.NET学习笔记
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<?xml version="1.0" encoding="utf-8"?>
<configuration xmlns="http://schemas.microsoft.com/.NetConfiguration/v2.0">
<system.web>
<customErrors mode="Off" />
<compilation debug="true" />
<globalization responseEncoding="gb2312" requestEncoding="gb2312" />
<pages validateRequest="false" />
</system.web>
<appSettings>
<add key="名称" value="新手" />
<add key="声明" value="我是菜鸟，请各前辈高人多指教。" />
</appSettings>
</configuration>
<%...@ Register TagPrefix="kjX" TagName="db" Src="db.ascx" %>
<kjX:db id="db1" runat="server"></kjX:db>
<kjX:db id="db2" runat="server"></kjX:db>
<div id="h_db" align="center">www.baidu.com</div>
<title id="a_bt" runat="server"></title>
<script language="c#" runat="server">...
void Page_Load() ...{
a_bt.InnerHtml=ConfigurationSettings.AppSettings["名称"];
}
</script>
<?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>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title id="a_bt" runat="server">dotnet.2xd.cn</title>
<link href="ys.css" rel="stylesheet" type="text/css" />
<script src="jb.js"></script>
</head>
<body>
<form runat="server">
<kj:tb runat="server" />
<div id="h_zt">
<div id="h_zt1">
<asp:Repeater ID="a_xsly" runat="server">
<headertemplate>
<div align="center">显示留言</div>
</headertemplate>
<itemtemplate>
<table width="520" border="0" align="center" cellpadding="0" cellspacing="1" class="xsly">
<tr>
<td width="150" valign="top">
<dl class="lb1">
<dt>第 <asp:Label ID="a_bh" CssClass="hsz" runat="server" Text='<%# DataBinder.Eval(Container.DataItem,"编号") %>' /> 号留言</dt>
<dt><asp:Image ID="a_tx" ImageUrl='<%# DataBinder.Eval(Container.DataItem,"头像","images/tx/{0}.gif") %>' ToolTip="头像" runat="server" /></dt>
<dt>用户：<%...# DataBinder.Eval(Container.DataItem,"作者") %></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>
<dt>电话：<%...# DataBinder.Eval(Container.DataItem,"电话") %></dt>
</dl>
</td>
<td>
<div class="ly1">
<div><%...# ubb(DataBinder.Eval(Container.DataItem,"内容")) %></div>
<div align="right"><%...# DataBinder.Eval(Container.DataItem,"发表时间") %></div>
</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>
<div align="center"><asp:Label ID="a_sltj" runat="server" /> <asp:HyperLink ID="a_sy" Text="上一页" runat="server" /><asp:HyperLink ID="a_xy" Text="下一页" runat="server" /></div>
</footertemplate>
</asp:Repeater>
</div>
<div id="h_zt2">
<div id="h_zt2_1">发布留言</div>
<div id="h_zt2_2">
<div id="h_zt2_2_1">
<dl class="lb1">
<dt>作者：<asp:TextBox ID="a_zz" CssClass="zl" runat="server" MaxLength="8" /><asp:RequiredFieldValidator ControlToValidate="a_zz" ErrorMessage="*" ID="a_yzzz1" runat="server" /><asp:RegularExpressionValidator ControlToValidate="a_zz" ErrorMessage="中英文" ID="a_yzzz2" runat="server" ValidationExpression="^[一-龥A-Za-z0-9-]{1,8}" /></dt>
