ASP.Net/ADO.net Database/OleDbDataAdapter — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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(нет различий)
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Текущая версия на 11:50, 26 мая 2010
Load data from Access database
<%@ Page Language=VB Debug=true %>
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.OLEDB" %>
<script runat=server>
Sub Page_Load(ByVal Sender as Object, ByVal E as EventArgs)
If Not IsPostBack Then
Dim DBConn as OleDbConnection
Dim DBCommand As OleDbDataAdapter
Dim DSPageData as New DataSet
"DBConn = New OleDbConnection( _
" "PROVIDER=Microsoft.Jet.OLEDB.4.0;" _
" & "DATA SOURCE=" _
" & Server.MapPath("EmployeeDatabase.mdb;"))
"DBConn = New OleDbConnection( _
" "PROVIDER=Microsoft.Jet.OLEDB.4.0;" _
" & "DATA SOURCE=" _
" & "c:\inetpub\wwwroot\EmployeeDatabase.mdb;")
DBConn = New OleDbConnection( _
"PROVIDER=Microsoft.Jet.OLEDB.4.0;" _
& "DATA SOURCE=" _
& MapPath("EmployeeDatabase.mdb;"))
DBCommand = New OleDbDataAdapter _
("Select LastName & ", " & FirstName " _
& "as EmpName, ID " _
& "From Employee " _
& "Order By LastName, FirstName", DBConn)
DBCommand.Fill(DSPageData, _
"Employee")
ddlEmps.DataSource = _
DSPageData.Tables("Employee").DefaultView
ddlEmps.DataBind()
End If
End Sub
</SCRIPT>
<HTML>
<HEAD>
<TITLE>Connecting to an Access Database</TITLE>
</HEAD>
<Body LEFTMARGIN="40">
<form runat="server">
<BR><BR>
<asp:dropdownlist
id="ddlEmps"
datatextfield="EmpName"
datavaluefield="ID"
runat="server"
/>
</form>
</BODY>
</HTML>
<A href="http://www.nfex.ru/Code/ASPDownload/EmployeeDatabase.zip">EmployeeDatabase.zip( 10 k)</a>