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  Tutorial: Visual Basic Introduction to Visual Basic Working With Variables Tutorial

Start learning about variables and how to store information in them.

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Working with Variables

After declaring various variables using the Dim statements, we can assign values to those variables.

The variable can be a declared variable or a control property value. The expression could be a mathematical expression, a number, a string, a Boolean value (true or false) and etc.

In order to compute inputs from users and to generate results, we need to use various mathematical operators. In Visual Basic, except for + and -, the symbols for the operators are different from normal mathematical operators.

Three variables are declared as string. For variables firstName and secondName will receive their data from the user?s input into textbox1 and textbox2, and the variable yourName will be assigned the data by combining the first two variables. Finally, yourName is displayed on Label1.

Variant means the variable can hold any numeric data type. The program computes the total and average of the three numbers that are entered into three text boxes. In the coming Lessons, we will see how to write more complex VB programs using mathematical operators and equations.


 

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