How I add column total in data grid view?

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i want to add column total in the last rows and down of the column which i want to sum.
i have two column

ColOne ColTwo
abc 10
axd 20
xyz 30
pqr 40

how i add sum of column ColTwo in the last row.

What I have tried:

select sum(ColTwo) From Table1;

Posted 19-Apr-16 20:55pm

Member 11028753

Updated 19-Apr-16 23:10pm

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Karthik_Mahalingam · Answer 1 · 2016-04-19T22:21:00

try with this

C#

DataTable dt = new DataTable();
               dt.Columns.Add("ColOne");
               dt.Columns.Add("ColTwo");
               dt.Rows.Add("aa", 10);
               dt.Rows.Add("cc", 20);
               dt.Rows.Add("bb", 30);
               dt.Rows.Add("dd", 40);
               dt.NewRow();

               dataGridView1.DataSource = dt;
               dataGridView1.Rows[dataGridView1.Rows.Count-1 ].Cells["ColTwo"].Value = dt.Rows.OfType<DataRow>().Sum(k => Convert.ToDouble(k["ColTwo"]));

koolprasad2003 · Answer 2 · 2016-04-19T23:10:00

Solution 2

try with below Query, check if it works

SQL

SELECT
  ColOne = ISNULL(ColOne , 'Total'),
  TotalSales = SUM(ColTwo)
FROM atable
GROUP BY ROLLUP(ColOne)

Posted 19-Apr-16 23:10pm

koolprasad2003

Comments

Member 11028753 20-Apr-16 5:57am

"SELECT Ledger.`$$Alias`, Ledger.`$Name`, Ledger.`$OpeningBalance`, Ledger.`$_ClosingBalance` FROM AMC.TallyUser.Ledger Ledger WHERE (Ledger.`$_ClosingBalance` Is Not Null) ORDER BY Ledger.`$$Alias`"

The above is my query, which is executing to get ledger name, opening balance, closing balance from tally.erp9 using odbc connection.
Thanks for your solution