将字符串列表连接成逗号分隔字符串的简单方法,其中字符串是对象的成员?

试试这个:

String.Join(", ", tagList.Select(t => t.Description).ToArray());

抱歉,我刚刚又读了一遍,看到您正在使用VS2005;所以,也许最好的办法就是创造一个 StringBuilder 并连接您的 tag.Description .

这里有一个VisualStudio2005解决方案

Public Function ConcatDescription(ByVal list As List(Of Tag) As String
  Dim builder as New StringBuilder
  Dim isFirst As Boolean = True
  For Each t As Tag in list   
    If Not isFirst Then
      builder.Append(","c)
    End If
    builder.Append(t.Description)
    isFirst = False
  Next
  Return builder.ToString()
End Function