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C# code:
insert into dom_data_value(COMPANYID,USENO,DATANO,datatime)values('" + companyid + "','" + System.Convert.ToString(n_useno) + "','" + Stemp + "',to_date('" + date + "','yyyy-mm-dd hh24:mi:ss'))";

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String.Format(
"insert into  dom_data_value(COMPANYID,USENO,DATANO,datatime)
value('{0}','{1}','{2}','{3}'",companyid ,n_useno,Stemp,DateTime.Now.ToShortDateString())


"insert into  dom_data_value(COMPANYID,USENO,DATANO,datatime) values('" + companyid + "','" + System.Convert.ToString(n_useno) + "','" + Stemp + "','" + date + "')";
DateTime.Parse(date);
»òString.Format

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insert into  dom_data_value(COMPANYID,USENO,DATANO,datatime)values("'"+companyid + "','" + System.Convert.ToString(n_useno) + "','" + Stemp + "',to_date('" + date + "','yyyy-mm-dd hh24:mi:ss'))";


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