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How to use mid function in VB?

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2020-07-18 13:31:1217655browse

How to use mid function in VB?

#How to use the mid function in VB?

The function of the mid function in VB is to cut m characters from the nth character of the string. Its syntax is "Mid(string,start[,length])" and its parameter string is a string. Expression, the parameter start is the character position of the extracted part in the string, and the parameter length is the intercepted length.

VB What?

Visual Basic (VB for short) is a general object-based programming language developed by Microsoft. It is structured, modular, object-oriented, and includes events to assist in the development environment. A visual programming language driven by mechanisms. It is a language that can be used for Microsoft's own product development.

"Visual" refers to the method of developing a graphical user interface (GUI) - instead of writing a lot of code to describe the appearance and position of interface elements, you only need to add pre-created objects to a point on the screen That’s it. "Basic" refers to the BASIC (Beginners All-Purpose Symbolic Instruction Code) language, which is the most widely used language in the history of computing technology development.

Visual Basic is derived from the BASIC programming language. VB has a graphical user interface (GUI) and a rapid application development (RAD) system. You can easily use DAO, RDO, and ADO to connect to the database, or easily create Active X controls for efficient generation of type-safe and object-oriented applications. . Programmers can easily use the components provided by VB to quickly build an application.

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