留言板分三个模块：列出留言列表、显示详细内容、发表留言
notepage.cs
namespace notpage
{
using System;
using System.Data.SQL ;
using System.Data ;
using System.Collections ;
/// <summary>
/// Summary description for notepage.
/// </summary>
public class notepage
{
//私有变量
private int n_intID ; //ID编号
private string n_strTitle ; //主题
private string n_strAuthor ; //留言人
private string n_strContent ; //留言内容
private DateTime n_dateTime ; //留言时间
//属性
public int ID
{
get
{
return n_intID ;
}
set
{
n_intID = value;
}
}
public string Title
{
get
{
return n_strTitle ;
}
set
{
n_strTitle = value;
}
}
public string Author
{
get
{
return n_strAuthor ;
}
set
{
n_strAuthor = value ;
}
}
public string Content
{
get
{
return n_strContent ;
}
set
{
n_strContent = value ;
}
}
public DateTime adddate
{
get
{
return n_dateTime;
}
set
{
n_dateTime = value;
}
}
//构造函数
public notepage()
{
//
// TODO: Add Constructor Logic here
//
this.n_intID = 0 ;
this.n_strTitle = "" ;
this.n_strAuthor = "" ;
this.n_strContent = "" ;
this.n_dateTime = System.DateTime.Now;
}
/// <summary>
///
/// 取得留言的内容
///
/// </summary>
/// <param name="a_intID"> </param>
public notepage GetTopic(int a_intID)
{
//
// TODO: Add Constructor Logic here
//
//读取数据库
myconn myConn = new myconn();
SQLCommand myCommand = new SQLCommand() ;
myCommand.ActiveConnection = myConn ;
myCommand.CommandText = "n_GetTopicInfo" ; //调用存储过程
myCommand.CommandType = CommandType.StoredProcedure ;
myCommand.Parameters.Add(new SQLParameter("@a_intTopicID"
, SQLDataType.Int)) ;
myCommand.Parameters["@a_intTopicID"].Value = a_intID
;
notepage objNp = new notepage();
try
{
myConn.Open() ;
SQLDataReader myReader ;
myCommand.Execute(out myReader) ;
if (myReader.Read())
{
objNp.ID = (int)myReader["ID"] ;
objNp.Title = (string)myReader["Title"] ;
objNp.Author = (string)myReader["Author"] ;
objNp.Content = (string)myReader["Content"];
objNp.adddate = (DateTime)myReader["adddate"];
}
//清场
myReader.Close();
myConn.Close() ;
}
catch(Exception e)
{
throw(new Exception("取贴子失败:" + e.ToString())) ;
}
return objNp;
}
/// <summary>
///
/// 目的：将留言的内容入库
///
/// 利用构造函数来传递信息
///
/// </summary>
/// <param name="n_Topic"> </param>
public bool AddTopic(notepage n_Topic)
{
//
// TODO: Add Constructor Logic here
//
//读取数据库
myconn myConn = new myconn();
SQLCommand myCommand = new SQLCommand() ;
myCommand.ActiveConnection = myConn ;
myCommand.CommandText = "n_addTopic" ; //调用存储过程
myCommand.CommandType = CommandType.StoredProcedure ;
myCommand.Parameters.Add(new SQLParameter("@a_strTitle"
, SQLDataType.VarChar,100)) ;
myCommand.Parameters["@a_strTitle"].Value = n_Topic.Title
;
myCommand.Parameters.Add(new SQLParameter("@a_strAuthor"
, SQLDataType.VarChar,50)) ;
myCommand.Parameters["@a_strAuthor"].Value = n_Topic.Author
;
myCommand.Parameters.Add(new SQLParameter("@a_strContent"
, SQLDataType.VarChar,2000)) ;
myCommand.Parameters["@a_strContent"].Value = n_Topic.Content
;
try
{
myConn.Open() ;
myCommand.ExecuteNonQuery() ;
//清场
myConn.Close() ;
}
catch(Exception e)
{
throw(new Exception("取贴子失败:" + e.ToString())) ;
}
return true;
}
/// <summary>
/// 取的贴子列表
/// </summary>
/// <remarks>
/// 返回一个Topic数组
/// </remarks>
public ArrayList GetTopicList()
{
//定义一个forum数组做为返回值
ArrayList arrForumList =new ArrayList() ;
//从数据库中读取留言列表
myconn myConn = new myconn();
SQLCommand myCommand = new SQLCommand() ;
myCommand.ActiveConnection = myConn ;
myCommand.CommandText = "n_GetTopicList" ; //调用存储过程
myCommand.CommandType = CommandType.StoredProcedure ;
try
{
myConn.Open() ;
SQLDataReader myReader ;
myCommand.Execute(out myReader) ;
for (int i = 0 ; myReader.Read() ; i++)
{
notepage objItem = new notepage() ;
objItem.ID = myReader["ID"].ToString().ToInt32() ;
objItem.Title = myReader["Title"].ToString() ;
objItem.Author = myReader["Author"].ToString() ;
objItem.adddate = myReader["adddate"].ToString().ToDateTime();
objItem.Content = myReader["Content"].ToString();
arrForumList.Add(objItem) ;
}
//清场
myReader.Close();
myConn.Close() ;
}
catch(SQLException e)
{
throw(new Exception("数据库出错:" + e.ToString())) ;
//return null ;
}
return arrForumList ;
}
}
}
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> }
}
