VB.Net Tutorial/Database ADO.net/DataSet XML — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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(нет различий)
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Текущая версия на 12:56, 26 мая 2010
Load XML data to DataSet
Imports System.Data.SqlClient
Imports System.Data
Module Module1
Sub Main()
Try
Dim DS As New DataSet()
DS.ReadXml("Authors.XML")
Dim XMLContent As String = DS.GetXml()
Dim I As Integer
For I = 0 To DS.Tables(0).Rows.Count - 1
Console.WriteLine(DS.Tables(0).Rows(I).Item("Title"))
Console.WriteLine(DS.Tables(0).Rows(I).Item("Author"))
Console.WriteLine(DS.Tables(0).Rows(I).Item("Publisher"))
Console.WriteLine(DS.Tables(0).Rows(I).Item("Price"))
Next
Catch Ex As Exception
Console.WriteLine("Exception: " & Ex.Message)
Console.WriteLine(Ex.ToString)
End Try
End Sub
End Module
Save data in DataSet to xml file
Imports System.Data.SqlClient
Imports System.Data
Module Module1
Sub Main()
Try
Dim DS As New DataSet()
DS.ReadXml("Authors.XML")
Dim XMLContent As String = DS.GetXml()
Dim I As Integer
For I = 0 To DS.Tables(0).Rows.Count - 1
DS.Tables(0).Rows(I).Item("Author") = UCase(DS.Tables(0).Rows(I).Item("Author"))
Next
For I = 0 To DS.Tables(0).Rows.Count - 1
Console.WriteLine(DS.Tables(0).Rows(I).Item("Title"))
Console.WriteLine(DS.Tables(0).Rows(I).Item("Author"))
Console.WriteLine(DS.Tables(0).Rows(I).Item("Publisher"))
Console.WriteLine(DS.Tables(0).Rows(I).Item("Price"))
Next
DS.WriteXml("NewAuthors.xml")
Console.ReadLine()
Catch Ex As Exception
Console.WriteLine("Exception: " & Ex.Message)
Console.WriteLine(Ex.ToString)
End Try
End Sub
End Module