为什么asp.net 的的页面有这么多隐藏域,里面有这么多内容这样对于一个网页读入的速度会不会很慢啊,,对于搜索会不会不好啊....唉,,,真搞不懂,,,,可能是新手吧,,,问的东西特别多
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/>
<input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="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" />
人家用的是客户端的控件
BLOG里有说这个问题是“Asp.Net”的一个安全隐患。
原来使用“客户端的控件”就可以解决该问题,如果不使用“客户端控件”怎么提交按钮事件,
ViewState机制是asp.net的重要特点之一自动视图状态管理是服务器控件的功能,该功能使服务器控件可以在往返过程上重新填充它们的属性值(您不需要编写任何代码)。但是,因为服务器控件的视图状态在隐藏的窗体字段中往返于服务器,所以该功能确实会对性能产生影响。您应该知道在哪些情况下视图状态会有所帮助,在哪些情况下它影响页的性能。例如,如果您将服务器控件绑定到每个往返过程上的数据,则将用从数据绑定操作获得的新值替换保存的视图状态。在这种情况下,禁用视图状态可以节省处理时间。
默认情况下,为所有服务器控件启用视图状态。若要禁用视图状态,请将控件的 EnableViewState 属性设置为 false,如下面的 DataGrid 服务器控件示例所示。
<asp:datagrid EnableViewState="false" datasource="..." runat="server"/>
ViewState是asp.net自动保存状态用的,你可以选择禁用
呵呵,,,一只放出来一个,,其实很多,,很大,,,所以我没有放出来,,,我会看看你http://topic.csdn.net/u/20081130/17/f122ba8d-00e7-47e7-9623-7b9a06a6dd48.html
blog的
using System;
using System.IO;
using System.Web.UI;public class XVPage : Page
{
static private DirectoryInfo _Dir; private DirectoryInfo Dir
{
get
{
if (_Dir == null)
{
_Dir = new DirectoryInfo(Path.Combine(DomainBase.Extention.BaseDirPath, "App_Data"));
if (!_Dir.Exists)
_Dir.Create();
_Dir = new DirectoryInfo(Path.Combine(_Dir.FullName, "ViewState"));
if (!_Dir.Exists)
_Dir.Create();
}
return _Dir;
}
} protected override object LoadPageStateFromPersistenceMedium()
{
PageStatePersister ps = this.PageStatePersister;
ps.Load();
if (ps.ControlState != null)
ps.ControlState = 反序列化对象((string)ps.ControlState);
if (ps.ViewState != null)
ps.ViewState = 反序列化对象((string)ps.ViewState);
return new Pair(ps.ControlState, ps.ViewState);
} protected override void SavePageStateToPersistenceMedium(object state)
{
PageStatePersister ps = this.PageStatePersister;
if (state is Pair)
{
Pair pair = (Pair)state;
ps.ControlState = pair.First;
ps.ViewState = pair.Second;
}
else
{
ps.ViewState = state;
}
if (ps.ControlState != null)
ps.ControlState = 序列化对象(ps.ControlState);
if (ps.ViewState != null)
ps.ViewState = 序列化对象(ps.ViewState);
ps.Save();
} private object 反序列化对象(string stateID)
{
string stateStr = (string)Cache[stateID];
string file = Path.Combine(Dir.FullName, stateID);
if (stateStr == null)
stateStr = File.ReadAllText(file);
else
Cache.Remove(stateID);
return new ObjectStateFormatter().Deserialize(stateStr);
} private string 序列化对象(object obj)
{
string value = new ObjectStateFormatter().Serialize(obj);
string stateID = (DateTime.Now.Ticks + (long)value.GetHashCode()).ToString(); //产生离散的id号码
File.WriteAllText(Path.Combine(Dir.FullName, stateID), value);
Cache.Insert(stateID, value);
return stateID;
} protected override void OnUnload(EventArgs e)
{
base.OnUnload(e);
DateTime dt = DateTime.Now.AddMinutes(-20);
foreach (FileInfo fl in Dir.GetFiles())
if (fl.LastAccessTime < dt)
try
{
fl.Delete();
}
catch
{
}
}
}请问这个类怎么调用啊,,有没有例子...小弟是新手
不过所有.net控件(即runat="server"的控件)你都用不了了。
