XML DataSet
Imports System.Data.SqlClient
Imports System.Windows.Forms
<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _
Partial Class XmlTest
Inherits System.Windows.Forms.Form
<System.Diagnostics.DebuggerStepThrough()> _
Private Sub InitializeComponent()
Me.grid = New System.Windows.Forms.DataGridView
Me.txtFile = New System.Windows.Forms.TextBox
Me.cmdRead = New System.Windows.Forms.Button
Me.cmdWrite = New System.Windows.Forms.Button
CType(Me.grid, System.ComponentModel.ISupportInitialize).BeginInit()
Me.SuspendLayout()
'
Me.grid.Anchor = CType((((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Bottom) _
Or System.Windows.Forms.AnchorStyles.Left) _
Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles)
Me.grid.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize
Me.grid.Location = New System.Drawing.Point(11, 43)
Me.grid.Name = "grid"
Me.grid.Size = New System.Drawing.Size(352, 212)
Me.grid.TabIndex = 8
'
Me.txtFile.Anchor = CType(((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Left) _
Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles)
Me.txtFile.Location = New System.Drawing.Point(11, 14)
Me.txtFile.Size = New System.Drawing.Size(160, 21)
Me.txtFile.TabIndex = 7
Me.txtFile.Text = "c:\DataSet.xml"
'
Me.cmdRead.Anchor = CType((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles)
Me.cmdRead.Location = New System.Drawing.Point(271, 12)
Me.cmdRead.Size = New System.Drawing.Size(92, 24)
Me.cmdRead.TabIndex = 6
Me.cmdRead.Text = "Read From XML"
'
Me.cmdWrite.Anchor = CType((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles)
Me.cmdWrite.Location = New System.Drawing.Point(183, 12)
Me.cmdWrite.Size = New System.Drawing.Size(84, 24)
Me.cmdWrite.TabIndex = 5
Me.cmdWrite.Text = "Write to XML"
'
'XmlTest
'
Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
Me.ClientSize = New System.Drawing.Size(375, 266)
Me.Controls.Add(Me.grid)
Me.Controls.Add(Me.txtFile)
Me.Controls.Add(Me.cmdRead)
Me.Controls.Add(Me.cmdWrite)
Me.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
Me.Name = "XmlTest"
Me.Text = "XmlTest"
CType(Me.grid, System.ComponentModel.ISupportInitialize).EndInit()
Me.ResumeLayout(False)
Me.PerformLayout()
End Sub
Friend WithEvents grid As System.Windows.Forms.DataGridView
Friend WithEvents txtFile As System.Windows.Forms.TextBox
Friend WithEvents cmdRead As System.Windows.Forms.Button
Friend WithEvents cmdWrite As System.Windows.Forms.Button
Private Sub cmdWrite_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdWrite.Click
Dim SQL As String = "SELECT * FROM Products"
Dim Connect As String = "Data Source=localhost;Integrated Security=True;Initial Catalog=Northwind;"
Dim con As New SqlConnection(Connect)
Dim cmd As New SqlCommand(SQL, con)
Dim adapter As New SqlDataAdapter(cmd)
Dim dsNorthwind As New DataSet()
con.Open()
adapter.Fill(dsNorthwind, "Products")
con.Close()
dsNorthwind.WriteXmlSchema(txtFile.Text & ".xsd")
dsNorthwind.WriteXml(txtFile.Text)
End Sub
Private Sub cmdRead_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdRead.Click
Dim dsNorthwind As New DataSet()
If System.IO.File.Exists(txtFile.Text) Then
dsNorthwind.ReadXml(txtFile.Text)
grid.DataSource = dsNorthwind.Tables(0)
Else
MessageBox.Show("You need to create this file first.")
End If
End Sub
End Class
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