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C#物体结构中的压缩体
原标题:Concatenating strings in C# object structure
  • 时间:2011-11-23 13:18:05
  •  标签:
  • c#
  • linq

我有这样的目标结构:

var Results = new List<ResultObj>()
    {
        new ResultObj()
        {
            Messages = new List<MessageObj>()
            {
                new MessageObj()
                {
                    Message = "message 1"
                },
                new MessageObj()
                {
                    Message = "message 2"
                }
            }
        },
        new ResultObj()
        {
            Messages = new List<MessageObj>()
            {
                new MessageObj()
                {
                    Message = "message 3"
                }
            }
        }
    }

我如何使用LINQ或另一种C#方法,以单一方式描述所有的信息价值,并合在一起? 类似于下文的内容

“主题1,信息2,信息3”

Thanks!

最佳回答

使用<代码>St.Join和SelectMany:

String.Join(", ", Results.SelectMany(x=> x.Messages).Select(y => y.Message ));
问题回答
var allStrings = results.SelectMany(r => r.Messages).Select(m => m.Message);
var joined = String.Join(", ", allStrings);




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