SqlCommand cmd = new SqlCommand("delete * from YiZhuList_Temp where MedName='" + medname+ "' and RecDate ='"+meddate+"'", con);
是这样的吧
SqlCommand cmd = new SqlCommand("delete from YiZhuList_Temp where MedName='" + medname+ "' and RecDate ='"+meddate+"'", con);
语法是
DELETE FROM 表名称 WHERE 列名称 = 值
delete from 表名 where 条件 你的delete 语法错了
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