dotConnect for DB2 samples are divided into 5 categories: General demos, Entity Framework 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 DB2 in ASP.NET environment, and the CRM demo shows some good design and implementation practices that you can employ with dotConnect for DB2.
General samples are demos that demonstrate working with dotConnect for DB2 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 DB2 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 DB2DataReader class to obtain data from a query. The sample executes SQL statement at the DB2Command and gets DB2DataReader to retrieve data. |
| DataSet | This sample project demonstrates using untyped dataset with dotConnect for DB2 to review and update data. The sample uses a DB2DataAdapter component to fill a dataset and post updated data to a DB2 database. The DB2DataAdapter component uses the DB2CommandBuilder class to automatically generate SQL for INSERT/UPDATE/DELETE operations. |
| DbDataTable | This sample project demonstrates data mapping from DB2 tables and paginal access. The sample uses a DB2DataTable component to access data from a table and display this data in a DataGrid control. |
| Loader | This sample project demonstrates working with the DB2Loader component. DB2Loader's work is based on generation of INSERT statements that insert data by several rows for one time. |
| MasterDetail | This sample project demonstrates setting master-detail relation at an untyped dataset. The sample fills two tables at the dataset using the DB2DataAdapter 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 DB2 for working with BLOB objects as graphics. The sample shows how to retrieve binary data from a DB2 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 DB2 tables. The sample sets CommandType property of DB2Command to TableDirect to access data from the table. |
| Transactions | This sample project demonstrates working with DB2 transactions. The sample demonstrates how to get a DB2Transaction object from a DB2Connection 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\DB2\Samples\tables.sql to create test data.
Run InstallWebTables.sql script by default located in the Program Files\Devart\dotConnect\DB2\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 DB2DataSource component in conjuction with ASP.NET AJAX Update Panel. |
| CRM | This sample demonstrates how DB2DataSource 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 DB2DataSource. This sample is based on the CRM_DEMO database. |
| DataSource | This sample shows how to use the DB2DataSource component of dotConnect for DB2. The sample illustrates using of manual paging, auto paging and master-detail techniques with DB2DataSource component. |
| DataSource_devExpress | This sample demonstrates using DB2DataSource with DevExpress ASPxGridView component. The ASPxGridView component uses DB2DataSource to perform asynchronous data retrieving and paging. |
| LoadOnDemand | This sample demonstrates the load-data-on-demand technique with the dotConnect for DB2 components. The sample shows how to use DB2DataSource and ObjectDataSource to retrieve data from DB asynchronously and only on user demand. |
| LoadOnDemand_Telerik | This sample demonstrates load-data-on-demand technique with DB2DataSource component in conjuction with Telerik RadGrid control. |
| Web | A sample on simple usage of dotConnect for DB2 in an ASP.NET application. |
| WebProviders | This sample shows how to use dotConnect for DB2 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. |
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.
| 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. |
| Sample | Description |
|---|---|
| Server | This sample illustrates creating a web service with dotConnect for DB2. In the provided web method dotConnect for DB2 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 DB2 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 DB2 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 DB2 documentation.
To see how it works launch the compiled binary from the Start menu. This sample is based on the CRM_Demo database.
Note: there is similar demo for ASP.NET; more detailed information on it is provided in the Web samples section.