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  1. POHow to send mail in asp.net
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    <p>Hi I have written code to send mail in asp.net as follows:</p> <pre><code> MailMessage mailMessage = new MailMessage(); mailMessage.From = "xyz@gmail.com"; mailMessage.To = "abc@gmail.com"; mailMessage.Subject = "test"; mailMessage.BodyFormat = MailFormat.Text; mailMessage.Body = "this is a test mail..."; //mailMessage.Priority = MailPriority.High; SmtpMail.SmtpServer = "localhost"; SmtpMail.Send(mailMessage); lblStatus.Text = "Your mail was sent"; </code></pre> <p>and my web.config file is as follows</p> <pre><code>&lt;?xml version="1.0"?&gt; &lt;!-- Note: As an alternative to hand editing this file you can use the web admin tool to configure settings for your application. Use the Website-&gt;Asp.Net Configuration option in Visual Studio. A full list of settings and comments can be found in machine.config.comments usually located in \Windows\Microsoft.Net\Framework\v2.x\Config --&gt; &lt;configuration&gt; &lt;configSections&gt; &lt;sectionGroup name="system.web.extensions" type="System.Web.Configuration.SystemWebExtensionsSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"&gt; &lt;sectionGroup name="scripting" type="System.Web.Configuration.ScriptingSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"&gt; &lt;section name="scriptResourceHandler" type="System.Web.Configuration.ScriptingScriptResourceHandlerSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/&gt; &lt;sectionGroup name="webServices" type="System.Web.Configuration.ScriptingWebServicesSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"&gt; &lt;section name="jsonSerialization" type="System.Web.Configuration.ScriptingJsonSerializationSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="Everywhere"/&gt; &lt;section name="profileService" type="System.Web.Configuration.ScriptingProfileServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/&gt; &lt;section name="authenticationService" type="System.Web.Configuration.ScriptingAuthenticationServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/&gt; &lt;section name="roleService" type="System.Web.Configuration.ScriptingRoleServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/&gt; &lt;/sectionGroup&gt; &lt;/sectionGroup&gt; &lt;/sectionGroup&gt; &lt;/configSections&gt; &lt;system.net&gt; &lt;mailsettings&gt; &lt;smtp deliverymethod="Network"&gt; &lt;network host="localhost" port="25" defaultcredentials="true" /&gt; &lt;/smtp&gt; &lt;/mailsettings&gt; &lt;/system.net&gt; &lt;appSettings&gt; &lt;add key="ConnectionString" value="server=W2K8SERVER;database=Quiz;uid=sa;pwd=Alpha#123"/&gt; &lt;add key="Delay" value="1800000"/&gt; &lt;/appSettings&gt; &lt;connectionStrings&gt; &lt;add name="QuizConnectionString" connectionString="Data Source=W2K8SERVER;Initial Catalog=Quiz;User ID=sa;Password=Alpha#123" providerName="System.Data.SqlClient" /&gt; &lt;/connectionStrings&gt; &lt;system.web&gt; &lt;!-- Set compilation debug="true" to insert debugging symbols into the compiled page. Because this affects performance, set this value to true only during development. --&gt; &lt;compilation debug="true"&gt; &lt;assemblies&gt; &lt;add assembly="System.Core, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/&gt; &lt;add assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/&gt; &lt;add assembly="System.Data.DataSetExtensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/&gt; &lt;add assembly="System.Xml.Linq, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/&gt; &lt;/assemblies&gt; &lt;/compilation&gt; &lt;!-- The &lt;authentication&gt; section enables configuration of the security authentication mode used by ASP.NET to identify an incoming user. --&gt; &lt;authentication mode="Windows"/&gt; &lt;!-- The &lt;customErrors&gt; section enables configuration of what to do if/when an unhandled error occurs during the execution of a request. Specifically, it enables developers to configure html error pages to be displayed in place of a error stack trace. &lt;customErrors mode="RemoteOnly" defaultRedirect="GenericErrorPage.htm"&gt; &lt;error statusCode="403" redirect="NoAccess.htm" /&gt; &lt;error statusCode="404" redirect="FileNotFound.htm" /&gt; &lt;/customErrors&gt; --&gt; &lt;pages&gt; &lt;controls&gt; &lt;add tagPrefix="asp" namespace="System.Web.UI" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/&gt; &lt;add tagPrefix="asp" namespace="System.Web.UI.WebControls" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/&gt; &lt;/controls&gt; &lt;/pages&gt; &lt;httpHandlers&gt; &lt;remove verb="*" path="*.asmx"/&gt; &lt;add verb="*" path="*.asmx" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/&gt; &lt;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"/&gt; &lt;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"/&gt; &lt;/httpHandlers&gt; &lt;httpModules&gt; &lt;add name="ScriptModule" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/&gt; &lt;/httpModules&gt; &lt;/system.web&gt; &lt;system.codedom&gt; &lt;compilers&gt; &lt;compiler language="c#;cs;csharp" extension=".cs" warningLevel="4" type="Microsoft.CSharp.CSharpCodeProvider, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"&gt; &lt;providerOption name="CompilerVersion" value="v3.5"/&gt; &lt;providerOption name="WarnAsError" value="false"/&gt; &lt;/compiler&gt; &lt;compiler language="vb;vbs;visualbasic;vbscript" extension=".vb" warningLevel="4" type="Microsoft.VisualBasic.VBCodeProvider, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"&gt; &lt;providerOption name="CompilerVersion" value="v3.5"/&gt; &lt;providerOption name="OptionInfer" value="true"/&gt; &lt;providerOption name="WarnAsError" value="false"/&gt; &lt;/compiler&gt; &lt;/compilers&gt; &lt;/system.codedom&gt; &lt;!-- The system.webServer section is required for running ASP.NET AJAX under Internet Information Services 7.0. It is not necessary for previous version of IIS. --&gt; &lt;system.webServer&gt; &lt;validation validateIntegratedModeConfiguration="false"/&gt; &lt;modules&gt; &lt;remove name="ScriptModule"/&gt; &lt;add name="ScriptModule" preCondition="managedHandler" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/&gt; &lt;/modules&gt; &lt;handlers&gt; &lt;remove name="WebServiceHandlerFactory-Integrated"/&gt; &lt;remove name="ScriptHandlerFactory"/&gt; &lt;remove name="ScriptHandlerFactoryAppServices"/&gt; &lt;remove name="ScriptResource"/&gt; &lt;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"/&gt; &lt;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"/&gt; &lt;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"/&gt; &lt;/handlers&gt; &lt;/system.webServer&gt; &lt;runtime&gt; &lt;assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1"&gt; &lt;dependentAssembly&gt; &lt;assemblyIdentity name="System.Web.Extensions" publicKeyToken="31bf3856ad364e35"/&gt; &lt;bindingRedirect oldVersion="1.0.0.0-1.1.0.0" newVersion="3.5.0.0"/&gt; &lt;/dependentAssembly&gt; &lt;dependentAssembly&gt; &lt;assemblyIdentity name="System.Web.Extensions.Design" publicKeyToken="31bf3856ad364e35"/&gt; &lt;bindingRedirect oldVersion="1.0.0.0-1.1.0.0" newVersion="3.5.0.0"/&gt; &lt;/dependentAssembly&gt; &lt;/assemblyBinding&gt; &lt;/runtime&gt; &lt;/configuration&gt; </code></pre> <p>But its giving error: Unrecognized configuration section System.net/mailsettings. What should changes i do? Asp.net c# Thank you.</p>
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