# Welcome

![Structr](https://266117656-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FN18fCcaWiWgr6JSAUYRa%2Fuploads%2Fgit-blob-c81528b4d6ac35e974884de1b9c3427dbfa8da8e%2Flogo_100x100.png?alt=media)

**Structr** is a framework composed of several components for development of cross-platform applications on .NET by following the software development best practices and patterns. Most of components have [.NET Standard 2.0](https://docs.microsoft.com/en-us/dotnet/standard/net-standard?tabs=net-standard-2-0) as a target framework which allows you to use them in .NET Framework and any new .NET projects. All Structr components have few or no external dependencies.

## Contents

* [ASP.NET Core](https://docs.structr.dev/presentation/aspnetcore)
  * [Client](https://docs.structr.dev/presentation/aspnetcore/client)
  * [Http](https://docs.structr.dev/presentation/aspnetcore/http)
  * [JavaScript](https://docs.structr.dev/presentation/aspnetcore/javascript)
  * [Json](https://docs.structr.dev/presentation/aspnetcore/json)
  * [Mvc](https://docs.structr.dev/presentation/aspnetcore/mvc)
  * [Referrer](https://docs.structr.dev/presentation/aspnetcore/referrer)
  * [Rewrite](https://docs.structr.dev/presentation/aspnetcore/rewrite)
  * [Routing](https://docs.structr.dev/presentation/aspnetcore/routing)
  * [TagHelpers](https://docs.structr.dev/presentation/aspnetcore/taghelpers)
  * [Validation](https://docs.structr.dev/presentation/aspnetcore/validation)
* [Collections](https://docs.structr.dev/utilities/collections)
  * [AutoMapper extensions](https://docs.structr.dev/utilities/collections/automapper-extensions)
* [Email](https://docs.structr.dev/utilities/email)
  * [Razor](https://docs.structr.dev/utilities/email/razor)
* [Abstractions](https://docs.structr.dev/utilities/abstractions)
  * [Check](https://docs.structr.dev/utilities/abstractions/check)
  * [Ensure](https://docs.structr.dev/utilities/abstractions/ensure)
  * [Money](https://docs.structr.dev/utilities/abstractions/money)
  * [HierarchyId](https://docs.structr.dev/utilities/abstractions/hierarchyid)
  * [Providers](https://docs.structr.dev/utilities/abstractions/providers)
    * [SequentialGuidProvider](https://docs.structr.dev/utilities/abstractions/providers/sequentialguidprovider)
  * [Extensions](https://docs.structr.dev/utilities/abstractions/extensions)
    * [DateTime](https://docs.structr.dev/utilities/abstractions/extensions/datetime)
    * [Dictionary](https://docs.structr.dev/utilities/abstractions/extensions/dictionary)
    * [DirectoryInfo](https://docs.structr.dev/utilities/abstractions/extensions/directoryinfo)
    * [Enumerable](https://docs.structr.dev/utilities/abstractions/extensions/enumerable)
    * [Enum](https://docs.structr.dev/utilities/abstractions/extensions/enum)
    * [Expression](https://docs.structr.dev/utilities/abstractions/extensions/expression)
    * [Int](https://docs.structr.dev/utilities/abstractions/extensions/int)
    * [Long](https://docs.structr.dev/utilities/abstractions/extensions/long)
    * [MemberInfo](https://docs.structr.dev/utilities/abstractions/extensions/memberinfo)
    * [Object](https://docs.structr.dev/utilities/abstractions/extensions/object)
    * [Queryable](https://docs.structr.dev/utilities/abstractions/extensions/queryable)
    * [ServiceCollection](https://docs.structr.dev/utilities/abstractions/extensions/servicecollection)
    * [String](https://docs.structr.dev/utilities/abstractions/extensions/string)
    * [Type](https://docs.structr.dev/utilities/abstractions/extensions/type)
  * [Helpers](https://docs.structr.dev/utilities/abstractions/helpers)
    * [AsyncHelper](https://docs.structr.dev/utilities/abstractions/helpers/asynchelper)
    * [BindHelper](https://docs.structr.dev/utilities/abstractions/helpers/bindhelper)
  * [JsonConverters](https://docs.structr.dev/utilities/abstractions/jsonconverters)
    * [DateOnly](https://docs.structr.dev/utilities/abstractions/jsonconverters/dateonly)
    * [TimeOnly](https://docs.structr.dev/utilities/abstractions/jsonconverters/timeonly)
    * [StringNumber](https://docs.structr.dev/utilities/abstractions/jsonconverters/stringnumber)
* [Configuration](https://docs.structr.dev/utilities/configuration)
  * [Providers](https://docs.structr.dev/utilities/configuration/providers)
    * [JSON-file](https://docs.structr.dev/utilities/configuration/providers/jsonsettingsprovider)
    * [XML-file](https://docs.structr.dev/utilities/configuration/providers/xmlsettingsprovider)
    * [In-Memory](https://docs.structr.dev/utilities/configuration/providers/inmemorysettingsprovider)
    * [Consul](https://docs.structr.dev/utilities/configuration/providers/consulsettingsprovider)
  * [Get settings](https://docs.structr.dev/utilities/configuration/get-settings)
  * [Set settings](https://docs.structr.dev/utilities/configuration/set-settings)
  * [Customization](https://docs.structr.dev/utilities/configuration/customization)
* [Domain](https://docs.structr.dev/domain/domain)
  * [Entities](https://docs.structr.dev/domain/domain/entities)
  * [Value objects](https://docs.structr.dev/domain/domain/valueobjects)
* [Entity Framework 6](https://docs.structr.dev/data-access/entityframework)
* [Entity Framework Core](https://docs.structr.dev/data-access/entityframeworkcore)
* [IO](https://docs.structr.dev/utilities/io)
  * [FileHelper](https://docs.structr.dev/utilities/io/filehelper)
  * [MimeTypeHelper](https://docs.structr.dev/utilities/io/mimetypehelper)
  * [PathHelper](https://docs.structr.dev/utilities/io/pathhelper)
  * [SequentialFileName](https://docs.structr.dev/utilities/io/sequentialfilename)
* [Navigation](https://docs.structr.dev/utilities/navigation)
  * [Menu](https://docs.structr.dev/utilities/navigation/menu)
  * [Breadcrumbs](https://docs.structr.dev/utilities/navigation/breadcrumbs)
* [Notices](https://docs.structr.dev/use-cases/notices)
* [Operations](https://docs.structr.dev/use-cases/operations)
  * [Filtering](https://docs.structr.dev/use-cases/operations/filtering)
  * [Decoration](https://docs.structr.dev/use-cases/operations/decoration)
* [Security](https://docs.structr.dev/utilities/security)
* [Specifications](https://docs.structr.dev/use-cases/specifications)
* [Stateflows](https://docs.structr.dev/use-cases/stateflows)
  * [StateMachine](https://docs.structr.dev/use-cases/stateflows/statemachine)
  * [Configurations](https://docs.structr.dev/use-cases/stateflows/configurations)
* [Validation](https://docs.structr.dev/use-cases/validation)


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.structr.dev/readme.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
