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Converting Array or List of data to String => made easy! (C#, MVC3, LINQ)

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2.33/5 (3 votes)
24 Jan 2012CPOL 9.4K  
If you're stuck with .NET 3.5, you can use the Aggregate extension method[^]:string cities_string = cities.Aggregate(new StringBuilder(), (sb, c) =>{ if (0 != sb.Length) sb.Append(", "); sb.Append(c.Name); return sb;}, sb => sb.ToString());

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18 Jan 2012Namlak
string blah = string.Join(",", cities.Select(c=> c.Name));
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18 Jan 2012wgross
I would just use:string.Join(",", cities.Select(c=>c.Name))Since Version 4 of the Framework there is an overloaded versions of string.Join for IEnumerable too. It uses a StringBuilder internally and doesn't insert a seperator after the last element as well.I could't find the Join method...
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24 Jan 2012Mikhail-T 4 alternatives  
A short one-line way to convert Array or List of any data into custom string via LINQ

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Written By
Software Developer CodeProject
United Kingdom United Kingdom
I started writing code when I was 8, with my trusty ZX Spectrum and a subscription to "Input" magazine. Spent many a happy hour in the school's computer labs with the BBC Micros and our two DOS PCs.

After a brief detour into the world of Maths, I found my way back into programming during my degree via free copies of Delphi and Visual C++ given away with computing magazines.

I went straight from my degree into my first programming job, at Trinet Ltd. Eleven years later, the company merged to become ArcomIT. Three years after that, our project manager left to set up Nevalee Business Solutions, and took me with him. Since then, we've taken on four more members of staff, and more work than you can shake a stick at. Smile | :)

Between writing custom code to integrate with Visma Business, developing web portals to streamline operations for a large multi-national customer, and maintaining RedAtlas, our general aviation airport management system, there's certainly never a dull day in the office!

Outside of work, I enjoy real ale and decent books, and when I get the chance I "tinkle the ivories" on my Technics organ.

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