04 2021 档案
摘要：select C_ID,C_Category,E_Amount,E_Category,P_A0,P_A1 ,(CASE WHEN P_A2<0 THEN 0 ELSE P_A2 END)as P_A2 from(select *,ROW_NUMBER() over(PARTITION by C_ID
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摘要：/// <summary> /// 获取MAC地址 /// </summary> /// <returns></returns> public static string GetMacAddress() { string mac = ""; ManagementClass mc = new Mana
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