利用C#制作简单的留言板(2)

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>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; /// <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);

} protected void Page_Load(object sender, EventArgs e)

{

if (!IsPostBack)

{

//

// Evals true first time browser hits the page

//

}

} protected void Page_Init(object sender, EventArgs e)

{

//

// CODEGEN: This call is required by the ASP+ Windows Form Designer.

//

InitializeComponent();

} /// <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 ("成功留言，点击<a href = list.aspx>此处</a>查看留言列表！。") ;

}}

catch(Exception exp)

{

#if DEBUG

Response.Write ("出现异常：" + exp.Message) ;

return ;

#endif//DEBUG

}}

} }

}

显示列表list.aspx

<%@ Page language="c#" Codebehind="list.cs" AutoEventWireup="false" Inherits="notpage.list" %>

<html><head>

<meta name="GENERATOR" Content="Microsoft Visual Studio 7.0">

<meta name="CODE_LANGUAGE" Content="C#"></head>

<body>

<form method="post" runat="server"> </form><a href = "addTopic.aspx">发表留言</a> 

<TABLE WIDTH="90%" HEIGHT="1" BORDER="0" CELLSPACING="2" CELLPADDING="2" id=liuyan>

<TR>

<TD>主题</TD>

<TD>留言人</TD>

<TD>留言时间</TD>

</TR>

<asp:label id="n_tdtitle" runat=Server></asp:label>

</TABLE> </body></html>

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; 

/// <summary>

/// Summary description for list.

/// </summary>

public class list : System.Web.UI.Page

{protected System.Web.UI.WebControls.Label n_tdtitle;

public list()

{Page.Init += new System.EventHandler(Page_Init);

} protected void Page_Load(object sender, EventArgs e)

{if (!IsPostBack)

{

//

// Evals true first time browser hits the page

//

}

} protected void Page_Init(object sender, EventArgs e)

{

//

// CODEGEN: This call is required by the ASP+ Windows Form Designer.

//

InitializeComponent();

Init_tdtitle();

 }

 /// <summary>

/// Required method for Designer support - do not modify

/// the contents of this method with the code editor.

/// </summary>

private void InitializeComponent()

{

this.Load += new System.EventHandler (this.Page_Load);

}protected void Init_tdtitle()

{InitializeComponent();

//

// CODEGEN: This call is required by the ASP+ Windows Form Designer.

//

try

{ notepage np = new notepage(); ArrayList arrTopic = np.GetTopicList();

for ( int i = 0 ; i < arrTopic.Count ; i ++)

{

notepage objTopic = (notepage)arrTopic[i] ;

string str ="<tr><td><a href = showTopic.aspx?id="+objTopic.ID.ToString()+">" + objTopic.Title.ToString() + "</a></td>";

str = str +"<td>" + objTopic.Author.ToString()+"</td>";

str = str +"<td>" + objTopic.adddate.ToString()+"</td></tr>";

n_tdtitle.Text = str + n_tdtitle.Text;

}}

catch(Exception e)

{throw(new Exception("取得贴子列表出错：" + e.ToString())) ;

} }

}

}

查看留言内容showtopic.aspx

<%@ Page language="c#" Codebehind="showTopic.cs" AutoEventWireup="false" Inherits="notpage.showTopic" %>

<html><head>

<meta content="Microsoft Visual Studio 7.0" name=GENERATOR>

<meta content=C# name=CODE_LANGUAGE></head>

<body>

<form method=post runat="server">

察看留言 

留言主题：<asp:label id=n_tdtitle runat="Server" forecolor="Black"></asp:label>

 留言时间：<asp:label id=n_tdAdddate runat="Server" forecolor="Black"></asp:label> 留言人：

<asp:label

id=n_tdAuthor runat="server" forecolor="Black"></asp:label> 留言内容：<asp:label id=n_tdContent

runat="Server" forecolor="Black"></asp:label> </form>

</body></html>

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; /// <summary>

/// Summary description for showTopic.

/// </summary>

public class showTopic : System.Web.UI.Page

{

protected System.Web.UI.WebControls.Label n_tdAuthor;

protected System.Web.UI.WebControls.Label td;

protected System.Web.UI.WebControls.Label n_tdContent;

protected System.Web.UI.WebControls.Label n_tdAdddate;

protected System.Web.UI.WebControls.Label n_tdtitle;

protected System.Web.UI.WebControls.Label n_ttitle;

public showTopic()

{Page.Init += new System.EventHandler(Page_Init);

} protected void Page_Load(object sender, EventArgs e)

{

if (!IsPostBack)

{

//

// Evals true first time browser hits the page

//

}

} protected void Page_Init(object sender, EventArgs e)

{

//

// CODEGEN: This call is required by the ASP+ Windows Form Designer.

//

int int_ID;

int_ID = Request.QueryString["ID"].ToInt32();

notepage np = new notepage();

notepage objNp = np.GetTopic(int_ID);

n_tdtitle.Text = objNp.Title.ToString();

n_tdContent.Text = objNp.Content.ToString();

n_tdAuthor.Text = objNp.Author.ToString();

n_tdAdddate.Text = objNp.adddate.ToString();

InitializeComponent();

} /// <summary>

/// Required method for Designer support - do not modify

/// the contents of this method with the code editor.

/// </summary>

private void InitializeComponent()

{

this.Load += new System.EventHandler (this.Page_Load);

}}}

posted on 2006-05-10 17:34 猫阅读(420) 评论(0) 收藏举报

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