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作者： 整理

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();
}
}