C-Sharp ConvertToDecimal Example – Code Sample Syntax
C-Sharp ConvertToDecimal Example – Code Sample Syntax
Purpose: – Illustrates using C-Sharp ConvertToDecimal Code Example.
Purpose:
Converts positive and negative numbers into decimal data type
Syntax:
Convert.ToDecimal(expression)
Convert.ToDecimal(expression)
Parameters | Description | expression | +/-79,228,162,514,264,337,593,543,950,335 for zero-scaled numbers, i.e., numbers with no decimal places. For numbers with 28 decimal places, the range is +/-7.9228162514264337593543950335. The smallest possible non-zero number is 0.0000000000000000000000000001 (+/-1E-28). |
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Result Data Type | Description | decimal | returns decimal |
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Quick Example | Convert.ToDecimal(1.33) // Returns 1.33 |
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Step 1: Click cs to Cut-n-paste code into clsConvertToDecimal.cs
using System; public class clsConvertToDecimal { public void Main() { //**************************************************************************************** // Purpose: Converts positive and negative numbers into decimal data type // // Syntax: Convert.ToDecimal(expression) // // Parameter1: expression - +/-79,228,162,514,264,337,593,543,950,335 for zero-scaled numbers, i.e., // numbers with no decimal places. For numbers with 28 decimal places, // the range is +/-7.9228162514264337593543950335. The smallest possible non-zero // number is 0.0000000000000000000000000001 (+/-1E-28). // // Result: decimal - returns decimal // // Quick Example: Convert.ToDecimal(1.33) // Returns 1.33 // //**************************************************************************************** // This example is from http://idealprogrammer.com Console.WriteLine("Example #1: Convert.ToDecimal(expression)"); decimal decimal1 = Convert.ToDecimal(1.33); Console.WriteLine(decimal1); // Returns 1.33 //write blank line to make output easier to read Console.WriteLine(); Console.WriteLine("Example #2: Convert.ToDecimal(expression)"); decimal decimal2 = Convert.ToDecimal(-3.4); Console.WriteLine(decimal2); // Returns -3.4 //write blank line to make output easier to read Console.WriteLine(); Console.WriteLine("Example #3: Convert.ToDecimal(expression)"); decimal Decimal3 = Convert.ToDecimal(5); Console.WriteLine(Convert.ToDecimal(Decimal3)); // Returns 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 myclsConvertToDecimal As New clsConvertToDecimal myclsConvertToDecimal.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 clsConvertToDecimal to TypeConversionFunctions folder
- Right-click TypeConversionFunctions folder;
- add new item;
- Select class
- Class name could be clsConvertToDecimal
- Click on cs in code in step 1 above to copy code into clsConvertToDecimal.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