Add Serial number column

Question

1.00/5 (1 vote)

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Hi all

Below is the code by which i am printing data from dataset

C#

sr.WriteLine(i.ToString() + Strings.Space(3 - Strings.Len(i.ToString())) + String.Format("{0,-6:dd MMM yyyy}", ds.Tables[0].Rows[i][1]) + Strings.Space(13 - Strings.Len(String.Format("{0,-6:dd MMM yyyy}", ds.Tables[0].Rows[i][1]))) + Strings.Mid(per.ToString(), 1, 25) + Strings.Space(((35 - Strings.Mid(per.ToString(), 1, 25).Length))) + ds.Tables[0].Rows[i][3].ToString() + Strings.Space(12 - Strings.Len(ds.Tables[0].Rows[i][3].ToString())) + Strings.Space(12 - Strings.Len(ds.Tables[0].Rows[i][5].ToString())) + ds.Tables[0].Rows[i][5].ToString() + Strings.Space(12 - Strings.Len(ds.Tables[0].Rows[i][6].ToString())) + ds.Tables[0].Rows[i][6].ToString() + Strings.Space(12 - Strings.Len(ds.Tables[0].Rows[i][7].ToString())) + ds.Tables[0].Rows[i][7].ToString());

e.g. Records are coming like this

Date              Particulars                 ChequeNo        Withdrawals  Deposite    Balance
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
01 Nov 2011  By Cash                            0                 0.0000    210.0000      210.00
02 Nov 2011  By Cash                            0                 0.0000  15000.0000    15210.00
02 Nov 2011  To TRF TD/RD/34 DAMLE AMO          0              6000.0000      0.0000     9210.00
15 Nov 2011  By KTH ABB Cash BY CASH D          0                 0.0000   2813.0000    12023.00

Now i want to add serial number before the date.
like
1
2
3...
and suppose first time it printed 7 lines then next time the serial number should start from 8.
Please tell me how to do this.

Posted 4-Jul-14 18:17pm

Snehasish_Nandy

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Comments

DamithSL 5-Jul-14 0:27am

what you mean by next time?
can't you use integer value and increment it for each line?

PIEBALDconsult 5-Jul-14 0:33am

If SQL server, look into the ROW_NUMBER function.

Atyant Srivastava 5-Jul-14 0:40am

Use integer value and increment it for each line, once done store the last value and next time get that value to start with. You need to store the last generated value.

3 solutions

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sushil7350 · Answer 1 · 2014-07-04T18:52:00

Solution 1

set indentity(1,1) on id which having with primary key

Posted 4-Jul-14 18:52pm

sushil7350

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) · Answer 2 · 2014-07-04T19:07:00

Solution 3

The easiest way is to add another column to the query which is reading the rows. You can use the function ROW_NUMBER().

See one example - Insert row number as a column in datatable/dataset[^]

Posted 4-Jul-14 19:07pm

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ)

sushil7350 · Answer 3 · 2014-07-04T18:54:00

Solution 2

if u insert next data then it will be start from previous entry

Posted 4-Jul-14 18:54pm

sushil7350