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sir i am genrating autonumer using code

C#

random rn=new random, cmd.Parameters.Add(new SqlParameter("@fecultyregno",rn.Next(9999)));

i want insert value in database in this form
faculty/random number how i can do

and my sql query:::

SQL

Insert Into addfaculty(fecultyregno,post,title,firstname,middlename,lastname,dob,gender,houseno,street,correspondanceadd,pgdegree,pguniversity,pgstartingyear,pgendyear,pgspecilization,pgmarks,pgdivision,ugdegree,uguniversity,ugstartingyear,ugfinishyear,ugspecil,ugmarks,ugdiv,otherdegree,otheruniversity,otherstartingyear,otherfinishyear,otherspecil,othermarks,otherdiv,highunivert,highfinishyer,highspecilzation,highmarks,highdiv,interunivert,interfinishyear,interspecilization,intermarks,interdiv,firstinstitution,firstdesignation,firstfrom,firstto,firstjobrole,secondinstitution,seconddesignation,secondfrom,secodto,secodjobrole,nationality,city,imagepath,imgname,facdate)
values
(@fecultyregno,@post,@title,@firstname,@middlename,@lastname,@dob,@gender,@houseno,@street,@correspondanceadd,@pgdegree,@pguniversity,@pgstartingyear,@pgendyear,@pgspecilization,@pgmarks,@pgdivision,@ugdegree,@uguniversity,@ugstartingyear,@ugfinishyear,@ugspecil,@ugmarks,@ugdiv,@otherdegree,@otheruniversity,@otherstartingyear,@otherfinishyear,@otherspecil,@othermarks,@otherdiv,@highunivert,@highfinishyer,@highspecilzation,@highmarks,@highdiv,@interunivert,@interfinishyear,@interspecilization,@intermarks,@interdiv,@firstinstitution,@firstdesignation,@firstfrom,@firstto,@firstjobrole,@secondinstitution,@seconddesignation,@secondfrom,@secodto,@secodjobrole,@nationality,@city,@imagepath,@imgname,GETDATE())

Posted 13-Feb-14 20:04pm

Member 10426233

Updated 13-Feb-14 20:07pm

Snehasish_Nandy

v2

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thatraja 14-Feb-14 3:06am

Hereafter don't repost questions. Always update existing question with details(which members asked you). I have deleted your previous question as it's a duplicate of this question.

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OriginalGriff · Answer 1 · 2014-02-13T20:34:00

Solution 1

Seriously?
What happens when the random number generator duplicated a number?

And with a small phase space like that, the odds are 50-50 after only 5000 entries, so it's going to happen pretty often.

Instead, make the SQL column an Identity column, and let SQL handle the auto numbering.

Posted 13-Feb-14 20:34pm

OriginalGriff

Comments

thatraja 14-Feb-14 2:45am

Agree, 5!