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Build a Simple VCL Application for Zoho Books データ
How to build a simple VCL Application to view Zoho Books データ in RAD Studio using the CData ODBC Driver for Zoho Books.
最終更新日：2023-06-12Embarcadero RAD Studio provides a development environment for Delphi and C++Builder applications. With the CData ODBC Driver for Zoho Books, you gain access to live Zoho Books データ within RAD Studio, abstracting the data into tables, views, and stored procedures that can be used to retrieve Zoho Books データ. This article will walk through connecting to Zoho Books and creating a simple VCL application with the Form Designer.
Create a Connection to Zoho Books データ
If you have not already, first specify connection properties in an ODBC DSN (data source name). This is the last step of the driver installation. You can use the Microsoft ODBC Data Source Administrator to create and configure ODBC DSNs.
Zoho Books 接続プロパティの取得・設定方法
以下の接続プロパティを使用して、取得されるZoho Books データを正確に絞り込むことができます。
- Region：サーバーURL のトップレベルドメイン（TLD）。アカウントが米国以外のドメインにある場合は、リージョンを適宜変更してください。
- OrganizationId（オプション）：接続先の特定のZoho Books 組織に関連付けられたID。
- Organization Id の値が接続文字列で指定されていない場合、ドライバーは利用可能なすべての組織を自動的に取得し、最初のOrganization Id をデフォルトとして選択します。
Zoho Books への認証
Zoho Books はOAuth 認証標準を使用します。詳しくは、ヘルプドキュメントの「はじめに」セクションを参照してください。
You can then follow the steps below to use the Data Explorer to create a FireDAC connection to Zoho Books データ.
- In a new VCL Forms application, expand the FireDAC node in the Data Explorer.
- Right-click the ODBC Data Source node in the Data Explorer.
- Click Add New Connection.
- Enter a name for the connection.
- In the FireDAC Connection Editor that appears, set the DataSource property to the name of the ODBC DSN for Zoho Books.
Create VCL Applications with Connectivity to Zoho Books データ
Follow the procedure below to start executing queries to Zoho Books データ from a simple VCL application that displays the results of a query in a grid.
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Drop a TFDConnection component onto the form and set the following properties:
- ConnectionDefName: Select the FireDAC connection to Zoho Books データ.
- Connected: Select True from the menu and, in the dialog that appears, enter your credentials.
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Drop a TFDQuery component onto the form and set the properties below:
- Connection: Set this property to the TFDConnection component, if this component is not already specified.
SQL: Click the button in the SQL property and enter a query. For example:
SELECT InvoiceId, InvoiceNumber FROM INVOICES WHERE CustomerName = 'NewTech Industries'- Active: Set this property to true.
Drop a TDataSource component onto the form and set the following property:
- DataSet: In the menu for this property, select the name of the TFDQuery component.
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Drop a TDBGrid control onto the form and set the following property:
- DataSource: Select the name of the TDataSource.
- 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.
Related Articles
Below you can find other articles for using the CData ODBC Driver with RAD Studio, Delphi, and C++ Builder.
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