<dt>邮箱：<asp:TextBox ID="a_yx" CssClass="zl" runat="server" MaxLength="50" /><asp:RegularExpressionValidator ControlToValidate="a_yx" ErrorMessage="邮箱？" ID="a_yzyx" runat="server" ValidationExpression="w+([-+.]w+)*@w+([-.]w+)*.w+([-.]w+)*" /></dt>
<dt>主页：<asp:TextBox ID="a_zy" CssClass="zl" runat="server" MaxLength="50" /><asp:RegularExpressionValidator ControlToValidate="a_zy" ErrorMessage="网址？" ID="a_yzzy" runat="server" ValidationExpression="http://([w-]+.)+[w-]+(/[w- ./?%&=]*)?" /></dt>
<dt>电话：<asp:TextBox ID="a_dh" CssClass="zl" runat="server" MaxLength="13" /><asp:RegularExpressionValidator ControlToValidate="a_dh" ErrorMessage="电话？" ID="a_yzdh" runat="server" ValidationExpression="[0-9]{7,13}" /></dt>
<dt>我QQ：<asp:TextBox ID="a_qq" CssClass="zl" runat="server" MaxLength="11" /><asp:RegularExpressionValidator ControlToValidate="a_qq" ErrorMessage="QQ？" ID="a_yzqq" runat="server" ValidationExpression="[0-9]{4,13}" /></dt>
<dt>头像：<asp:DropDownList ID="a_tx" onchange="h_tx.src='images/tx/'+(this.options.selectedIndex)+'.gif';" runat="server" /><img name="h_tx" src="images/tx/0.gif" /> <asp:RequiredFieldValidator ControlToValidate="a_lynr" ErrorMessage="留言不能为空！" ID="a_yzly" runat="server" /></dt>
</dl>
</div>
<div id="h_zt2_2_2"><asp:TextBox ID="a_lynr" onclick="storeCaret(this);" onselect="storeCaret(this);" onkeyup="storeCaret(this);" runat="server" Width="395" Height="90" BorderWidth="0" MaxLength="1000" TextMode="MultiLine" /></div>
<div id="h_zt2_2_3">
<div id="h_zt2_2_3_1">
<asp:ImageButton ID="a_tjly" ToolTip="发布留言" runat="server" ImageUrl="images bly.gif" OnClick="tjly" />
</div>
<div id="h_zt2_2_3_2"><input type="image" src="imagesqknr.gif" alt="清空留言" onClick="a_lynr.value='';return false;" /></div>
</div>
<div id="h_zt2_2_4">
<div id="h_zt2_2_4_1"><asp:Label ID="a_tb" ToolTip="表情图标" runat="server" /></div>
<div id="h_zt2_2_4_2" align="center">
<dl>
<dt><a href="#" onClick="cr(a_lynr,'strong','1');return false;">粗体</a> <a href="#" onClick="cr(a_lynr,'em','1');return false;">斜体</a> <a href="#" onClick="cr(a_lynr,'u','1');return false;">划线</a> <a href="#" onClick="cr(a_lynr,'url','1');return false;">链接</a></dt>
<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>
</div>
</div>
</div>
</div>
<kj:db runat="server" />
</form>
</body>
</html>
<script language="c#" runat="server">...
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();
}
文件web.config
<?xml version="1.0" encoding="utf-8"?><configuration xmlns="http://schemas.microsoft.com/.NetConfiguration/v2.0"> <system.web> <customErrors mode="Off" /> <compilation debug="true" /> <globalization responseEncoding="gb2312" requestEncoding="gb2312" /> <pages validateRequest="false" /> </system.web> <appSettings> <add key="名称" value="新手" /> <add key="声明" value="我是菜鸟，请各前辈高人多指教。" /> </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
<title id="a_bt" runat="server"></title><script language="c#" runat="server">...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> ";X.
