What does sqr mean in vb?
Visual Basic (VB for short) is a general object-based programming language developed by Microsoft. It is structured, modular, object-oriented, and includes assistance in development A visual programming language for environmental event-driven mechanisms.
In VB, sqr is the square root.
The Sqr function returns the square root of a number.
1. Syntax
Sqr(number)
2. Note: The number parameter cannot be a negative value.
The following example uses the Sqr function to calculate the square root of a value:
Dim MySqr MySqr = Sqr(4) ' 返回 2。 MySqr = Sqr(23) ' 返回4.79583152331272。 MySqr = Sqr(0) ' 返回0。 MySqr = Sqr(-4) ' 产生实时错误。
For more VB tutorials, please visit PHP Chinese website.
The above is the detailed content of What does sqr mean in vb?. For more information, please follow other related articles on the PHP Chinese website!

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics

VB is a high-level programming language. It is a general object-based programming language. It is a visual programming language that is structured, modular, object-oriented, and includes an event-driven mechanism to assist in the development environment. It adopts Intuitive graphical user interface design allows you to develop applications by dragging and dropping controls, setting properties and writing event handlers. This visual programming method allows developers to intuitively design and program interfaces without much coding experience. .

Int in VB refers to a function that takes an integer. Its syntax is such as "int(x)", which means taking the largest integer not greater than x; functions similar to the int function include the Fix function, which deletes the decimal part and returns the remainder. the next integer.

In VB, the operation of connecting to the database usually involves the following aspects: 1. Introducing the database connection library; 2. Creating the database connection object; 3. Configuring the connection string; 4. Opening the database connection; 5. Performing database operations; 6. Process the query results; 7. Close the database connection.

VB methods to connect to the database include using the ADO object library, using the OLEDB data provider, using the ODBC data source, etc. Detailed introduction: 1. Use the ADO object library method. ADO is a COM component used to access the database. You can connect to the database and execute SQL statements through ADO. You can use the ADODB.Connection object to establish a connection with the database, and then use the ADODB.Recordset object to perform queries and manipulate data; 2. Use the OLEDB data provider method and so on.

vb connection access database method: 1. Use ADO connection, first import the System.Data.OleDb module, then define a connection string, then create an OleDbConnection object and use the Open() method to open the connection; 2. Use DAO connection, first import Microsoft.Jet.OLEDB module, then define a connection string, then create a JetConnection object and use the Open() method to open the connection.

The advantages of VB connecting to the database include: 1. Simple and easy to use; 2. Cross-platform; 3. Powerful data access function; 4. Scalability; 5. Efficiency and performance; 6. Visual development environment

In VB, connecting to the database is usually achieved using two technologies: ADO (ActiveX Data Objects) or DAO (Data Access Objects): 1. Introduce the ADO library; 2. Create the ADO connection object; 3. Configure the connection string; 4. Open the connection; 5. Execute the SQL statement; 6. Process the query results; 7. Close the connection.

Value in VB refers to the Value attribute, indicating the value assigned to the Field, Parameter or Property object; setting and returning the Variant value, used to indicate the value of the object; the default value depends on the Type attribute.