如主表:
pcinfo_task task=new pcinfo_task();
子表:
pcinfo_target target=new pcinfo_target();
target.id=1;
target.username="a";此时:
task.pcinfo_targets.add(target);提示:pcinfo_target不包含add的定义,并且找不到可接受类型为pcinfo_target的第一个参数的扩展方法add
pcinfo_task task=new pcinfo_task();
子表:
pcinfo_target target=new pcinfo_target();
target.id=1;
target.username="a";此时:
task.pcinfo_targets.add(target);提示:pcinfo_target不包含add的定义,并且找不到可接受类型为pcinfo_target的第一个参数的扩展方法add
解决方案 »
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