dotConnect for SQLite Documentation
In This Topic
    Samples Overview
    In This Topic

    dotConnect for SQLite samples are divided into 6 categories: General demos, Entity Framework samples, LinqConnect samples, Web demos, Web Service sample, and CRM demo project. You can open all of them from the Start menu group. General samples demonstrate how to work with components, classes, technologies, and also the usage of individual data access features, Web samples show how to use dotConnect for SQLite in ASP.NET environment, and the CRM demo shows some good design and implementation practices that you can employ with dotConnect for SQLite.

    Note: in the Standard edition of dotConnect for SQLite some samples are not available.

    General Samples

    General samples are demos that demonstrate working with dotConnect for SQLite classes, components, and technologies.

    Use the Start menu group to open General samples in the language you prefer. You can also run the compiled binary, which incorporates all General samples and provides quick access to C# source, necessary SQL scripts, and run-time state.

    Sample Description
    Crystal This sample project demonstrates using dotConnect for SQLite for generating reports with Crystal Reports. Be aware that this project requires Crystal Reports, which is no longer included with Visual Studio 2010 and higher. You have to download and install Crystal Reports separately: http://scn.sap.com/docs/DOC-7824 . Then update references to the CrystalDecisions.* assemblies and rebuild the solution.
    DataReader This sample project demonstrates using SQLiteDataReader class to obtain data from a query. The sample executes SQL statement at the SQLiteCommand and gets SQLiteDataReader to retrieve data.
    DataSet This sample project demonstrates using untyped dataset with dotConnect for SQLite to review and update data. The sample uses a SQLiteDataAdapter component to fill a dataset and post updated data to a SQLite database. The SQLiteDataAdapter component uses the SQLiteCommandBuilder class to automatically generate SQL for INSERT/UPDATE/DELETE operations.
    DbDataTable This sample project demonstrates data mapping from SQLite tables and paginal access. The sample uses a SQLiteDataTable component to access data from a table and display this data in a DataGrid control.
    Note: this sample is available only in Professional Edition.
    Dump This sample project demonstrates how to backup data from database to file and then restore it. It uses the SQLiteDump component to accomplish the task.
    Note: this sample is available only in Professional Edition.
    MasterDetail This sample project demonstrates setting master-detail relation at an untyped dataset. The sample fills two tables at the dataset using the SQLiteDataAdapter component and sets master-detail relation between them.
    MetaData This sample project shows how to retrieve information about databases, tables, columns, and so on. The only method used for these tasks is GetSchema.
    Pictures This sample project demonstrates using dotConnect for SQLite for working with BLOB objects as graphics. The sample shows how to retrieve binary data from a SQLite database and display it at the monitor, load and save pictures into the file and the database.
    Table This sample project demonstrates data mapping from SQLite tables. The sample sets CommandType property of SQLiteCommand to TableDirect to access data from the table.
    Transactions This sample project demonstrates working with SQLite transactions. The sample demonstrates how to get a SQLiteTransaction object from a SQLiteConnection object, how to commit or rollback a transaction.

    Note: before running sample projects from an IDE you need to execute commands from Program Files\Devart\dotConnect\SQLite\Samples\tables.sql to create test data.

    Web Samples

    Run InstallWebTables.sql script by default located in the Program Files\Devart\dotConnect\SQLite\Web\ASP.NET 2\InstallWebTables.sql. After that use the Start menu group to open Web samples in the language you prefer.

    Sample Description
    AjaxDemo This sample demonstrates data binding and editing in an asynchronous way. The sample uses SqlDataSource component in conjuction with ASP.NET AJAX Update Panel.
    Note: this sample is available only in Professional Edition.
    CRM This sample demonstrates how SqlDatasource can be used in the complex software product such as CRM (Customer Relationship Management).
    The sample illustrates how to perform data retrieving and editing in the complex scenario using SqlDataSource. This sample is based on the CRM_DEMO database.
    Note: this sample is available only in Professional Edition.
    DataSource This sample shows how to use the SQLiteDataSource component of dotConnect for SQLite. The sample illustrates using of manual paging, auto paging and master-detail techniques with SqlDataSource component.
    Note: this sample is available only in Professional Edition.
    DataSource_devExpress This sample demonstrates using SqlDataSource with DevExpress ASPxGridView component. The ASPxGridView component uses SqlDataSource to perform asynchronous data retrieving and paging.
    Note: this sample is available only in Professional Edition.
    LoadOnDemand This sample demonstrates the load-data-on-demand technique with the dotConnect for SQL Server components.
    The sample shows how to use SqlDataSource and ObjectDataSource to retrieve data from DB asynchronously and only on user demand.
    Note: this sample is available only in Professional Edition.
    LoadOnDemand_Telerik This sample demonstrates load-data-on-demand technique with SqlDataSource component in conjuction with Telerik RadGrid control.
    Note: this sample is available only in Professional Edition.
    Web A sample on simple usage of dotConnect for SQLite in an ASP.NET application.
    WebProviders This sample shows how to use dotConnect for SQLite with ASP.NET Providers Model.

    The first part of the WebProviders sample illustrates usage of WebParts, SiteMap, WebEvent, and SessionState Providers, and the second - of Membership, Roles, and Profile Providers.
    Note: this sample is available only in Professional Edition.

    Entity Framework Samples

    Use the Start menu group to open Entity framework samples in the language you prefer. To run the samples you should have VisualStudio 2008 Service Pack 1 or later and .NET Framework 3.5 Service Pack 1 or later installed.

    Besides, to get more experience you can download the separate Entity Framework Query Samples package from our site.

    Note: these samples are available only in Professional Edition.

    Sample Description
    LinqQueries This sample shows the ways of executing LINQ to Entities queries.
    MasterDetail This sample shows how to setup master/detail relationship with the possibility of editing and saving bound entities.
    SaveChanges This sample shows data binding, the possibility of editing table entities collection in DataGridView, and saving the changes to database.

    LinqConnect Samples

    LinqConnect samples are an easy way to get started with LinqConnect applications. They demonstrate usage of Entity classes, Language-Integrated Queries, database operations within LinqConnect. These samples are based on the CRM_DEMO database.

    Use the Start menu group to open samples in the language you prefer.

    Note: these samples are available only in Professional Edition. You can get more detailed information on the LinqConnect samples in the ReadMe file by the following path - Program Files\Devart\dotConnect\Linq\Samples\Readme.html

    Web Service

    Sample Description
    Server This sample illustrates creating a web service with dotConnect for SQLite. In the provided web method dotConnect for SQLite classes are used to fill DataSet and return it to a client.
    WebClient This sample demonstrates using of the web service by the web client. The data recieved from web service is shown in GridView control.
    WinClient This sample demonstrates using of the web service by the WinForms client. The data recieved from web service is shown in the DataGridView control.

    CRM Demo

    CRM (Customer Relationship Management) is a widespread class of projects in which you can encounter many typical tasks of database applications development. This sample shows how these tasks can be resolved in the scope of approaches that are offered by dotConnect for SQLite data access solution for designing and building WinForms applications. By examining the source code of CRM demo you can see how the advanced features of dotConnect for SQLite help you build a centralized data access and storage solution. Particularly, it solves common problems like implementing flexible data binding, passing instances of data access components, controlling database connections, and so on. For more information on the best practices in the area of data access please refer to the General Concepts in Database Application Development section of dotConnect for SQLite documentation.

    To see how it works launch the compiled binary from the Start menu. This sample is based on the CRM_Demo database.

    Note: this demo is available only in Professional Edition. Also there is similar demo for ASP.NET; more detailed information on it is provided in the Web samples section.