📄 dropdownlist.aspx

📁 asp.net技术内幕的书配源码

💻 ASPX

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<%@ Import Namespace="System.Data.SqlClient" %>

<Script Runat="Server">

Sub Page_Load
  If Not IsPostBack Then
    Dim conPubs As SqlConnection
    Dim cmdSelect As SqlCommand
    Dim dtrAuthors As SqlDataReader

    conPubs = New SqlConnection( "Server=localhost;UID=sa;PWD=secret;Database=Pubs" )
    conPubs.Open()
    cmdSelect = New SqlCommand( "Select au_lname From Authors", conPubs )
    dtrAuthors = cmdSelect.ExecuteReader()

    dropAuthors.DataSource = dtrAuthors
    dropAuthors.DataTextField = "au_lname"
    dropAuthors.DataBind()

    dtrAuthors.Close()
    conPubs.Close()
  End If
End Sub

</Script>

<html>
<head><title>DropDownList.aspx</title></head>
<body>
<form Runat="Server">

<asp:DropDownList
  ID="dropAuthors"
  Runat="Server" />

<asp:Button
  Text="Pick Author!"
  Runat="Server" />

</form>
</body>
</html>

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