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How to create an Excel file from XML

XML is a platform independent language, so the information formatted in XML can be used in any other platforms (Operating Systems). XML is a self describing language and it gives the data as well as the rules to identify what the data it contains.

Here we are going to read from an XML file content and write the same content to an Excel file. Using an XmlReader for read the XML file to the Dataset . Loop through the Dataset and add the content to the Excel file . For create an excel file you have to add reference of Excel library to you project .




Imports System.Xml
Imports System.Data
Imports Excel = Microsoft.Office.Interop.Excel
Public Class Form1
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim xlApp As Excel.Application
        Dim xlWorkBook As Excel.Workbook
        Dim xlWorkSheet As Excel.Worksheet
        Dim misValue As Object = System.Reflection.Missing.Value

        Dim ds As New DataSet
        Dim xmlFile As XmlReader
        Dim i, j As Integer

        xlApp = New Excel.ApplicationClass
        xlWorkBook = xlApp.Workbooks.Add(misValue)
        xlWorkSheet = xlWorkBook.Sheets("sheet1")

        xmlFile = XmlReader.Create("Product.xml", New XmlReaderSettings())
        ds.ReadXml(xmlFile)

        For i = 0 To ds.Tables(0).Rows.Count - 1
            For j = 0 To ds.Tables(0).Columns.Count - 1
                xlWorkSheet.Cells(i + 1, j + 1) = _
                ds.Tables(0).Rows(i).Item(j)
            Next
        Next

        xlWorkSheet.SaveAs("xml2excel.xlsx")
        xlWorkBook.Close()
        xlApp.Quit()

        releaseObject(xlApp)
        releaseObject(xlWorkBook)
        releaseObject(xlWorkSheet)
    End Sub

    Private Sub releaseObject(ByVal obj As Object)
        Try
            System.Runtime.InteropServices.Marshal.ReleaseComObject(obj)
            obj = Nothing
        Catch ex As Exception
            obj = Nothing
        Finally
            GC.Collect()
        End Try
    End Sub
End Class

Click here to download the input file product.xml






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