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Asp.net连接数据实例(ACCESS版)

点击次数:992  更新日期:2010-12-28
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”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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