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asp.net 连接数据库基础
作者:武汉SEO闵涛  文章来源:敏韬网  点击数689  更新时间:2009/4/23 10:40:50  文章录入:mintao  责任编辑:mintao
 

''''ASP.net连接access数据库例程
<%@ Import Namespace="System.Data" %>
<%@ Import NameSpace="System.Data.OleDb" %>
<script laguage="VB" runat="server">
Dim myConnection As OleDbConnection
Dim myCommand As OleDbCommand
sub page_load(sender as Object,e as EventArgs)
''''1.连接数据库
dim dbname as string
dbname=server.mappath("authors.mdb")
myConnection = New OleDbConnection( "PROVIDER=Microsoft.Jet.OLEDB.4.0;DATA Source="&dbname )
myConnection.Open()
la1.text="Connection Opened!"

''''2.添加记录
myCommand = New OleDbCommand( "Insert INTO Authors(Authors,country) Values(''''Simson'''',''''usa'''')", myConnection )
myCommand.ExecuteNonQuery()
la2.text="New Record Inserted!"

''''3 更新数据(Access)
myCommand = New OleDbCommand( "UPDATE Authors SET Authors=''''Bennett'''' WHERE Authors = ''''Simson''''", myConnection )
myCommand.ExecuteNonQuery()
la3.text="Record Updated!"

''''4 删除数据(access)
myCommand = New OleDbCommand( "DELETE FROM Authors WHERE Authors = ''''David''''", myConnection )
myCommand.ExecuteNonQuery()
la4.text="Record Deleted!"

''''5 使用DateGrid显示数据
myCommand = New OleDbCommand( "select * FROM Authors", myConnection )
MyDataGrid.DataSource=myCommand.Executereader()
MyDataGrid.DataBind()

end sub
</script>
<html>
<body>
<asp:label id="la1" runat="server" /><br>
<asp:label id="la2" runat="server" /><br>
<asp:label id="la3" runat="server" /><br>
<asp:label id="la4" runat="server" /><br>
<ASP:DataGrid id="MyDataGrid" runat="server"
BorderColor="black"
BorderWidth="1"
GridLines="Both"
CellPadding="3"
CellSpacing="0"
Font-Name="Verdana"
Font-Size="10pt"
HeaderStyle-BackColor="#aaaadd"
AlternatingItemStyle-BackColor="#eeeeee"
>
</asp:DataGrid>

</body>
</html>

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