请任何人帮助我解决我工作中发生的这些错误,这让我现在发疯了。我想知道它下面的模式元素是否正确,如果不正确,请帮助我解决这个问题。我使用 C# 编程编写了代码来运行它,当我使用方法时adapter.Fill(ds)
,输出给出如下错误:
SqlException 捕获:“,”附近的语法错误
<xs:appinfo>
<wang:relation parent="n_person" parentKey="login" child="n_address" childKey="person_id"/>
<wang:relation parent="n_org" parentKey="name" child="n_address" childKey="org_id"/>
<wang:directive sql="SELECT street, city, province, postcode, sid, NULL FROM s_address,
s_student WHERE s_address.aid = s_student.fk_add;"/>
<wang:directive sql="SELECT street, city, province, postcode, pid, NULL FROM s_address,
s_professor WHERE s_address.aid = s_professor.fk_add;"/>
<wang:directive sql="SELECT street, city, province, postcode, NULL, name FROM s_address,
s_department WHERE s_address.aid = s_department.fk_add;"/>
</xs:appinfo>