missing,
Type.Missing, Type.Missing);
string xmlContent = string.Empty;
// Use the map (XSD inside the Excel file)
app.ActiveWorkbook.XmlMaps[1].ExportXml(out xmlContent);
app.Workbooks.Close();
Using Microsoft.Office.Interop.Excel.Application requires installation of Microsoft Office on the server. Is there any way around this other than installing Microsoft Engine?. Basically how to read XMLMap without office.Interop?
Thank you

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Exception de HRESULT : 0x800A03EC
I check my access to my file, and my IIS account have a full control on this. This is my code :
var excelApp = new Excel.Application();
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Type.Missing, Type.Missing, Type.Missing,
Type.Missing, Type.Missing, Type.Missing,
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Thanks

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Microsoft.Office.Interop.Excel.Application excel = new Microsoft.Office.Interop.Excel.Application();
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, Type.Missing,
true, Type.Missing, Type.Missing,
Type.Missing, Type.Missing, Type.Missing,
Type.Missing, Type.Missing, Type.Missing,
Type.Missing, Type.Missing, Type.Missing,
Type.Missing);
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We can attach document action pane to any excel file using Developer-> expansion pack-> Microsoft action pane -> attach.
Once the excel is saved and opening it again will have previously stored excel document.
I have an Excel file (refer image) and I wish to remove(detach) document action pane using inter op programming in c#. Is it possible do so?
code snippet :
Application xlApp = null;
try
{
xlApp = new Microsoft.Office.Interop.Excel.ApplicationClass();
string versionNo = xlApp.Version;
xlApp.Visible = true;
Microsoft.Office.Core.MsoAutomationSecurity mso = xlApp.AutomationSecurity;
xlApp.AutomationSecurity = Microsoft.Office.Core.MsoAutomationSecurity.msoAutomationSecurityForceDisable;
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}
Try this:
Microsoft.Office.Interop.Excel.Application.DisplayDocumentActionTaskPane = false;

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workbook = app.Workbooks.Open(#"C:\file.xlsx",
Type.Missing, Type.Missing, Type.Missing, Type.Missing,
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This code generated an xml file with the following problems :
1-cells of type date are generated as :
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I have a ASP.NET Web App which is copying a Report to an Excel Sheet by creating an HTML table and copying the contents.
I want to fit the Excel report into 1 page before firing the print option. This needs to be done programmatically while I'm generating the Excel workbook.
Following is the code that I used to open an Excel workbook and print it with custom printer settings:
Dim xl As New Excel.Application
xl.DisplayAlerts = False
xl.Workbooks.Open("<FilePath>", Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, _
Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing)
Dim sheet As Excel.Worksheet
Dim ws
Try
For Each ws In xl.ActiveWorkbook.Worksheets
ws.Select(Type.Missing)
With ws.PageSetup
.PaperSize = Excel.XlPaperSize.xlPaperA4
.Orientation = Excel.XlPageOrientation.xlLandscape
.Zoom = 80
.BottomMargin = 0.25
.LeftMargin = 0.25
.RightMargin = 0.25
.TopMargin = 0.25
.FitToPagesWide = 1
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ws.PrintOut(Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing)
Next
Catch exp As Exception
MsgBox("Unable to setup printing properties for the sheet." & Chr(13) & "Check if you have printer installed on your machine.", MsgBoxStyle.OKOnly)
Finally
xl.Workbooks.Close()
xl.Quit()
While (System.Runtime.InteropServices.Marshal.ReleaseComObject(xl) > 0)
''do nothing
End While
xl = Nothing
End Try

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