摘要:
select sum(Convert(float,NetArea)) from T_User_Info where 1=1 select a=Convert(float,NetArea) from T_User_Info where 1=1 select NetArea from T_User_In 阅读全文
摘要:
foreach (System.Data.DataColumn col in dt1.Columns) col.ReadOnly = false; 阅读全文