Compare Two List of Strings in C# and VB.NET




Imagine you have two List<String>. You want to quickly compare them to see if all the elements match each other. Here's how to do so:

C#


List<string> strList1 = new List<string>


{


    "Jack", "And", "Jill", "Went", "Up", "The", "Hill"


};


 


List<string> strList2 = new List<string>


{


    "Jack", "And", "Jill", "Went", "Down", "The", "Hill"


};


 


bool result = strList1.SequenceEqual(strList2);




VB.NET


        Dim strList1 As List(Of String) = New List(Of String)(New String() _


        {"Jack", "And", "Jill", "Went", "Up", "The", "Hill"})


 


        Dim strList2 As List(Of String) = New List(Of String)(New String() _


         {"Jack", "And", "Jill", "Went", "Down", "The", "Hill"})


 


        Dim result As Boolean = strList1.SequenceEqual(strList2)




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About The Author

Suprotim Agarwal, ASP.NET Architecture MVP works as an Architect Consultant and provides consultancy on how to design and develop Web applications.

Suprotim is also the founder and primary contributor to DevCurry, DotNetCurry and SQLServerCurry. He has also written an EBook 51 Recipes using jQuery with ASP.NET Controls.

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comments

4 Responses to "Compare Two List of Strings in C# and VB.NET"
  1. Anonymous said...
    August 14, 2010 at 10:40 PM

    Thank You.

  2. Anonymous said...
    August 29, 2010 at 4:55 PM

    muchas gracias estaba buscando esto, me ha sido de mucha ayuda

  3. Saravanan said...
    September 28, 2011 at 6:20 AM

    I was spending more than 4 hours for this and finally solved with a simple approach. THank you so much.

  4. INBAKALAYHEESWARAN CHINNAKALTHY said...
    November 27, 2012 at 10:42 PM

    hi,
    i am new in this blog.i have struggeled for Comparision of two list. the list data contains like that.

    List 1
    22 KV,11 KV,110 KV

    list 2
    22 11 115

    Actual My requirement was if List 1 having 22 KV and then List 2 value is 22 or 24.
    please give me solution or idea.


    Thanks in Advance.

 

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