.netstandard distinctby iqueryable

public static IQueryable<TSource> DistinctBy<TSource, TKey>(
	this IQueryable<TSource> source,
    Expression<Func<TSource, TKey>> keySelector)
    {
    	return source.GroupBy(keySelector).Select(grouping => grouping.FirstOrDefault());
	}

Source: stackoverflow.com

Similar codes

0 vote164 views1 answer
Get patht bim 360 revit api
C#
0 vote183 views1 answer
How to hide tree level button when no record found for devexpress child grid view in Winform c#
C#
0 vote166 views1 answer
Unity callback
C#Unity
1 vote163 views1 answer
C# write text before user input
C#
0 vote165 views4 answers
Hovercraft Physics in Unity
C#
121 votes258 views6 answers
Generate a random number in c#
C#
1 vote175 views1 answer
Unity mesh showing Instance
C#Unity
0 vote169 views1 answer
How to set unique constraint from EF core
C#
0 vote166 views1 answer
C# summary angle brackets
C#
0 vote172 views1 answer
C# gridview summary item displayformat
C#