我写的第一个ASP.NET"组件"-ASP教程,ASP应用

demo.aspx代码：

<%@ inherits="featuredproduct" %>

<script language="c#" runat="server">

void btnsetbgcolor_click(object s,eventargs e)

{

setbackcalor(txtbgcolor.text);

}

void btnsubmit_click(object s,eventargs e)

{

add(txtusername.text,txtcontent.text);

}

</script>

<table width="200" cellpadding="10"

cellspacing="0" bgcolor="<%=backcolor%>">

<tr>

<td>

<h3>blenders on sale!</h3>

see our selection of blenders in the

home appliance deparment.

</td>

</tr>

</table>

<form runat="server">

输入颜色：

<asp:textbox id="txtbgcolor" runat="server"/>

<asp:button id="btnsetbgcolor" onclick="btnsetbgcolor_click" text="设置颜色" runat="server"/>

<br>

username:

<asp:textbox id="txtusername" runat="server"/>

<br>

content:

<asp:textbox id="txtcontent" runat="server"/>

<br>

<asp:button id="btnsubmit" onclick="btnsubmit_click" text="提交留言" runat="server"/>

</form>

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featuredproduct.cs代码：

using system;

using system.data;

using system.data.oledb;

using system.web.ui;

using system.web.ui.webcontrols;

public class featuredproduct : system.web.ui.page

{

public string backcolor = "lightgreen";

public void setbackcalor(string str)

{

backcolor = str;

}

public void add(string username,string content)

{

oledbconnection conconnection = new oledbconnection("provider=microsoft.jet.oledb.4.0;data source=" + server.mappath("./db1.mdb") );

oledbcommand cmdcommand = new oledbcommand("insert into guestbook (username,content) values(" + username + "," + content + ")", conconnection);

conconnection.open();

cmdcommand.executenonquery();

conconnection.close();

}

}