.NET学习笔记

来源：互联网发布：淘宝代金券用不了编辑：程序博客网时间：2024/06/05 22:50

文件web.config

<?xml version="1.0" encoding="utf-8"?>

<system.web>

</system.web>

</appSettings>

</configuration>

1.用户控件的调用方法
文件s.aspx

<%@ Register TagPrefix="kjX" TagName="db" Src="db.ascx" %>

<kjX:db id="db1" runat="server"></kjX:db>

<kjX:db id="db2" runat="server"></kjX:db>

文件db.ascx

<div id="h_db" align="center">www.baidu.com</div>

2.Title

void Page_Load() {

a_bt.InnerHtml=ConfigurationSettings.AppSettings["名称"];

}

</script>

3.XMl文件
dht.xml

<?xml version="1.0" encoding="gb2312"?>

<导航条>

<项>

<文本>网站首页</文本>

<链接>http://www.baidu.com</链接>

</项>

<项>

<文本>我的资料</文本>

<链接>http://www.baidu.com/</链接>

</项>

<项>

<文本>给我写信</文本>

<链接>mail:hongjianghong@163.com</链接>

</项>

</导航条>

<%@ Import NameSpace="System.Data" %>

DataSet dht = new DataSet();

dht.ReadXml(Server.MapPath("dht.xml"));

foreach(DataRow h in dht.Tables[0].Rows)

a_dh.Text+="<a href=""+h["链接"].ToString()+"" target="_blank">"+h["文本"].ToString()+"</a> ";

<%@ Import NameSpace="System.Data" %>

<%@ Import NameSpace="System.Data.OleDb" %>

<%@ Register TagPrefix="kj" TagName="tb" Src="tb.ascx" %>

<%@ Register TagPrefix="kj" TagName="db" Src="db.ascx" %>

<html>

<head>

<title id="a_bt" runat="server">dotnet.2xd.cn</title>

</head>

<body>

<kj:tb runat="server" />

<asp:Repeater ID="a_xsly" runat="server">

</headertemplate>

<tr>

<dt><asp:Image ID="a_tx" ImageUrl='<%# DataBinder.Eval(Container.DataItem,"头像","images/tx/{0}.gif") %>' ToolTip="头像" runat="server" /></dt>

<dt>邮箱：<asp:HyperLink ToolTip="给我写信" NavigateUrl='<%# DataBinder.Eval(Container.DataItem,"邮箱","mailto:{0}") %>' Text="发送邮件" runat="server" /></dt>

<dt>主页：<asp:HyperLink ToolTip="访问我的主页" Target="_blank" NavigateUrl='<%# DataBinder.Eval(Container.DataItem,"主页") %>' Text="点此访问" runat="server" /></dt>

<dt>我QQ：<asp:HyperLink ToolTip='<%# DataBinder.Eval(Container.DataItem,"QQ") %>' Text="给我留言" NavigateUrl='<%# DataBinder.Eval(Container.DataItem,"QQ","http://wpa.qq.com/msgrd?V=1&Uin={0}&Site=www.2xd.cn&Menu=yes") %>' Target="_blank" runat="server" /></dt>

</dl>

</td>

<td>

</div>

<%# glyhf(ubb(DataBinder.Eval(Container.DataItem,"回复内容")),DataBinder.Eval(Container.DataItem,"回复时间")) %>

</td>

</tr>

</table>

<p />

</itemtemplate>

</footertemplate>

</asp:Repeater>

</div>

</dl>

</div>

<asp:ImageButton ID="a_tjly" ToolTip="发布留言" runat="server" ImageUrl="images bly.gif" OnClick="tjly" />

</div>

</div>

<dl>

<dt><a href="#" onClick="cr(a_lynr,'img','1');return false;">贴图</a> <a href="#" onClick="cr(a_lynr,'mail','1');return false;">邮件</a> <a href="#" onClick="cr(a_lynr,'move','1');return false;">飞字</a> <a href="#" onClick="cr(a_lynr,'flash','1');return false;">flash</a></dt>

</dl>

</div>

<kj:db runat="server" />

</form>

</body>

</html>

void Page_Load() {

if(!Page.IsPostBack) {

if(Session["管理"]!=null)

a_zz.Text=Session["管理"].ToString();

sjtc();

ymtc();

a_bt.InnerHtml=ConfigurationSettings.AppSettings["留言本名称"];

