Use the PreparedStatement Object to Perform Dynamic Query for the LogIn Table – Querying Data from Databases
2021-03-22
6.3.5 Use the PreparedStatement Object to Perform Dynamic Query for the LogIn Table In the Design View of the LogInFrame Form window, double-click on the LogIn button to open its event handler, and enter the code shown in Figure 6.15 into this event handler. Let’s have a closer look at this piece of code to see how it works. A. Two local string variables, username and password, are declared first, since we need to use them to hold the returned query results later.B. An instance of the next Java Frame Form, selFrame, is generated, and this frame form will be displayed if the login processRead More →