对!打开你的aspx的codebehind代码页,你可以看到类似using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;public partial class Login_Default : System.Web.UI.Page的代码,把这个 System.Web.UI.Page 父类改为 XVPage 即可。而如果你有自己的Page父类,让你的父类从它继承就可以了。如果你不是使用code-behind代码(没有后台的partial class代码),那么直接在aspx上设置inherits属性,例如顶部第一行为:<%@ Page Language="C#" Inherits="XVPage" %>
编译错误
说明: 在编译向该请求提供服务所需资源的过程中出现错误。请检查下列特定错误详细信息并适当地修改源代码。 编译器错误消息: CS0103: 当前上下文中不存在名称“DomainBase”源错误: 行 21: if (_Dir == null)
行 22: {
行 23: _Dir = new DirectoryInfo(Path.Combine(DomainBase.Extention.BaseDirPath, "App_Data"));
行 24: if (!_Dir.Exists)
行 25: _Dir.Create();
我的前台页面是<%@ Page Language="C#" AutoEventWireup="true" CodeFile="repeater.aspx.cs" Inherits="repeater" %>后台是:public partial class repeater : XVpage
然后在app_Code做了一个叫XVpage.cs的类
using System;
using System.IO;
using System.Web.UI;public class XVPage : Page
{
static private DirectoryInfo _Dir; private DirectoryInfo Dir
{
get
{
if (_Dir == null)
{
_Dir = new DirectoryInfo(Path.Combine(DomainBase.Extention.BaseDirPath, "App_Data"));
if (!_Dir.Exists)
_Dir.Create();
_Dir = new DirectoryInfo(Path.Combine(_Dir.FullName, "ViewState"));
if (!_Dir.Exists)
_Dir.Create();
}
return _Dir;
}
} protected override object LoadPageStateFromPersistenceMedium()
{
PageStatePersister ps = this.PageStatePersister;
ps.Load();
if (ps.ControlState != null)
ps.ControlState = 反序列化对象((string)ps.ControlState);
if (ps.ViewState != null)
ps.ViewState = 反序列化对象((string)ps.ViewState);
return new Pair(ps.ControlState, ps.ViewState);
} protected override void SavePageStateToPersistenceMedium(object state)
{
PageStatePersister ps = this.PageStatePersister;
if (state is Pair)
{
Pair pair = (Pair)state;
ps.ControlState = pair.First;
ps.ViewState = pair.Second;
}
else
{
ps.ViewState = state;
}
if (ps.ControlState != null)
ps.ControlState = 序列化对象(ps.ControlState);
if (ps.ViewState != null)
ps.ViewState = 序列化对象(ps.ViewState);
ps.Save();
} private object 反序列化对象(string stateID)
{
string stateStr = (string)Cache[stateID];
string file = Path.Combine(Dir.FullName, stateID);
if (stateStr == null)
stateStr = File.ReadAllText(file);
else
Cache.Remove(stateID);
return new ObjectStateFormatter().Deserialize(stateStr);
} private string 序列化对象(object obj)
{
string value = new ObjectStateFormatter().Serialize(obj);
string stateID = (DateTime.Now.Ticks + (long)value.GetHashCode()).ToString(); //产生离散的id号码
File.WriteAllText(Path.Combine(Dir.FullName, stateID), value);
Cache.Insert(stateID, value);
return stateID;
} protected override void OnUnload(EventArgs e)
{
base.OnUnload(e);
DateTime dt = DateTime.Now.AddMinutes(-20);
foreach (FileInfo fl in Dir.GetFiles())
if (fl.LastAccessTime < dt)
try
{
fl.Delete();
}
catch
{
}
}
}
靠网站开发者个人进行SEO的效果非常非常难看到“很大的区别”,需要花钱给“专业”公司人为“创造”排名的。至于说根本不是靠技术公平性的“竞价排名”,则更不用说开发者自己SEO啦,据说百度90%的利润是来自于竞价排名的。
哦,那是另一个class,我在那里去读取web.config等环境参数来看看用户有没有另外手动设置根目录。这里,你可以直接改为 AppDomain.CurrentDomain.BaseDirectory。
回到ASP年代了
还要.NET干什么尼?
