HotStandBy – Frequently Asked Questions (FAQ).
1) How can I force a server switchover? To do so, there is more than one possibility: Go to E3Admin of the computer in StandBy, and select Server–Activate! option, according…
Category: Elipse E3
Demo application: Using formulas (a detailed view).
The demo application attached to this articles illustrates the following Formulas’ functions: How to load formulas. How to update formulas. How to create new formulas. How to delete formulas. NOTE:…
KB-34496: Error when generating the Historic’s structure in an Access Database.
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…
KB-33850: Calculating the standard deviation in a Report.
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…
KB-34442: Limiting characters in a Setpoint with a bi-directional link.
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…
KB-30836: Installing Elipse E3 in a Sun’s VirtualBox virtual machine.
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…
KB-35519: Creating a dynamic Query to select a table at run time.
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…
KB-35481: Keyboard’s focus on a CheckBox.
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…
KB-35543: SQL query returns values only when date/time field is an exact value.
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…
KB-35479: Closing two windowed screens at the same time.
Autor
Bruno Mussarra