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Creating dll in c#.


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In this blog I will tell you that how to create dll in c# by using notepad and visual studio command prompt. Here I will provide you a sample algorithm which is helpful for you while creating dll in c#.

1)      Create a class for which you want to create a dll. Like following example will be demonstrate a sample class.
/*

                This is a program which give you a demonstration that how to

                make a dll in c# using notepad and visual studio command prompt.

*/

using System;   //A basic namespace which is required for c# program.

public class Employee

{

                public void disp()

                {

                                Console.WriteLine("This is sample dll created by notepad and c# compiler.");

                }             

}

 

2)      Save this class in a file by using valid filename. I had save this file by using Employee.cs for this demonstration.

3)      Now compile this file by using following syntax.

               csc  /target:library Employee.cs

               This will create a dll for Employee class. Here target:library will denotes that a dll should be      created after compilation.

4)      Now create another file in which create a TestEmployee named class which used this dll. Following example will demonstrate use of this class.

/*

                This is a sample program which will execute

                Employee.dll

*/

using System;

public class TestEmployee

{

                public static void Main()

                {

                                Console.WriteLine("Testing of Employee.dll begins....");

                                Employee emp=new Employee();   //Create an object of Employee class.

                                emp.disp();                    //Call disp() method of Employee class.

                                Console.WriteLine("Testing of Employee.dll ends....");

                }

}

 

5)      Save this file by using TestEmployee.cs .

6)      Compile this file by using following syntax.

               csc  /reference:Employee.dll  TestEmployee.cs

Here reference word tells that Employee.dll is added in program before compiling.

7)      Now execute program by writing TextEmployee.exe and see the output.


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