в 16:40, 26 мая 2010

2010-05-26T16:40:16Z

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2010-05-26T12:50:25Z

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==XmlReadMode.IgnoreSchema==

<source lang="vbnet">
Imports System
Imports System.Xml
Imports System.Xml.Schema
Imports System.IO
Imports System.Data

Public Class MainClass

Shared Sub Main()
Dim MyDS As New DataSet()
MyDS.ReadXmlSchema("book.xdr")
Console.WriteLine("Schema Loaded.")
Dim Table As DataTable
For Each Table In MyDS.Tables
Console.WriteLine("Table {0}, {1} Columns", _
Table.TableName, Table.Columns.Count)
Next
MyDS.ReadXml("book.xml", XmlReadMode.IgnoreSchema)
Console.WriteLine("Data Loaded.")
Console.WriteLine()
Dim Book As DataRow
For Each Book In MyDS.Tables("Book").Rows
Console.WriteLine("{0} : {1} - ${2}", Book("Title"))
Next
End Sub
End Class

"book.xdr
"<?xml version = "1.0"?>
"<Schema xmlns = "urn:schemas-microsoft-com:xml-data">
" <ElementType name = "title" content = "textOnly"
" model = "closed" />
" <ElementType name = "book" content = "eltOnly" model = "closed">
" <element type = "title" minOccurs = "1" maxOccurs = "1" />
" </ElementType>
" <ElementType name = "books" content = "eltOnly" model = "closed">
" <element type = "book" minOccurs = "0" maxOccurs = "*" />
" </ElementType>
"</Schema>
"File: book.xml
"<?xml version = "1.0"?>
"<books xmlns = "x-schema:book.xdr">
" <book>
" <title>C# How to Program</title>
" </book>
" <book>
" <title>Java How to Program, 4/e</title>
" </book>
" <book>
" <title>Visual Basic .NET How to Program</title>
" </book>
" <book>
" <title>Advanced Java 2 Platform How to Program</title>
" </book>
" <book>
" <title>Python How to Program</title>
" </book>
"</books>

</source>

==XmlReadMode.InferSchema==

<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>

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в 16:40, 26 мая 2010

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