dotConnect for MySQL samples are divided into 6 categories: General demos, Web demos, Entity Framework samples, LinqConnect samples, Web Service sample, and CRM demo project. You can open all of them from the Start menu group. The 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 MySQL in ASP.NET environment, and the CRM demo shows some good design and implementation practices that you can employ with dotConnect for MySQL.
Note: in the Standard, Mobile, and Express editions of dotConnect for MySQL some samples are not available.
General samples are demos that demonstrate working with dotConnect for MySQL 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 MySQL 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 MySqlDataReader class to obtain data from a query. The sample executes SQL statement at the MySqlCommand and gets MySqlDataReader to retrieve data. |
| DataSet | This sample project demonstrates using untyped dataset with dotConnect for MySQL to review and update data. The sample uses MySqlDataAdapter to fill a dataset and post updated data to MySQL database. MySqlDataAdapter uses MySqlCommandBuilder class to automatically generate SQL for INSERT/UPDATE/DELETE operations. |
| DbDataTable | This sample project demonstrates data mapping from MySQL tables and paginal access. The sample uses MySqlDataTable component to access data from a table and display this data in the DataGrid control. Note: this sample is available only in Professional Edition. |
| Dependency | The Dependency demo project illustrates how to use the data dependency technique. The sample watches for some tables in the database. As you modify their data, the name of the table being edited is shown in a list. Note: this sample is available for Professional and Standard Edition. |
| Dump | This sample project demonstrates how to backup data from database to file and then restore it. It uses the MySqlDump component to accomplish the task. Note: this sample is available only in Professional Edition. |
| Loader | This sample project demonstrates working with MySqlLoader component. MySqlLoader work is based on generation of INSERT statements that insert data by several rows for one time. Note: this sample is available only in Professional Edition. |
| MasterDetail | This sample project demonstrates setting master-detail relation at the untyped dataset. The sample fills two tables at dataset using MySqlDataAdapter and sets master-detail relation between them. |
| MetaData | This sample project shows how to retrieve information about databases, tables, columns, users, and so on. The only method used for these tasks is GetSchema. |
| Pictures | This sample project demonstrates using dotConnect for MySQL for working with BLOB objects as graphics. The sample demonstrates how to retrieve binary data from MySQL database and display it at the monitor, load and save pictures into the file and the database. |
| StoredProc | This sample project demonstrates how to execute a stored procedure and view modified data. |
| Table | This sample project demonstrates data mapping from MySQL tables. The sample sets CommandType property of MySqlCommand to TableDirect to access data from the table. |
| Transactions | This sample project demonstrates working with MySQL transactions in dotConnect for MySQL. The sample demonstrates how to get a MySqlTransaction object from a MySqlConnection object, how to commit or rollback a transaction. |
Note: before running sample projects from an IDE you need to execute commands from tables.sql to create test data. If C++ projects fail to open, it is possible that you do not have the assemblies Devart.Data.MySql.dll and Devart.Data.dll in GAC or project's folder.
Run InstallWebTables.sql script by default located in the Program Files\Devart\dotConnect\MySQL\Web\ASP.NET 2\InstallWebTables.sql. 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 MySqlDataSource component in conjuction with ASP.NET AJAX Update Panel. Note: this sample is available only in Professional Edition. |
| CRM | This sample demonstrates how MySqlDatasource 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 MySqlDataSource. 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 MySqlDataSource component of dotConnect for MySQL. The sample illustrates using of manual paging, auto paging and master-detail techniques with MySqlDataSource component. Note: this sample is available only in Professional Edition. |
| DataSource_devExpress | This sample demonstrates using MySqlDataSource with DevExpress ASPxGridView component. The ASPxGridView component uses MySqlDataSource 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 MySQL components. The sample shows how to use MySqlDataSource 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 MySqlDataSource 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 MySQL in an ASP.NET application. |
| WebProviders | This sample shows how to use dotConnect for MySQL with ASP.NET Providers Model. It shows WebParts, SiteMap, WebEvent, and SessionState Providers. 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.
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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. |
Note: before running sample projects from an IDE you need to execute commands from Program Files\Devart\dotConnect\MySQL\Samples\tables.sql to create test data. MySQL server 5.0 or higher should be installed on the server.
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
| Sample | Description |
|---|---|
| Server | This sample illustrates creating a web service with dotConnect for MySQL. In the provided web method dotConnect for MySQL 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 (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 MySQL 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 MySQL 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 MySQL 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.