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ASP 中的 Asp+语法介绍(六)----数据库篇

出处:互联网   整理: 软晨网（RuanChen.com）   发布: 2009-11-03   浏览: 86 ::
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  asp+ 给我们提供了一套数据表格和数据列表的控件。这些控件可以帮助我们定制我们UI(user interFace 用户界面)而不去考
虑一种数据库或者其他的数据库。例如：在下面的例子中，我们将要介绍一下<asp:datagrid runat=server>控件是怎么样通过
sql 语句给我们提供数据的
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.SQL" %>

<html>
   <head>
      <link rel="stylesheet"href="intro.css">
   </head>

   <script language="VB" runat=server>

       Sub SubmitBtn_Click(Sender As Object, E As EventArgs)

          Dim DS As DataSet
          Dim MyConnection As SQLConnection
          Dim MyCommand As SQLDataSetCommand
          '以下是数据库联结
          MyConnection = New SQLConnection("server=localhost;uid=sa;pwd=;database=pubs")
          MyCommand = New SQLDataSetCommand("select * from Titles where type='" +
Category.SelectedItem.Value + "'", myConnection)

          DS = new DataSet()
          MyCommand.FillDataSet(DS, "Titles")

          MyList.DataSource = DS.Tables("Titles").DefaultView
          MyList.DataBind()

       End Sub


   </script>

   <body>

       <center>

       <form action="intro75.aspx" method="post" runat="server">

           <asp:adrotator AdvertisementFile="ads.xml" BorderColor="black" BorderWidth=1 runat="server"/>

           <h3> Name: <asp:textbox id="Name" runat="server"/>

           Category:  <asp:dropdownlist id="Category" runat=server>
                         <asp:listitem >psychology</asp:listitem>
                         <asp:listitem >business</asp:listitem>
                         <asp:listitem >popular_comp</asp:listitem>
                      </asp:dropdownlist>

           <asp:button type=submit text="Lookup" OnClick="SubmitBtn_Click" runat="server"/>

           <p>

           <ASP:DataGrid id="MyList" HeaderStyle-BackColor="#aaaadd" BackColor="#ccccff" runat="server"/>

       </form>