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LINQ to SAP Business One Data
LINQ offers versatile querying capabilities within the .NET Framework (v3.0+), offering a straightforward method for programmatic data access through CData ADO.NET Data Providers. In this article, we demonstrate the use of LINQ to retrieve information from the SAP Business One Data Provider.
This article illustrates using LINQ to access tables within the SAP Business One via the CData ADO.NET Data Provider for SAP Business One. To achieve this, we will use LINQ to Entity Framework, which facilitates the generation of connections and can be seamlessly employed with any CData ADO.NET Data Providers to access data through LINQ.
See the help documentation for a guide to setting up an EF 6 project to use the provider.
- In a new project in Visual Studio, right-click on the project and choose to add a new item. Add an ADO.NET Entity Data Model.
- Choose EF Designer from Database and click Next.
- Add a new Data Connection, and change your data source type to "CData SAP Business One Data Source".
Enter your data source connection information.
To authenticate to SAP Business One you must provide the Userand Passwordproperties.
To connect to data, specify Url. This is your SAP Business One Service Layer root URL.
Below is a typical connection string:
Url=http://localhost:50000/b1s/v1;User=username;Password=password;CompanyDB=dbname;InitiateOAuth=GETANDREFRESH- If saving your entity connection to App.Config, set an entity name. In this example we are setting SAPBusinessOneEntities as our entity connection in App.Config.
- Enter a model name and select any tables or views you would like to include in the model.
Using the entity you created, you can now perform select , update, delete, and insert commands. For example:
SAPBusinessOneEntities context = new SAPBusinessOneEntities();
var ordersQuery = from orders in context.Orders
select orders;
foreach (var result in ordersQuery) {
Console.WriteLine("{0} {1} ", result.Id, result.DocEntry);
}
See "LINQ and Entity Framework" chapter in the help documentation for example queries of the supported LINQ.
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SAP Business One ADO.NET Provider
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