ASP.NET Special Folders

Bin                               Contains assemblies used by the web application

App_Code                      C# or VB source code that is common to the web site.

                                    Utility classes, modules BasePages etc.

App_Data                       SQLExpress databases used by the web site.

App_GlobalResources      Resources shared across all pages and controls.

App_LocalResources        Resources specifi c to a page or control

App_WebReferences       References to web services

App_Themes                 Contains .skin, .css and image fi les used for the themes of the site.

App_Browsers                Optional .browser capabilities files.

ASP.NET Common Page and Control Directives

<%@ Page Language="C#" %>
<%@ Page Language="VB" %>
<%@ Page Language="C#" CodeFile="Page1.ascx.cs" Inherits="Control1" %>
<%@ Page Language="VB" CodeFile="Page1.ascx.vb" Inherits="Control1" %>

<%@ Control Language="C#" %>
<%@ Control Language="VB" %>
<%@ Control Language="C#" CodeFile="Page1.ascx.cs" Inherits="Control1" %>
<%@ Control Language="VB" CodeFile="Page1.ascx.vb" Inherits="Control1" %>

<%@ Register TagPrefi x="uc1" TagName="Control1" Src="Control1.ascx" %>
<%@ Register TagPrefi x="lvs" Namespace="Lvs.Web.UI" Assembly="Lvs.Web" %>

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

<%@ OutputCache Duration="60" VaryByParam="none" %>
<%@ OutputCache Location="Server" VaryByParam="param1;param2" Duration="60" %>
<%@ OutputCache Location="None" NoStore="true" %>

ASP.NET Code Blocks

Inline code block                                                                          
<% Response.Write("Hello World"); %>

Inline render bloc                                                                         
<%= string.Format("2+2={0}", 2+2); %>

Data binding expression block                                                        
<%# Container.ItemIndex %>

Expression block                                                                          
<%$ Resources:String, Hello %>

Page level code. Methods, properties, variable and event handlers.   
<script runat="server"></script>

ASP.NET Markup and Code in Separate Files. "code behind model"

<%@ Page Language="C#" ClassName="Page1_aspx" Inherits="Page1" CodeFile="Page1.aspx.cs" %>

ASP.NET Resources

protected void Page_Load(object sender, EventArgs e)
{
Label1.Text=Resources.Strings.Hello;
}

<asp:Label ID="Label1" Text="<%$ Resources:Strings, Hello %>" runat="server" />

ASP.NET App Settings

<appSettings>
    <add key="MyKey" value="MyValue" />
</appSettings>

ASP.NET Connection Strings

<connectionStrings>
    <add
        name="LocalSqlServer"
        connectionString="
            data source=.\SQLEXPRESS;
            Integrated Security=SSPI;
            AttachDBFilename=|DataDirectory|aspnetdb.mdf;
            User Instance=true"
        providerName="System.Data.SqlClient"
    />
</connectionStrings>

ASP.NET Authentication

<authentication mode="Windows" />

<authentication mode="Forms">
    <forms
        loginUrl="Login.aspx"
        defautUrl="Page1.aspx"
        cookieless="AutoDetect"
        domain="mydomain.com"
        requireSSL="true"
    />
</authentication>

ASP.NET Authorization

<authorization>
    <!-- Deny anonymous users -->
    <deny users="?" />
    <!-- Allow all authed users -->
    <allow users="*" />
    <!-- Allow admin role -->
    <allow roles="Admin" />
</authorization>

ASP.NET Custom Error Pages

<customeErrors mode="RemoteOnly"
                      defaultRedirect="MyErrorPage.htm">
    <error statusCode="403" redirect="NoAccess.htm" />
    <error statusCode="404" redirect="FileNotFound.htm" />
</customErrors>

ASP.NET Default Settings for Pages

<pages
    theme="MyTheme"
    styleSheetTheme="MyTheme"
    autoEventWireup="true"
    masterPageFile="MyMaster"
    pageBaseType="MyBasePage"
    userControlBaseType="MyBaseControl"
>
    <controls>
        <add tagPrefix="uc"
                tagName="MyControl"
                src="~/Controls/MyControl1.ascx" />
       <add tagPrefix="pfx"
               tagName="MyAssembly"
               src="My.Namespace" />
    </controls>
    <namespaces>
        <add namespace="System.Text" />
    </namespaces>
</pages>

ASP.NET Providers

<membership>
    <providers>
        <clear />
        <add
            name="AspNetSqlMembershipProvider"
            type="System.Web.Security.SqlMembershipProvider,
                System.Web,
                Version=2.0.0.0,
                Culture-neutral,
                PublicKeyToken=b03f5f7f11d50a3a" 
            connectionStringName="LocalSqlServer"
            enablePasswordRetrieval="false"
            enablePasswordReset="true"
            requiresQuestionAndAnswer="true"
            applicationName="/"
            requiresUniqueEmail="false"
            passwordFormat="Hashed"
            maxInvalidPasswordAttempt="5"
            minRequiredPasswordLength="7"
            minRequiredNonalphanumericCharacters="1"
            passwordAttemptWindow="10"
            passwordStrengthRegularExpression=""
        />
    </providers>
</membership>

<profile>
    <providers>"
        < clear />
        <add
            name="AspNetSqlProfi leProvider"
            connectionStringName="LocalSqlServer"
            applicationName="/"
            type="System.Web.Profi le.SqlProfi leProvider,
                     System.Web,
                     Version=2.0.0.0,
                     Culture-neutral,
                     PublicKeyToken=b03f5f7f11d50a3a"
    </providers>
</profi le>

<roleManager>
    <providers>
        <clear />
        <add
            name="AspNetSqlRoleProvider"
            connectionStringName="LocalSqlServer"
            applicationName="/"
            type="System.Web.Profi le.SqlRoleProvider,
                     System.Web,
                     Version=2.0.0.0,
                     Culture-neutral,
                     PublicKeyToken=b03f5f7f11d50a3a"
    </providers>
</roleManager>