VB.Net/XML/XML DataGrid
Read data from XML and display in DataGrid
<source lang="vbnet"> Imports System Imports System.IO Imports System.Data Imports System.Data.SqlClient Imports System.Configuration Imports System.Xml Imports System.Windows.Forms public class MainClass
Shared Sub Main()
Dim form1 As Form = New Form1
Application.Run(form1)
End Sub
End Class
Public Class Form1
Inherits System.Windows.Forms.Form
- Region " Windows Form Designer generated code "
Public Sub New()
MyBase.New()
"This call is required by the Windows Form Designer.
InitializeComponent()
"Add any initialization after the InitializeComponent() call
End Sub
"Form overrides dispose to clean up the component list.
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing Then
If Not (components Is Nothing) Then
components.Dispose()
End If
End If
MyBase.Dispose(disposing)
End Sub
"Required by the Windows Form Designer
Private components As System.ruponentModel.IContainer
"NOTE: The following procedure is required by the Windows Form Designer
"It can be modified using the Windows Form Designer.
"Do not modify it using the code editor.
Friend WithEvents btnConfigXML As System.Windows.Forms.Button
Friend WithEvents XmlGrid As System.Windows.Forms.DataGrid
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.btnConfigXML = New System.Windows.Forms.Button
Me.XmlGrid = New System.Windows.Forms.DataGrid
CType(Me.XmlGrid, System.ruponentModel.ISupportInitialize).BeginInit()
Me.SuspendLayout()
"
"btnConfigXML
"
Me.btnConfigXML.Location = New System.Drawing.Point(16, 27)
Me.btnConfigXML.Name = "btnConfigXML"
Me.btnConfigXML.Size = New System.Drawing.Size(75, 37)
Me.btnConfigXML.TabIndex = 2
Me.btnConfigXML.Text = "Configure XML"
"
"XmlGrid
"
Me.XmlGrid.DataMember = ""
Me.XmlGrid.HeaderForeColor = System.Drawing.SystemColors.ControlText
Me.XmlGrid.Location = New System.Drawing.Point(112, 8)
Me.XmlGrid.Name = "XmlGrid"
Me.XmlGrid.Size = New System.Drawing.Size(304, 336)
Me.XmlGrid.TabIndex = 3
"
"Form1
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(424, 349)
Me.Controls.Add(Me.XmlGrid)
Me.Controls.Add(Me.btnConfigXML)
Me.Name = "Form1"
Me.Text = "XML Demo"
CType(Me.XmlGrid, System.ruponentModel.ISupportInitialize).EndInit()
Me.ResumeLayout(False)
End Sub
- End Region
Private Sub form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Try
Dim ds As New DataSet
ds.ReadXml("XMLFileOut.xml", XmlReadMode.InferSchema)
XmlGrid.SetDataBinding(ds, "Employee")
Catch ex As SqlException
MessageBox.Show(ex.Message)
End Try
End Sub
End Class
</source>
XMLReader and DataGrid
<source lang="vbnet"> Imports System Imports System.IO Imports System.Data Imports System.Data.SqlClient Imports System.Configuration Imports System.Xml Imports System.Windows.Forms public class MainClass
Shared Sub Main()
Dim form1 As Form = New Form1
Application.Run(form1)
End Sub
End Class
Public Class Form1
Inherits System.Windows.Forms.Form
- Region " Windows Form Designer generated code "
Public Sub New()
MyBase.New()
"This call is required by the Windows Form Designer.
InitializeComponent()
"Add any initialization after the InitializeComponent() call
End Sub
"Form overrides dispose to clean up the component list.
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing Then
If Not (components Is Nothing) Then
components.Dispose()
End If
End If
MyBase.Dispose(disposing)
End Sub
"Required by the Windows Form Designer
Private components As System.ruponentModel.IContainer
"NOTE: The following procedure is required by the Windows Form Designer
"It can be modified using the Windows Form Designer.
"Do not modify it using the code editor.
Friend WithEvents btnConfigXML As System.Windows.Forms.Button
Friend WithEvents XmlGrid As System.Windows.Forms.DataGrid
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.btnConfigXML = New System.Windows.Forms.Button
Me.XmlGrid = New System.Windows.Forms.DataGrid
CType(Me.XmlGrid, System.ruponentModel.ISupportInitialize).BeginInit()
Me.SuspendLayout()
"
"btnConfigXML
"
Me.btnConfigXML.Location = New System.Drawing.Point(16, 27)
Me.btnConfigXML.Name = "btnConfigXML"
Me.btnConfigXML.Size = New System.Drawing.Size(75, 37)
Me.btnConfigXML.TabIndex = 2
Me.btnConfigXML.Text = "Configure XML"
"
"XmlGrid
"
Me.XmlGrid.DataMember = ""
Me.XmlGrid.HeaderForeColor = System.Drawing.SystemColors.ControlText
Me.XmlGrid.Location = New System.Drawing.Point(112, 8)
Me.XmlGrid.Name = "XmlGrid"
Me.XmlGrid.Size = New System.Drawing.Size(304, 336)
Me.XmlGrid.TabIndex = 3
"
"Form1
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(424, 349)
Me.Controls.Add(Me.XmlGrid)
Me.Controls.Add(Me.btnConfigXML)
Me.Name = "Form1"
Me.Text = "XML Demo"
CType(Me.XmlGrid, System.ruponentModel.ISupportInitialize).EndInit()
Me.ResumeLayout(False)
End Sub
- End Region
Private Sub btnConfigXML_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnConfigXML.Click
" Create connection
Dim thisConnection As New SqlConnection("Server=(local)\SQLEXPRESS;Initial Catalog=MyDatabase;Integrated Security=SSPI")
" Query string
Dim sql As String = _
"SELECT ID, LastName " & _
"FROM Employee " & _
"FOR XML AUTO"
" Create Connection
Dim thisCommand As New SqlCommand(sql, thisConnection)
Try
thisConnection.Open()
Dim reader As XmlReader = thisCommand.ExecuteXmlReader()
Dim ds As New DataSet
ds.ReadXml(reader, XmlReadMode.InferSchema)
XmlGrid.DataSource = ds
Catch ex As SqlException
MessageBox.Show(ex.Message)
Finally
thisConnection.Close()
End Try
End Sub
End Class
</source>
