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LINQ function to concatenate elements into a string Found this on MSDN where they used it to merge openXML element text; but it looks infinitely useful for other purposes. /// <summary> /// Concatenate elements /// </summary> /// <typeparam name="T"></typeparam> /// <param name="source"></param> /// <param name="func"></param> /// <returns></returns> public static string StringConcatenate<T>(this IEnumerable<T> source, Func<T, string> func) { StringBuilder sb = new StringBuilder(); foreach (T item in source) sb.Append(func(item)); return sb.ToString(); } /// <summary> /// Concatenate elements /// </summary> /// <typeparam name="T"></typeparam> /// <param name="source"></param> /// <param name="func"></param> /// <param name="separator"></param> /// <returns></returns> public static string StringConcatenate<T>(this IEnumerable<T> source, Func<T, string> func, string separator) { StringBuilder sb = new StringBuilder(); foreach (T item in source) sb.Append(func(item)).Append(separator); if (sb.Length > separator.Length) sb.Length -= separator.Length; return sb.ToString(); }
Created By: amos 4/28/2015 9:03:05 AM
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