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Jquery calls wcf and shows the data method

Source: Internet
Author: User
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The Code is as follows:
Copy codeThe Code is as follows:
Using System;
Using System. Data;
Using System. ServiceModel;
Using System. ServiceModel. Activation;
Using System. ServiceModel. Web;
Using System. Web. Script. Services;

[ServiceContract (Namespace = "")]
[AspNetCompatibilityRequirements (RequirementsMode = AspNetCompatibilityRequirementsMode. Allowed)]
[ServiceBehavior (IncludeExceptionDetailInFaults = true)]
Public class imgService
{
// To use http get, add the [WebGet] feature. (The default ResponseFormat is WebMessageFormat. Json)
// Create an operation to return XML,
// Add [WebGet (ResponseFormat = WebMessageFormat. Xml)],
// The operation body contains the following lines:
// WebOperationContext. Current. OutgoingResponse. ContentType = "text/xml ";
[OperationContract]
[WebGet (RequestFormat = WebMessageFormat. Json, ResponseFormat = WebMessageFormat. Json)]
// [WebInvoke (Method = "GET", RequestFormat = WebMessageFormat. Json, ResponseFormat = WebMessageFormat. Json, BodyStyle = WebMessageBodyStyle. WrappedRequest)]
Public DataTable GetDataTable (string pz)
{
// Add operation implementation here
DataSet ds = WebBase. GetDS (WebBase. meinvRepository, string. Empty, "body_id desc", pz );
If (ds. Tables. Count> 0)
Return ds. Tables [0];
Return null;
}

// Add more operations here and mark them with [OperationContract]
}


For details, the getable able method of wcf has a parameter pz indicating the number of rows of returned data. The returned table is given to jquery as json data.

The page call method is also simple:

Copy codeThe Code is as follows:
<% @ Page Language = "C #" EnableViewState = "false" AutoEventWireup = "true" CodeFile = "Default. aspx. cs"
Inherits = "jquerywcf_Default" %>
<! DOCTYPE html PUBLIC "-// W3C // dtd xhtml 1.0 Transitional // EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<Html xmlns = "http://www.w3.org/1999/xhtml">
<Head id = "Head1" runat = "server">
<Title> </title>
<Script src = "../Scripts/jquery-1.4.1-vsdoc.js" type = "text/javascript"> </script>
</Head>
<Body>
<Form id = "form1" runat = "server">
<Div class = "main">
<Ul> <li> <a> </li> </ul>
</Div>
<Div>
<Script type = "text/javascript">
Function sendAJAX (data ){
Var url = "<% = _ url %> imgService. svc/GetDataTable ";

$. GetJSON (url, {pz: "6"}, function (msg ){
$ (Msg. d). find ("Table"). each (function (I ){
Var rq = $ (this ). children ("Body_AddTime "). text (). split ('T') [0]. replace ("-",""). replace ("-","");
Rq = rq. substring (0, rq. length-2 );
Var html = '<li> <a href = "http://meinv.vs2010.com/topic/' + $ (this ). children ("Body_MuLuID "). text () + '/' + rq + '/show-id' + $ (this ). children ("Body_ID "). text () + '.html "target =" _ blank "> ' + $ (this ). children ("Body_Name "). text () + '</a> </li> ';
$ (". Main ul"). append (html );
});
});

}


$ (Function (){
SendAJAX ();
});
</Script>
<Div id = "msg">
</Div>
</Div>
</Form>
</Body>
</Html>

Description: The getjson method of jquery is used to retrieve the data returned by wcf. The parameter passing method is as follows:

$. GetJSON (url, {pz: "6"}, function (msg) {alert (msg. d)}). Here, 6 data records are returned, and the following attributes are added to the svc of wcf:
Factory = System. ServiceModel. Activation. WebScriptServiceHostFactory and web. config Configuration:
Copy codeThe Code is as follows:
<? Xml version = "1.0"?>
2 <configuration>
3
4 <configSections>
5 <! -- Ajax -->
6 <sectionGroup name = "ajaxNet">
7 <section name = "ajaxSettings" type = "AjaxPro. AjaxSettingsSectionHandler, AjaxPro.2" requirePermission = "false" restartOnExternalChanges = "true"/>
8 </sectionGroup>
9 <! -- Ajax -->
<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/>
<ConnectionStrings>
<Add name = "meinvvs2010ConnectionString" connectionString = "server = 127.0.0.1; user id = test; password = test; database = test; pooling = false" providerName = "MySql. data. mySqlClient "/>
</ConnectionStrings>
<! -- Ajax -->
<AjaxNet>
<AjaxSettings>
<UrlNamespaceMappings useAssemblyQualifiedName = "false" allowListOnly = "false"/>
<JsonConverters includeTypeProperty = "true"/>
<Debug enabled = "false"/>
<Token enabled = "false" sitePassword = "password"/>
</AjaxSettings>
</AjaxNet>
<Location path = "ajaxpro" allowOverride = "true" inheritInChildApplications = "false">
<System. web>
<Globalization requestEncoding = "UTF-8" responseEncoding = "UTF-8" fileEncoding = "UTF-8"/>
<! -- For iis7
<System. webServer>
<Handlers>
<Add verb = "*" path = "*. ashx" name = "AjaxPro" type = "AjaxPro. AjaxHandlerFactory, AjaxPro.2"/>
</Handlers>
</System. webServer> -->
<! -- For iis6 -->
<HttpHandlers>
<Add verb = "*" path = "*. ashx" type = "AjaxPro. AjaxHandlerFactory, AjaxPro.2"/>
</HttpHandlers>
</System. web>
</Location>
<! -- Ajax -->
<System. web>
<CustomErrors mode = "Off"/>
<Compilation debug = "true">
<Assemblies>
<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. Data. DataSetExtensions, Version = 3.5.0.0, Culture = neutral, PublicKeyToken = B77A5C561934E089"/>
<Add assembly = "System. Xml. Linq, Version = 3.5.0.0, Culture = neutral, PublicKeyToken = B77A5C561934E089"/>

