利用c#制作简单的留言板(2)

2024-07-21 02:17:54

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myconn.cs
namespace notpage
{
using system;
using system.data.sql ;</p><p> /// <summary>
/// summary description for myconn.
/// </summary>
public class myconn:system.data.sql.sqlconnection
{
private void initializecomponent ()
{
}

public myconn()
{
//
// todo: add constructor logic here
//
this.database = "back" ;
this.datasource = "luochang" ;
this.userid = "sa" ;
this.password = "" ;
}
}
}
添加留言addtopic.aspx
<%@ page language="c#" codebehind="addtopic.cs" autoeventwireup="false" inherits="notpage.addtopic" %>
<html><head>
<meta content="microsoft visual studio 7.0" name=generator>
<meta content=c# name=code_language></head>
<body>
<form method=post runat="server">
<table cellspacing=1 cellpadding=1 width="88%" border=0>
<tr>
<td>留言主题：</td>
<td><asp:textbox id=txttitle runat="server" maxlength="80" columns="65"></asp:textbox></td></tr>
<tr>
<td>姓名：</td>
<td><asp:textbox id=txtauthor runat="server" maxlength="40" columns="20"></asp:textbox></td></tr>
<tr>
<td>留言内容</td>
<td><asp:textbox id=txtcontent runat="server" maxlength="2000" columns="50" rows="20" textmode="multiline"></asp:textbox><asp:button
id=btnsubmit runat="server"
text="确认"></asp:button></td></tr></table></form>

</body></html></p><p>对应的cs
namespace notpage
{
using system;
using system.collections;
using system.componentmodel;
using system.data;
using system.drawing;
using system.web;
using system.web.sessionstate;
using system.web.ui;
using system.web.ui.webcontrols;
using system.web.ui.htmlcontrols;</p><p> /// <summary>
/// summary description for addtopic.
/// </summary>
public class addtopic : system.web.ui.page
{
protected system.web.ui.webcontrols.textbox txtcontent;
protected system.web.ui.webcontrols.textbox txtauthor;
protected system.web.ui.webcontrols.textbox txttitle;
protected system.web.ui.webcontrols.button btnsubmit;

public addtopic()
{
page.init += new system.eventhandler(page_init);
}</p><p> protected void page_load(object sender, eventargs e)
{
if (!ispostback)
{
//
// evals true first time browser hits the page
//
}
}</p><p> protected void page_init(object sender, eventargs e)
{
//
// codegen: this call is required by the asp+ windows form designer.
//
initializecomponent();
}</p><p> /// <summary>
/// required method for designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void initializecomponent()
{
btnsubmit.click += new system.eventhandler (this.onsubmit);
this.load += new system.eventhandler (this.page_load);
}
public void onsubmit(object sender , eventargs e)
{

if (page.isvalid)
{
//数据入库
try
{

notepage objnp = new notepage();
objnp.title = txttitle.text;
objnp.author = txtauthor.text;
objnp.content = txtcontent.text;
objnp.adddate = system.datetime.now;
notepage objnp1 = new notepage();
if(objnp1.addtopic(objnp))
{

response.write ("<p align=center class=cn>成功留言，点击<a href = list.aspx>此处</a>查看留言列表！。</p>") ;
}
}
catch(exception exp)
{
#if debug
response.write ("出现异常：" + exp.message) ;
return ;
#endif//debug

}
}

}</p><p> }
}

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