How to sum cell values of datagridview

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Hello Guys, i want to show sum values in last cell of each row
http://imgur.com/a/9qcKx

What I have tried:

DataSet dsa = new DataSet();
DataTable dt1 = new DataTable();
dsa.Tables.Add(dt1);
OleDbDataAdapter da = new OleDbDataAdapter();
da = new OleDbDataAdapter("SELECT column2," +
"Sum(MediumVal) As [Dine In], " +
"Sum(LargeVal) As [Deliery], " +
"Sum(RoyalVal) As [Take Away] " +
"From ( " +
"SELECT " +
"column2 As [column2], " +
"Switch(column3=\"Table1/Table\" OR column3=\"Table2/Table\"OR column3=\"Table3/Table\"OR column3=\"Table4/Table\"OR column3=\"Table5/Table\"OR column3=\"Table6/Table\"OR column3=\"Table7/Table\"OR column3=\"Table8/Table\"OR column3=\"Table9/Table\"OR column3=\"Table10/Table\"OR column3=\"Table11/Table\"OR column3=\"Table12/Table\"OR column3=\"Table13/Table\"OR column3=\"Table14/Table\"OR column3=\"Table15/Table\"OR column3=\"Table16/Table\"OR column3=\"Table17/Table\"OR column3=\"Table18/Table\"OR column3=\"Table19/Table\"OR column3=\"Table20/Table\", 1,True,0) As [MediumVal], " +
"Switch(column3=\"Table1/Delivery\"OR column3=\"Table2/Delivery\"OR column3=\"Table3/Delivery\"OR column3=\"Table4/Delivery\"OR column3=\"Table5/Delivery\"OR column3=\"Table6/Delivery\"OR column3=\"Table7/Delivery\"OR column3=\"Table8/Delivery\"OR column3=\"Table9/Delivery\"OR column3=\"Table10/Delivery\"OR column3=\"Table11/Delivery\"OR column3=\"Table12/Delivery\"OR column3=\"Table13/Delivery\"OR column3=\"Table14/Delivery\"OR column3=\"Table15/Delivery\"OR column3=\"Table16/Delivery\"OR column3=\"Table17/Delivery\"OR column3=\"Table18/Delivery\"OR column3=\"Table19/Delivery\"OR column3=\"Table20/Delivery\", 1,True,0) As [LargeVal], " +
"Switch(column3=\"Take Away\", 1,True,0) As [RoyalVal] " +
"FROM Total " +
" Where [Date] between #" + dateTimePicker1.Value.ToString("dd/MM/yyyy") +
"# AND #" + dateTimePicker2.Value.ToString("dd/MM/yyyy") + "# AND [column2] IN('Small.......','Medium......','Large.......','Ex Large....')" +
" ) Group By column2", VCON);
da.Fill(dt1);
dataGridView1.DataSource = dt1;
VCON.Close();
dataGridView1.Columns[0].Width = 286;
dataGridView1.Columns[1].Width = 180;
dataGridView1.Columns[2].Width = 180;
dataGridView1.Columns[3].Width = 180;
dataGridView1.Columns[4].Width = 180;

Posted 30-Sep-16 12:10pm

Member 9983063

Updated 2-Oct-16 2:07am

v2

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2 solutions

Solution 1

0) Create a model for your items
1) Load the results of the database query into a list of model items
2) Create a new model item that contains the desired summed fields (use LINQ to get your sums).
3) And the new model item to the list
4) Bind the list to the dataGridView control.

Posted 30-Sep-16 12:23pm

#realJSOP

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Karthik_Mahalingam · Accepted Answer · 2016-09-30T20:24:00

try like this

C#

DataTable dt = new DataTable();
           dt.Columns.Add("Size");
           dt.Columns.Add("Dine In");
           dt.Columns.Add("Delivery");
           dt.Columns.Add("Take Away");
           dt.Rows.Add("large", 12, 2, 0);
           dt.Rows.Add("Medium", 6, 1, 0);
           dt.Rows.Add("Small", 6, 1, 0);
           dataGridView1.DataSource = dt;
           for (int i = 1; i < dt.Columns.Count; i++)
           {
               double sum = 0;
               for (int j = 0; j < dt.Rows.Count; j++)
               {
                   sum += Convert.ToDouble(dt.Rows[j][i]);
               }
               dataGridView1.Rows[dt.Rows.Count].Cells[i].Value = sum.ToString();
           }