<Add assembly = "System. ServiceModel, Version = 3.0.0.0, Culture = neutral, PublicKeyToken = b77a5c561934e089"/>
<Add assembly = "System. ServiceModel. Web, Version = 3.5.0.0, Culture = neutral, PublicKeyToken = 31bf3856ad364e35"/>
</Assemblies>

<BuildProviders>
<Remove extension = ". svc"/>
<Add extension = ". svc" type = "System. ServiceModel. Activation. ServiceBuildProvider, System. ServiceModel, Version = 3.0.0.0, Culture = neutral, PublicKeyToken = b77a5c561934e089"/>
</BuildProviders>
</Compilation>



<! --
You can use the <authentication> section to configure
Security Authentication mode, ASP. NET
This mode is used to identify the visitor.
-->
<Authentication mode = "Windows"/>
<! --
If an unprocessed error occurs during request execution,
Use the <mermerrors> section
You can configure the corresponding processing steps. Specifically,
In this section, developers can configure the html error page to be displayed,
To replace the error stack trace.

<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>
<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 "type =" System. web. handlers. scriptResourceHandler, System. web. extensions, Version = 3.5.0.0, Culture = neutral, PublicKeyToken = 31BF3856AD364E35 "validate =" false "/>
</HttpHandlers>
<HttpModules>
<Add name = "ScriptModule" type = "System. Web. Handlers. ScriptModule, System. Web. Extensions, Version = 3.5.0.0, Culture = neutral, PublicKeyToken = 31BF3856AD364E35"/>
<Add name = "ServiceModel" type = "System. ServiceModel. Activation. HttpModule, System. ServiceModel, Version = 3.0.0.0, Culture = neutral, PublicKeyToken = b77a5c561934e089"/>
</HttpModules>
</System. web>
<System. codedom>
<Compilers>
<Compiler language = "c #; cs; csharp" extension = ". cs" warningLevel = "4"
Type = "Microsoft. CSharp. CSharpCodeProvider, System, Version = 2.0.0.0, Culture = neutral, PublicKeyToken = b77a5c561934e089">
<ProviderOption name = "CompilerVersion" value = "v3.5"/>
<ProviderOption name = "WarnAsError" value = "false"/>
</Compiler>
<Compiler language = "vb; vbs; visualbasic; vbscript" extension = ". vb" warningLevel = "4"
Type = "Microsoft. VisualBasic. VBCodeProvider, System, Version = 2.0.0.0, Culture = neutral, PublicKeyToken = b77a5c561934e089">
<ProviderOption name = "CompilerVersion" value = "v3.5"/>
<ProviderOption name = "OptionInfer" value = "true"/>
<ProviderOption name = "WarnAsError" value = "false"/>
</Compiler>
</Compilers>
</System. codedom>
<! --
The system. webServer section runs ASP. net ajax under Internet Information Services 7.0.
Required. This section is not required for earlier versions of IIS.
-->
<System. webServer>
<Validation validateIntegratedModeConfiguration = "false"/>
<UrlCompression doStaticCompression = "true" doDynamicCompression = "true"/>

<HttpErrors errorMode = "Detailed"/>
<Asp scriptErrorSentToBrowser = "true"/>



<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"/>
<Remove name = "svc"/>
<Add name = "svc" path = "*. svc "verb =" * "type =" System. serviceModel. activation. httpHandler, System. serviceModel, Version = 3.0.0.0, Culture = neutral, PublicKeyToken = b77a5c561934e089 "preCondition =" integratedMode "/>

<Add verb = "*" path = "*. ashx" name = "AjaxPro" type = "AjaxPro. AjaxHandlerFactory, AjaxPro.2"/>
<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" preCondition = "integratedMode" verb = "GET, HEAD" path = "ScriptResource. axd "type =" System. web. handlers. scriptResourceHandler, System. web. extensions, Version = 3.5.0.0, Culture = neutral, PublicKeyToken = 31BF3856AD364E35 "/>
</Handlers>
</System. webServer>
<Runtime>
<AssemblyBinding appliesTo = "v2.0.50727" xmlns = "urn: schemas-microsoft-com: asm. v1">
<DependentAssembly>
<AssemblyIdentity name = "MySql. Data" publicKeyToken = "C5687FC88969C44D"/>
<! -- <BindingRedirect oldVersion = "5.0.7.0" newVersion = "6.3.2.0"/> -->
<BindingRedirect oldVersion = "5.0.7.0" newVersion = "6.2.3.0"/>
</DependentAssembly>
<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>

<System. serviceModel>
<Behaviors>
<EndpointBehaviors>
<Behavior name = "imgServiceAspNetAjaxBehavior">
<EnableWebScript/>
</Behavior>
</EndpointBehaviors>
</Behaviors>
<ServiceHostingEnvironment aspNetCompatibilityEnabled = "true">
<BaseAddressPrefixFilters>
<! -- <Add prefix = "http://demo.vs2010.com"/> -->
</BaseAddressPrefixFilters>
</ServiceHostingEnvironment>

<Services>
<Service name = "imgService">
<Endpoint address = "" behaviorConfiguration = "imgServiceAspNetAjaxBehavior"
Binding = "webHttpBinding" contract = "imgService"/>
</Service>
</Services>
</System. serviceModel>
</Configuration>

Okay. Successful! Try uploading to gd space :)

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