protected void ListBox1_SelectedIndexChanged(object sender, EventArgs e);

Error 1 'SongList.SongTyp.ListBox1_SelectedIndexChanged(object, System.EventArgs)': new protected member declared in struct E:\7cailinMusic\Default8.aspx.cs 86 20 E:\7cailinMusic\
怎样处理
这个代码怎样写

有人吗，请回答一下

protected void ListBox1_SelectedIndexChanged(object sender, EventArgs e);你直接这样写的？连{}都没？