呵呵
说明: 执行当前 Web 请求期间,出现未处理的异常。请检查堆栈跟踪信息,以了解有关该错误以及代码中导致错误的出处的详细信息。 异常详细信息: System.InvalidCastException: 无法将类型为“System.Collections.Specialized.HybridDictionary”的对象强制转换为类型“System.String”。源错误:
行 39: ps.Load();
行 40: if (ps.ControlState != null)
行 41: ps.ControlState = 反序列化对象((string)ps.ControlState);
行 42: if (ps.ViewState != null)
行 43: ps.ViewState = 反序列化对象((string)ps.ViewState);
源文件: d:\chinawl\App_Code\XVPage.cs 行: 41 还是出错,,,
说明: 执行当前 Web 请求期间,出现未处理的异常。请检查堆栈跟踪信息,以了解有关该错误以及代码中导致错误的出处的详细信息。 异常详细信息: System.InvalidCastException: 无法将类型为“System.Collections.Specialized.HybridDictionary”的对象强制转换为类型“System.String”。 源错误:
行 39: ps.Load();
行 40: if (ps.ControlState != null)
行 41: ps.ControlState = 反序列化对象((string)ps.ControlState);
行 42: if (ps.ViewState != null)
行 43: ps.ViewState = 反序列化对象((string)ps.ViewState);
源文件: d:\chinawl\App_Code\XVPage.cs 行: 41 还是出错,,,
遇到 ps.ControlState 无法转换为 string 还真是诡异呢!你使用的某一个非正式由asp.net项目组发布和技术支持的客户端(javascript端)的扩展组件它大概很“狠”地在客户端去修改了隐藏域中的数据。如果还是使用它,你可以尝试将 if (ps.ControlState != null)
ps.ControlState = 反序列化对象((string)ps.ControlState);
与 if (ps.ControlState != null)
ps.ControlState = 序列化对象(ps.ControlState);注释掉。毕竟,内容巨大是ViewState部分,我们可以对ControlState部分不做处理仍然丢到客户端去。如果注释掉这两行代码仍然出现同样问题,你最好先试试找出是哪一个第三方组件的问题。
<?xml version="1.0"?>
<!--
注意: 除了手动编辑此文件以外,您还可以使用
Web 管理工具来配置应用程序的设置。可以使用 Visual Studio 中的
“网站”->“Asp.Net 配置”选项。
设置和注释的完整列表在
machine.config.comments 中,该文件通常位于
\Windows\Microsoft.Net\Framework\v2.x\Config 中
-->
<configuration>
<configSections>
<sectionGroup name="system.web.extensions" type="System.Web.Configuration.SystemWebExtensionsSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
<sectionGroup name="scripting" type="System.Web.Configuration.ScriptingSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
<section name="scriptResourceHandler" type="System.Web.Configuration.ScriptingScriptResourceHandlerSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/>
<sectionGroup name="webServices" type="System.Web.Configuration.ScriptingWebServicesSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
<section name="jsonSerialization" type="System.Web.Configuration.ScriptingJsonSerializationSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="Everywhere"/>
<section name="profileService" type="System.Web.Configuration.ScriptingProfileServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/>
<section name="authenticationService" type="System.Web.Configuration.ScriptingAuthenticationServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/>
<section name="roleService" type="System.Web.Configuration.ScriptingRoleServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/>
</sectionGroup>
</sectionGroup>
</sectionGroup>
</configSections>
<appSettings>
<add key="connsql" value="Server=.;DataBase=chinawl;Uid=sa;Pwd=sa"/>
</appSettings>
<connectionStrings>
<add name="chinawlConnectionString" connectionString="Server=.;DataBase=chinawl;Uid=sa;Pwd=sa"
providerName="System.Data.SqlClient" />
</connectionStrings>
<system.web>
<!--
设置 compilation debug="true" 将调试符号插入
已编译的页面中。但由于这会
影响性能,因此只在开发过程中将此值
设置为 true。
-->
<compilation debug="true">
<assemblies>
<add assembly="System.Design, Version=2.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A"/>
<add assembly="System.Core, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
<add assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
<add assembly="System.Xml.Linq, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
<add assembly="System.Data.DataSetExtensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
</assemblies></compilation>
<!--
通过 <authentication> 节可以配置 ASP.NET 使用的
安全身份验证模式,
以标识传入的用户。
-->
<authentication mode="Windows"/>
<!--
如果在执行请求的过程中出现未处理的错误,
则通过 <customErrors> 节可以配置相应的处理步骤。具体说来,
开发人员通过该节可以配置
要显示的 html 错误页
以代替错误堆栈跟踪。 <customErrors mode="RemoteOnly" defaultRedirect="GenericErrorPage.htm">
<error statusCode="403" redirect="NoAccess.htm" />
<error statusCode="404" redirect="FileNotFound.htm" />
</customErrors>
-->
<pages>
<controls>
<add tagPrefix="asp" namespace="System.Web.UI" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
<add tagPrefix="asp" namespace="System.Web.UI.WebControls" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/></controls></pages>
