Question: If I try to generate the Historic’s structure in an Access Database, the following error occurs: Why does this happen? Solution: This happens because there is a limit of…
Question: How can I calculate the standard deviation in data recorded in the database, and display the result in a Report? Solution: This can be done via the Setpoint object’s…
Question: How can I set limits to the number of characters that can be read and written in a Setpoint with a bi-directional connection? Solution: To set limits to the…
Question: Why can’t E3 be installed in a Sun’s VirtualBox virtual machine? Solution: For this to happen, the VT-x/AMD-v options must be activated on the host’s and virtual machine’s BIOS…
Question: When I select a CheckBox, it receives the keyboard’s focus. However, if I press the SPACE key, the CheckBox changes its value again, causing problems to the process. How…
Question: How can I set up an SQL query to return data whenever a historic field of type date/time has a certain value? Solution: For a Microsoft SQL Server…
Question: In an application, the E3Chart and its Query are in a library to make it easier creating several equal tables. How can I configure a dynamic Query to use…
Autor
Bruno Mussarra
Autor
Mateus Machado
Question: How can I create a submenu via Viewer‘s SelectMenu() method? Solution: To do so, you must set the submenu’s options between brackets in the script. Example: Application.SelectMenu(“Option1||Option2{*Option2|Option3}|Option4|!Option5″) At runtime,…