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Build a Simple VCL Application for SAP HANA XS Advanced Data

How to build a simple VCL Application to view SAP HANA XS Advanced data in RAD Studio using the CData FireDAC Components for SAP HANA XS Advanced.

Embarcadero RAD Studio provides a development environment for Delphi and C++Builder applications. With the CData FireDAC Components for SAP HANA XS Advanced, you gain access to live SAP HANA XS Advanced data within RAD Studio, abstracting the data into tables, views, and stored procedures that can be used to retrieve SAP HANA XS Advanced data. This article will walk through connecting to SAP HANA XS Advanced and creating a simple VCL application with the Form Designer.

Creating a VCL Application for SAP HANA XS Advanced Data

The following instructions show how to use the Form Designer to create a simple VCL Forms application that shows the basic FireDAC objects needed to connect to SAP HANA XS Advanced from any application.

The following example populates a TDBGrid control.

  1. Create a new VCL Forms Application.
  2. Drop a TFDPhysSAPHanaXSADriverLink and TFDConnection object onto the form.
  3. Double-click the TFDConnection object. The FireDAC Connection Editor is displayed. Select "CData.SAPHanaXSA" in the DriverId menu and configure the connection properties.

    SAP HANA XSA uses the OAuth authentication standard. Before connecting, it is necessary to establish an SAP HANA XSA OData Service. See the OAuth section in the Help documentation for a guide.

  4. Drop a TFDQuery object onto the form and set the properties below:

    • Connection - Set this property to the TFDConnection object, if this object is not already specified.
    • SQL - Click the button in the SQL property and enter a query.
    • Active - Set this property to true.
  5. Drop a TDataSource object onto the form and set the following property:

    • DataSet - In the menu for this property, select the name of the TFDQuery object.
  6. Drop a TDBGrid control onto the form and set the following property:

    • DataSource - Select the name of the TDataSource.
  7. Drop a TFDGUIxWaitCursor onto the form. This is required to avoid a run-time error.

You now have an executable application that displays the results of the SQL Query set in the TFDQuery object.