<%...@ 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><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><title id="a_bt" runat="server">dotnet.2xd.cn</title><link href="ys.css" rel="stylesheet" type="text/css" /><script src="jb.js"></script></head><body><form runat="server"><kj:tb runat="server" /><div id="h_zt"> <div id="h_zt1"> <asp:Repeater ID="a_xsly" runat="server"><headertemplate><div align="center">显示留言</div></headertemplate><itemtemplate><table width="520" border="0" align="center" cellpadding="0" cellspacing="1" class="xsly"> <tr> <td width="150" valign="top"> <dl class="lb1"> <dt>第 <asp:Label ID="a_bh" CssClass="hsz" runat="server" Text='<%# DataBinder.Eval(Container.DataItem,"编号") %>' /> 号留言</dt> <dt><asp:Image ID="a_tx" ImageUrl='<%# DataBinder.Eval(Container.DataItem,"头像","images/tx/{0}.gif") %>' ToolTip="头像" runat="server" /></dt> <dt>用户：<%...# DataBinder.Eval(Container.DataItem,"作者") %></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> <dt>电话：<%...# DataBinder.Eval(Container.DataItem,"电话") %></dt> </dl> </td> <td> <div class="ly1"> <div><%...# ubb(DataBinder.Eval(Container.DataItem,"内容")) %></div> <div align="right"><%...# DataBinder.Eval(Container.DataItem,"发表时间") %></div> </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><div align="center"><asp:Label ID="a_sltj" runat="server" /> <asp:HyperLink ID="a_sy" Text="上一页" runat="server" /><asp:HyperLink ID="a_xy" Text="下一页" runat="server" /></div></footertemplate></asp:Repeater> </div><div id="h_zt2"> <div id="h_zt2_1">发布留言</div> <div id="h_zt2_2"> <div id="h_zt2_2_1"> <dl class="lb1"> <dt>作者：<asp:TextBox ID="a_zz" CssClass="zl" runat="server" MaxLength="8" /><asp:RequiredFieldValidator ControlToValidate="a_zz" ErrorMessage="*" ID="a_yzzz1" runat="server" /><asp:RegularExpressionValidator ControlToValidate="a_zz" ErrorMessage="中英文" ID="a_yzzz2" runat="server" ValidationExpression="^[一-龥A-Za-z0-9-]{1,8}" /></dt> <dt>邮箱：<asp:TextBox ID="a_yx" CssClass="zl" runat="server" MaxLength="50" /><asp:RegularExpressionValidator ControlToValidate="a_yx" ErrorMessage="邮箱？" ID="a_yzyx" runat="server" ValidationExpression="w+([-+.]w+)*@w+([-.]w+)*.w+([-.]w+)*" /></dt> <dt>主页：<asp:TextBox ID="a_zy" CssClass="zl" runat="server" MaxLength="50" /><asp:RegularExpressionValidator ControlToValidate="a_zy" ErrorMessage="网址？" ID="a_yzzy" runat="server" ValidationExpression="http://([w-]+.)+[w-]+(/[w- ./?%&=]*)?" /></dt> <dt>电话：<asp:TextBox ID="a_dh" CssClass="zl" runat="server" MaxLength="13" /><asp:RegularExpressionValidator ControlToValidate="a_dh" ErrorMessage="电话？" ID="a_yzdh" runat="server" ValidationExpression="[0-9]{7,13}" /></dt> <dt>我QQ：<asp:TextBox ID="a_qq" CssClass="zl" runat="server" MaxLength="11" /><asp:RegularExpressionValidator ControlToValidate="a_qq" ErrorMessage="QQ？" ID="a_yzqq" runat="server" ValidationExpression="[0-9]{4,13}" /></dt> <dt>头像：<asp:DropDownList ID="a_tx" onchange="h_tx.src='images/tx/'+(this.options.selectedIndex)+'.gif';" runat="server" /><img name="h_tx" src="images/tx/0.gif" /> <asp:RequiredFieldValidator ControlToValidate="a_lynr" ErrorMessage="留言不能为空！" ID="a_yzly" runat="server" /></dt> </dl> </div> <div id="h_zt2_2_2"><asp:TextBox ID="a_lynr" onclick="storeCaret(this);" onselect="storeCaret(this);" onkeyup="storeCaret(this);" runat="server" Width="395" Height="90" BorderWidth="0" MaxLength="1000" TextMode="MultiLine" /></div> <div id="h_zt2_2_3"> <div id="h_zt2_2_3_1"> <asp:ImageButton ID="a_tjly" ToolTip="发布留言" runat="server" ImageUrl="images bly.gif" OnClick="tjly" /> </div> <div id="h_zt2_2_3_2"><input type="image" src="imagesqknr.gif" alt="清空留言" onClick="a_lynr.value='';return false;" /></div> </div> <div id="h_zt2_2_4"> <div id="h_zt2_2_4_1"><asp:Label ID="a_tb" ToolTip="表情图标" runat="server" /></div> <div id="h_zt2_2_4_2" align="center"> <dl> <dt><a href="#" onClick="cr(a_lynr,'strong','1');return false;">粗体</a> <a href="#" onClick="cr(a_lynr,'em','1');return false;">斜体</a> <a href="#" onClick="cr(a_lynr,'u','1');return false;">划线</a> <a href="#" onClick="cr(a_lynr,'url','1');return false;">链接</a></dt> <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> </div> </div> </div></div><kj:db runat="server" /></form></body></html><script language="c#" runat="server">...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();}