![](/sites/default/files/inline/images/images/image(2714).png) https://www.appeon.com/products/powerbuilder Appeon PowerBuilder is an enterprise development tool that allows you to build data-driven business applications and components. It is one of a suite of Appeon products that together provide the tools to develop client/server, Web, mobile, and distributed applications.   In this article I will show the steps to connect to Caché with Appeon PowerBuilder by using ODBC **Step1 :** Make sure ODBC Driver option is selected while installing IRIS ![](/sites/default/files/inline/images/images/image(2705).png)   **Step 2:** Configure ODBC IRIS Data Source by using ODBC Data Source Administrator  ![](/sites/default/files/inline/images/images/image(2707).png)   **Step 3:** Configure InterSystems ODBC Data Source ![](/sites/default/files/inline/images/images/image(2711).png)   **Step 4:** Test the connection (make sure IRIS instance is running) ![](/sites/default/files/inline/images/images/image(2712).png)   **Step 5: ** From PowerBuilder open Database Profiles, Select ODB ODBC from the list and click New... button ![](/sites/default/files/inline/images/images/image(2716).png)   **Step 6: ** Select Data Source "IRISHealth User" which we created by using ODBC administrator ![](/sites/default/files/inline/images/images/image(2717).png) **Step 7:** Test the connection under Preview tab by clicking Test Connection button ![](/sites/default/files/inline/images/images/image(2718).png)   **Congratulation! We have established successful connection to Caché Now we**** can view Tables and data by using PowerBuilder database painter** ![](/sites/default/files/inline/images/images/image(2720).png) Thanks