A database application, and often need to provide data input function, which allows users to input data, and deposited in the database, which relates to the legality of a data entry problem. If using PowerBuilder to write such a procedure, to achieve this is very convenient, because PowerBuilder data input of each control input can be its own control, but Delphi did not provide this function. We use Delphi to prepare such a program, will need to have written some code to achieve. The following is common to cite an example.

Delphi中对用户输入数据的控制
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