в 16:40, 26 мая 2010

2010-05-26T16:40:06Z

Admin: 1 версия

2010-05-26T12:44:45Z

1 версия

Новая страница

==Use Alias to reference data==

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

Public Class MainClass

Shared Sub Main()
Try
" Define a connection object
Dim dbConn As New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Password=;User ID=Admin;Data Source=Employee.mdb")
" Create a data adapter to retrieve records from db
Dim strSELECT As String = "SELECT ID AS EmployeeID, FirstName AS FirstName, LastName AS LastName FROM Employee"
Dim daUsers As New OleDbDataAdapter(strSELECT, dbConn)
Dim dsUsers As New DataSet("Employee")
" Fill the dataset
daUsers.Fill(dsUsers)
" Go through the records and print them using the mapped names
Dim r As DataRow
For Each r In dsUsers.Tables(0).Rows
Console.WriteLine("ID: {0}, FirstName: {1}, LastName: {2}", r("EmployeeID"), r("FirstName"), r("LastName"))
Next
Catch ex As Exception
" An error occurred. Show the error message
Console.WriteLine(ex.Message)
End Try
End Sub
End Class

</source>
<A href="http://www.vbex.ru/Code/VBDownload/Employee.zip">Employee.zip( 7 k)</a>

← Предыдущая	Версия 16:40, 26 мая 2010
(нет различий)

VB.Net/Database ADO.net/Alias - История изменений

в 16:40, 26 мая 2010

Admin: 1 версия