作用是获取如下规则的编号 A+当天+序号。 A20110928001,A20110928002...
- C# code
public string GetReceiveNumber() { string todayDateString = DateTime.Now.ToString("yyyyMMdd"); string sql = "select max(reveive_number) from material_receive where subString( reveive_number,2,8)='" + todayDateString + "' "; DataSet ds = dal.GetDSBySQL(sql); if (ds.Tables[0].Rows[0][0].ToString() == "") { return "A" + todayDateString + "001"; } else { string sn = ds.Tables[0].Rows[0][0].ToString(); return sn.Substring(0, 9) + (int.Parse(sn.Substring(9)) + 1).ToString().PadLeft(3, '0'); } }
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- SQL code
---修正select 'A'+convert(varchar(12) , getdate(), 112 )+right('0000'+ltrim(row_number()over(order by getdate())),3) /*-------------------A20110928001(1 行受影响)*/
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+1