How Do I Increment Rows Id By1 When Insert Query Is Executed..

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SQL

SqlCommand cmd = new SqlCommand(insert  into tab_bill(code,sub_code,name and amount) select <pre>code,sub_code,name and amount from tab_initial where code=66 &quot;, con);
          int q = cmd.ExecuteNonQuery();

I want to increment instalment_no by 1  from tab_initial(selected rows to insert)whenever this enter query will trigger from selected rows..

Posted 20-Oct-14 2:20am

10923679

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Kornfeld Eliyahu Peter · Accepted Answer · 2014-10-20T02:23:00

Solution 1

You may define the id column as IDENITY - http://msdn.microsoft.com/en-us/library/ms186775.aspx[^]
If you do so SQL will increment its value on each and every insert...

Posted 20-Oct-14 2:23am

Kornfeld Eliyahu Peter

Comments

Maciej Los 20-Oct-14 13:11pm

+5

Kornfeld Eliyahu Peter 20-Oct-14 13:15pm

Thank you...

10923679 24-Oct-14 6:18am

no... i get the solution..

for e.g

update tab_bill set instalment_no=instalment_no + 1
(select code,sub_code,name and amount from tab_initial where code=66)

Kornfeld Eliyahu Peter 25-Oct-14 13:44pm

I hope you will not be surprised when this solution will not give you unique id...

10923679 · Accepted Answer · 2014-10-24T00:21:00

Solution 2

XML

SqlCommand cmd = new SqlCommand(update tab_bill set instalment_no=instalment_no+1
select code,sub_code,name and amount from tab_initial where code=66;,con);
          int q = cmd.ExecuteNonQuery();

Posted 24-Oct-14 0:21am

10923679