我输出到 XML 阅读器的字符串有一点问题,字符串的第一行是一行空白,当我尝试读取字符串时,我似乎无法摆脱它由于最顶部的空白行给我这个错误。
Error on line 5 of document:
The processing instruction target matching "[xX][mM][lL]" is not allowed.
Nested exception:
The processing instruction target matching "[xX][mM][lL]" is not allowed."