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Build a Simple VCL Application for QuickBase Data

How to build a simple VCL Application to view QuickBase data in RAD Studio using the CData FireDAC Components for QuickBase.

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

Creating a VCL Application for QuickBase 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 QuickBase from any application.

The following example populates a TDBGrid control.

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

    User Authentication Method

    To authenticate with user credentials, specify the following connection properties:

    1. Set the User and Password.
    2. If your application requires an ApplicationToken;, you must provide it otherwise an error will be thrown. You can find the ApplicationToken under SpecificApp > Settings > App management > App properties > Advanced settings > Security options > Manage Application Token.

    User Token Authentication

    To authenticate with a user token, specify the following connection properties:

    1. Set UserToken and you are ready to connect. You can find the UserToken under Quick Base > My Preferences > My User Information > Manage User Tokens.

  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.