C-Sharp ConvertToSingle Example – Code Sample Syntax
C-Sharp ConvertToSingle Example – Code Sample Syntax
Purpose: – Illustrates using C-Sharp ConvertToSingle Code Example.
Purpose:
Converts positive and negative numbers into Single data type
Syntax:
Convert.ToSingle(expression)
Convert.ToSingle(expression)
| Parameters | Description | expression | -3.402823E+38 through -1.401298E-45 for negative values; 1.401298E-45 through 3.402823E+38 for positive values |
|---|
| Result Data Type | Description | Single | 32-bit (4-byte) single-precision floating-point numbers |
|---|
| Quick Example | Convert.ToSingle(1.33) // Returns 1.33 |
|---|
Step 1: Click cs to Cut-n-paste code into clsConvertToSingle.cs
using System;
public class clsConvertToSingle
{
public void Main()
{
//*****************************************************************************************
// Purpose: Converts positive and negative numbers into Single data type
//
// Syntax: Convert.ToSingle(expression)
//
// Parameter1: expression - -3.402823E+38 through -1.401298E-45 for negative values; 1.401298E-45
// through 3.402823E+38 for positive values
//
// Result: Single - 32-bit (4-byte) single-precision floating-point numbers
//
// Quick Example: Convert.ToSingle(1.33) // Returns 1.33
//
//****************************************************************************************
// This example is from http://idealprogrammer.com
Console.WriteLine("Example #1: Convert.ToSingle(expression)");
float Single1 = Convert.ToSingle(1.33);
Console.WriteLine(Single1); // Returns 1.33
//write blank line to make output easier to read
Console.WriteLine();
Console.WriteLine("Example #2: Convert.ToSingle(expression)");
float Single2 = Convert.ToSingle(-3.4);
Console.WriteLine(Single2); // Returns -3.4
//write blank line to make output easier to read
Console.WriteLine();
Console.WriteLine("Example #3: Convert.ToSingle(expression)");
float Single3 = Convert.ToSingle(5.5);
Console.WriteLine(Convert.ToSingle(Single3)); // Returns 5.5
//Prevent console from closing before you press enter
Console.ReadLine();
}
} |
Step 2: Click cs to Cut-n-paste code into Module1.cs
Module Module1
Sub Main()
Dim myclsConvertToSingle As New clsConvertToSingle
myclsConvertToSingle.Main()
End Sub
End Module |
Prerequistes:
- Install C-Sharp (Express or Standard Edition)
- Install SQL Server Express
- Download Northwind and pubs Database
- Attach Northwind Database to Databases in Sql Express
- Attach pubs Database to Databases in Sql Express
Notes:
- Console Application is used to simplify things, but Windows Forms or Web Forms could also be used
- You can build a library of syntax examples by using same project over and over and just commenting out what you do not want to execute in Module1.cs
Instructions:
- Use C-Sharp 2010 Express or Standard Edition
- Create new project;
- Click File/New Project
- Select Console Application Template
- Select C-Sharp for Language
- name of project could be C-Sharp_Syntax.
- Add New folder named “Functions”
- Right-click project name in solution explorer;
- add new folder;
- name of folder could be: Functions
- Add New subfolder named “ConversionFunctions”
- Right-click Functions folder in solution explorer;
- add new folder;
- name of folder could be: ConversionFunctions
- Add New subfolder named “TypeConversionFunctions”
- Right-click ConversionFunctions folder in solution explorer;
- add new folder;
- name of folder could be: TypeConversionFunctions
- Add Class Named clsConvertToSingle to TypeConversionFunctions folder
- Right-click TypeConversionFunctions folder;
- add new item;
- Select class
- Class name could be clsConvertToSingle
- Click on cs in code in step 1 above to copy code into clsConvertToSingle.cs
- Click on cs in code in step 2 above to copy code into Module1.cs
- Click green arrow or press F5 to run program
