How to add Data in Existing XML file

Question

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I have Xml File

XML

<?xml version="1.0" encoding="utf-8"?>
<Details>
    <DATA>
        <Signature_Key>132</Signature_Key>
        <License_Key>54</License_Key>
        <Company_Name>Test Automation Services</Company_Name>
        <Machine_Name>Test-PC</Machine_Name>
        <Date_And_Time>13/09/2013 5:46:19 PM</Date_And_Time>
    </DATA>
</Details>

Now, I want to add One more data which are user manually insert from textbox,
So , i am searching for function, in which I pass all value (Xml path,sign_key, Licen_key, Cmpan_name, machinename) as
parameter and I can add one more data in existing XMl.

I try this function, But its showing Error.. Kindly help me!!

C#

Public Sub AppendData(ByVal FilePath As String, ByVal signature As String, ByVal Licencekey As String, ByVal ComapnyNam As String, ByVal Machine_Name As String)


        Dim document As XDocument

        If File.Exists(FilePath) Then
            Using stream As IsolatedStorageFileStream = File.Open(FilePath, FileMode.Open)
                document = XDocument.Load(stream)
            End Using
            Stream.Close()
        Else
            document = XDocument.Load(FilePath)
        End If

        Dim root = New XElement("book")
        Dim sign = New XElement("Signature_Key", signature)
        Dim license = New XElement("License_Key", Licencekey)
        Dim comName = New XElement("Company_Name", ComapnyNam)
        Dim MachName = New XElement("Machine_Name", Machine_Name)
        Dim _Date = New XElement("Date_And_Time", DateAndTime.Now)



        root.Add(sign, license, comName, MachName, _Date)
        document.Root.Add(root)



        Using stream As IsolatedStorageFileStream = File.Create(FilePath)
            document.Save(FilePath)
        End Using





    End Sub

Posted 13-Sep-13 2:34am

Varun_nayak

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Comments

Maciej Los 13-Sep-13 8:40am

What kind of error?

2 solutions

Solution 2

this is the right solution, I get with help of @salman622

VB

Public Sub AppendData(ByVal FilePath As String, ByVal signature As String, ByVal Licencekey As String, ByVal ComapnyNam As String, ByVal Machine_Name As String)


        Dim document As XDocument
        If File.Exists(FilePath) Then
            document = XDocument.Load(FilePath)
        Else
            MessageBox.Show("No such file Exists'")
        End If
        Dim root = New XElement("Data")
        Dim sign = New XElement("Signature_Key", signature)
        Dim license = New XElement("License_Key", Licencekey)
        Dim comName = New XElement("Company_Name", ComapnyNam)
        Dim MachName = New XElement("Machine_Name", Machine_Name)
        Dim _Date = New XElement("Date_And_Time", DateAndTime.Now)
        root.Add(sign, license, comName, MachName, _Date)

        document.Root.Add(root)
        document.Save(FilePath)



    End Sub

Posted 13-Sep-13 19:03pm

Varun_nayak

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Salman622 · Accepted Answer · 2013-09-13T02:47:00

Assuming you have the original document:

VB

var doc = XDocument.Load(...);

then create a new element (not a document)

VB

var newElement =  new XElement("books",
                   new XElement("Signature_Key", Signature),
                   new XElement("License_Key", Licencekey),
                   new XElement("Company_Name", ComapnyNam),
                   new XElement("Machine_Name", Machine_Name);
                   new XElement("Date_And_Time", DateAndTime.Now);

And then insert it:

VB

doc.Element("stock").Add(newElement);

doc.Save(....);