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 |
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Result Data Type | Description | Single | 32-bit (4-byte) single-precision floating-point numbers |
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Quick Example | Convert.ToSingle(1.33) // Returns 1.33 |
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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