}

void sjtc() {

OleDbConnection lj = new OleDbConnection("Provider=Microsoft.Jet.OleDb.4.0;Data Source="+Server.MapPath("lyb.mdb"));

OleDbDataAdapter ml = new OleDbDataAdapter("select * from 留言 order by 编号 desc",lj);

DataSet sj = new DataSet();

ml.Fill(sj);

int zs=sj.Tables[0].Rows.Count; //总记录数

int fys=int.Parse(ConfigurationSettings.AppSettings["每页记录数"]);

int ys=zs/fys; //总页数

if(zs%fys!=0)

ys++;

PagedDataSource fy = new PagedDataSource();

fy.DataSource = sj.Tables[0].DefaultView;

fy.AllowPaging = true;

fy.PageSize = fys;

int y;

try {

y=int.Parse(Request.QueryString["y"]);

}

catch {

y=1;

}

fy.CurrentPageIndex=y-1;

a_xsly.DataSource=fy;

a_xsly.DataBind();

HyperLink s=null,x=null;

s=(HyperLink)a_xsly.Controls[a_xsly.Controls.Count-1].FindControl("a_sy");

x=(HyperLink)a_xsly.Controls[a_xsly.Controls.Count-1].FindControl("a_xy");

if(!fy.IsFirstPage)

s.NavigateUrl="index.aspx?y="+(y-1);

if(!fy.IsLastPage)

x.NavigateUrl="index.aspx?y="+(y+1);

((Label)a_xsly.Controls[a_xsly.Controls.Count-1].FindControl("a_sltj")).Text="共有 <span class="hsz">"+zs+"</span> 条留言/ <span class="hsz">"+ys+"</span> 个页面  当前是第 <span class="hsz">"+y+"</span> 页(<span class="hsz">"+a_xsly.Items.Count+"</span> 条留言) <a href="index.aspx">首页</a> <a href="index.aspx?y="+ys+"">尾页</a>";

}

void ymtc() {

a_tb.Text="";

for(int i=1;i<=48;i++)

a_tb.Text+="<input type="image" src="images/tb/"+i+".gif" onclick="cr(this.form.a_lynr,'"+i+"',2);return false;" /> ";

for(int i=0;i<=int.Parse(ConfigurationSettings.AppSettings["头像数"]);i++)

a_tx.Items.Add(i.ToString());

a_tx.DataBind();

}

string glyhf(string bl1,object bl2) {

if(bl1!="")

return "<div class="ly2"><div>管理员回复：</div><div>"+bl1+"</div><div align="right">"+bl2.ToString()+"</div></div>";

return "";

}

void tjly(object sender,ImageClickEventArgs e) {

if(Page.IsValid) {

string mlwb="insert into 留言(内容,作者,邮箱,主页,电话,QQ,头像) values(@nr,@zz,@yx,@zy,@dh,@qq,@tx)";

int bl=0;

try {

bl=Convert.ToInt32(Regex.Match(a_lynr.Text,"SC=[0-9]+;").ToString().Replace("SC=","").Replace(";",""));

}catch {}

if(bl!=0)

mlwb="delete from 留言 where 编号="+bl;

else {

try { bl=Convert.ToInt32(Regex.Match(a_lynr.Text,"HF=[0-9]+;").ToString().Replace("HF=","").Replace(";","")); }

catch {}

if(bl!=0)

mlwb="update 留言 set 回复内容='"+Regex.Replace(a_lynr.Text.Replace("'","''"),"HF=[0-9]+;","")+"',回复时间=now() where 编号="+bl;

}

OleDbConnection lj = new OleDbConnection("Provider=Microsoft.Jet.OleDb.4.0;Data Source="+Server.MapPath("lyb.mdb"));

OleDbCommand ml = new OleDbCommand(mlwb,lj);

lj.Open();

if(bl==0) {

ml.Parameters.Add("@nr",OleDbType.VarChar,5000,"内容");

ml.Parameters.Add("@zz",OleDbType.VarChar,8,"作者");

ml.Parameters.Add("@yx",OleDbType.VarChar,50,"邮箱");

ml.Parameters.Add("@zy",OleDbType.VarChar,50,"主页");

ml.Parameters.Add("@dh",OleDbType.VarChar,13,"电话");

ml.Parameters.Add("@qq",OleDbType.VarChar,13,"QQ");

ml.Parameters.Add("@tx",OleDbType.Integer);

ml.Parameters["@nr"].Value=a_lynr.Text.Replace("'","''");

ml.Parameters["@zz"].Value=a_zz.Text;

ml.Parameters["@yx"].Value=a_yx.Text;

ml.Parameters["@zy"].Value=a_zy.Text;

ml.Parameters["@dh"].Value=a_dh.Text;

ml.Parameters["@qq"].Value=a_qq.Text;

ml.Parameters["@tx"].Value=a_tx.SelectedIndex;

