asp.net - How to use SELECT in sqlcommand -

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i have 2 tables

table payment:

 paymentid   orderid{fk_payment_orderlist}    totalprice   datetime   status  refid   salereferenceid

table orderlist:

orderid    customerid   classid

i have storedprocedure :

use [miztahrirtest2] go /****** object:  storedprocedure [dbo].[insertpayment]    script date: 8/19/2015 8:51:08 pm ******/ set ansi_nulls on go set quoted_identifier on go alter procedure  [dbo].[insertpayment] @orderid int,@totalprice int,@status nvarchar(50),@new_identity    int    output begin      insert payment(orderid,totalprice,[datetime],[status],refid,salereferenceid) select max(orderid) orderlist orderid,values(@orderid,@totalprice,getdate(),@status,'','')     select @new_identity = scope_identity()     select @new_identity id     return @new_identity end

i want choose last orderid orderlist table , set in values payment table code doesn't work correctly .what should now?

you need define orderid field identity, automatically handled , should remove insert statement. can use scope_identity() id value row inserted got.

so insert statement should this:

insert payment(totalprice,[datetime],[status],refid,salereferenceid)  values(@totalprice,getdate(),@status,'','')

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