<httpHandlers>
<add verb="POST,GET" path="ajaxpro/*.ashx" type="AjaxPro.AjaxHandlerFactory, AjaxPro.2"/>
<remove verb="*" path="*.asmx"/>
<add verb="*" path="*.asmx" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
<add verb="*" path="*_AppService.axd" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
<add verb="GET,HEAD" path="ScriptResource.axd" validate="false" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
</httpHandlers>
<httpModules>
<add name="ScriptModule" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
</httpModules></system.web>
<system.codedom>
<compilers>
<compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CSharp.CSharpCodeProvider,System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" warningLevel="4">
<providerOption name="CompilerVersion" value="v3.5"/>
<providerOption name="WarnAsError" value="false"/></compiler>
<compiler language="vb;vbs;visualbasic;vbscript" extension=".vb" type="Microsoft.VisualBasic.VBCodeProvider, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" warningLevel="4">
<providerOption name="CompilerVersion" value="v3.5"/>
<providerOption name="OptionInfer" value="true"/>
<providerOption name="WarnAsError" value="false"/></compiler></compilers></system.codedom>
<system.webServer>
<validation validateIntegratedModeConfiguration="false"/>
<modules>
<remove name="ScriptModule"/>
<add name="ScriptModule" preCondition="managedHandler" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/></modules>
<handlers>
<remove name="WebServiceHandlerFactory-Integrated"/>
<remove name="ScriptHandlerFactory"/>
<remove name="ScriptHandlerFactoryAppServices"/>
<remove name="ScriptResource"/>
<add name="ScriptHandlerFactory" verb="*" path="*.asmx" preCondition="integratedMode" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
<add name="ScriptHandlerFactoryAppServices" verb="*" path="*_AppService.axd" preCondition="integratedMode" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
<add name="ScriptResource" verb="GET,HEAD" path="ScriptResource.axd" preCondition="integratedMode" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/></handlers></system.webServer>
<runtime>
<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
<dependentAssembly>
<assemblyIdentity name="System.Web.Extensions" publicKeyToken="31bf3856ad364e35"/>
<bindingRedirect oldVersion="1.0.0.0-1.1.0.0" newVersion="3.5.0.0"/></dependentAssembly>
<dependentAssembly>
<assemblyIdentity name="System.Web.Extensions.Design" publicKeyToken="31bf3856ad364e35"/>
<bindingRedirect oldVersion="1.0.0.0-1.1.0.0" newVersion="3.5.0.0"/></dependentAssembly></assemblyBinding></runtime></configuration>
我把web.config改成这样就可以了,,,一样用ajaxpro控件<?xml version="1.0"?>
<!--
注意: 除了手动编辑此文件以外,您还可以使用
Web 管理工具来配置应用程序的设置。可以使用 Visual Studio 中的
“网站”->“Asp.Net 配置”选项。
设置和注释的完整列表在
machine.config.comments 中,该文件通常位于
\Windows\Microsoft.Net\Framework\v2.x\Config 中
-->
<configuration>
<appSettings>
<add key="conn" value="Server=.;DataBase=chinawl;Uid=sa;Pwd=sa"/>
</appSettings>
<connectionStrings/>
<system.web>
<customErrors mode="Off"/>
</system.web>
<system.web>
<!--
设置 compilation debug="true" 将调试符号插入
已编译的页面中。但由于这会
影响性能,因此只在开发过程中将此值
设置为 true。
-->
<compilation debug="true">
<assemblies>
<add assembly="System.Design, Version=2.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A"/></assemblies></compilation>
<!--
通过 <authentication> 节可以配置 ASP.NET 使用的
安全身份验证模式,
以标识传入的用户。
--> <httpHandlers>
<add verb="POST,GET" path="ajaxpro/*.ashx" type="AjaxPro.AjaxHandlerFactory, AjaxPro.2"/>
</httpHandlers>
<authentication mode="Windows"/>
<!--
如果在执行请求的过程中出现未处理的错误,
则通过 <customErrors> 节可以配置相应的处理步骤。具体说来,
开发人员通过该节可以配置
要显示的 html 错误页
以代替错误堆栈跟踪。 <customErrors mode="RemoteOnly" defaultRedirect="GenericErrorPage.htm">
<error statusCode="403" redirect="NoAccess.htm" />
<error statusCode="404" redirect="FileNotFound.htm" />
</customErrors>
-->
</system.web>
</configuration>
行 70: if (stateStr == null)
行 71: stateStr = File.ReadAllText(file);
行 72: else
行 73: Cache.Remove(stateID);我用aspnetpager做分页跳转时发生上面的错误。查了好久没有找到原因。我是菜鸟。请指教。
那个优化师说,,,这样没用的代码太多了,,,必须去掉,,,然后老板下order了