}

ml.ExecuteNonQuery();

lj.Close();

Response.Redirect("index.aspx");

}

string ubb(object bl)

{

string [] dx = ConfigurationSettings.AppSettings["缩略图大小"].Split(',');

string fh=bl.ToString().Replace("&","&").Replace("<","<").Replace(">",">").Replace("''","'");

fh=Regex.Replace(fh,@"[strong](.*?)[/strong]","<strong>$1</strong>");

fh=Regex.Replace(fh,@"[u](.*?)[/u]","<u>$1</u>");

fh=Regex.Replace(fh,@"[em](.*?)[/em]","<em>$1</em>");

fh=Regex.Replace(fh,@"[color=W?(.*?)W?](.*?)[/color]","<span style="color:$1;">$2</span>");

fh=Regex.Replace(fh,@"[img,([0-9]*),([0-9]*)](.*?)[/img]","<img src="$3" style="width:expression($1>"+dx[0]+"?"+dx[0]+":$1);height:expression($2>"+dx[1]+"?"+dx[1]+":$2);" alt="" /><a href="$3" target="_blank" alt="$3">浏览原图</a>");

fh=Regex.Replace(fh,@"[img](.*?)[/img]","<img src="$1" alt="" style="border:0;width:expression(width>"+dx[0]+"?"+dx[0]+":width);height:expression(height>"+dx[1]+"?"+dx[1]+":height);" /><a href="$1" target="_blank" alt="$1">浏览原图</a>");

fh=Regex.Replace(fh,@"[T([0-9]+)]","<img src="images/tb/$1.gif" alt="" />");

fh=Regex.Replace(fh,@"[url](http://([w-]+.)+[w-]+(/[w- ./?%&=]*)?)[/url]","<a href="$1" target="_blank" title="$1">$1</a>");

fh=Regex.Replace(fh,@"[url=W?(http://([w-]+.)+[w-]+(/[w- ./?%&=]*)?)W?](.*?)[/url]","<a href="$1" target="_blank" title="$1">$4</a>");

fh=Regex.Replace(fh,@"[mail](w+([-+.]w+)*@w+([-.]w+)*.w+([-.]w+)*)[/mail]","<a href="mailto:$1" title="$1">$1</a>");

fh=Regex.Replace(fh,@"[mail=W?(w+([-+.]w+)*@w+([-.]w+)*.w+([-.]w+)*)W?](.*?)[/mail]","<a href="mailto:$1" title="$1">$5</a>");

fh=Regex.Replace(fh,@"[move](.*?)[/move]","<marquee>$1</marquee>");

fh=Regex.Replace(fh,@"[flash,([0-9]*),([0-9]*)](.*?.swf)[/flash]","<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0" style="width:expression($1>"+dx[0]+"?"+dx[0]+":$1);height:expression($2>"+dx[1]+"?"+dx[1]+":$2);"> <param name="movie" value="$3" /> <param name="quality" value="high" /> <embed src="$3" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" style="width:expression($1>"+dx[0]+"?"+dx[0]+":$1);height:expression($2>"+dx[1]+"?"+dx[1]+":$2);"></embed> </object><a href="$3" target="_blank">浏览flash</a><br />");

fh=Regex.Replace(fh,@"[flash](.*?.swf)[/flash]","<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0" style="width:expression(width>"+dx[0]+"?"+dx[0]+":width);height:expression(height>"+dx[1]+"?"+dx[1]+":height);"> <param name="movie" value="$1" /> <param name="quality" value="high" /> <embed src="$1" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" style="width:expression(width>"+dx[0]+"?"+dx[0]+":width);height:expression(height>"+dx[1]+"?"+dx[1]+":height);"></embed> </object><br /><a href="$1" target="_blank">浏览flash</a><br />");

//return fh.Replace(" ","<br />");

return fh.Replace(" ","").Replace(" ","<br />");

}

</script>