sql = "select a.names,b.users from a inner join b on a.id=b.id";
DataTable dt =DbHelper.GetDataTable(sql);
dt.select("a.names=aa","a.id desc");
用这样的查询,会提示找不到a.names字段,这要怎么解决?谢谢
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DataTable的select方法,联合查询
sql = "select a.names,b.users from a inner join b on a.id=b.id"; DataTable dt =DbHelper.GetDataTable(sql); dt.select("a.names=aa","a.id desc"); 用这样的查询,会提示找不到a.names字段,这要怎么解决?谢谢