How to sum Cell values based On same DCNo in Grid View?

Question

1.36/5 (3 votes)

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I have a gridview like

-----------------------------------------
|    Sno    |    Amount     |   DCNo    |
-----------------------------------------
|     1     |     1500      |    888    |
|     2     |     1000      |    888    |
|     3     |     2500      |    666    |
|     4     |     1500      |    666    |
-----------------------------------------

Now I want to display output like this.. My out put based on ,whenever DCNo same then it calculate the total amount.Then it will be merged cells.

----------------------------------------
|  Sno     |    Amount     |   DCNo    |
----------------------------------------
|    1     |               |           |
|    2     |    2500       |    888    |
|---------------------------------------
|    3     |     4000      |           |
|    4     |               |    666    |
 ---------------------------------------

I tried code Mergining cell

C#

protected void GVDCNoConfirm_RowDataBound(object sender, GridViewRowEventArgs e)
   {
    for (int rowIndex = GVDCNoConfirm.Rows.Count - 2;                                     rowIndex >= 0; rowIndex--)
           {
               GridViewRow gvRow = GVDCNoConfirm.Rows[rowIndex];
               GridViewRow gvPreviousRow = GVDCNoConfirm.Rows[rowIndex + 1];
               for (int cellCount = 0; cellCount < gvRow.Cells.Count;
                                                             cellCount++)
               {
                   if (gvRow.Cells[cellCount].Text ==
                                          gvPreviousRow.Cells[cellCount].Text)
                   {
                       if (gvPreviousRow.Cells[cellCount].RowSpan < 2)
                       {
                           gvRow.Cells[cellCount].RowSpan = 2;
                       }
                       else
                       {
                           gvRow.Cells[cellCount].RowSpan =
                               gvPreviousRow.Cells[cellCount].RowSpan + 1;
                       }
                       gvPreviousRow.Cells[cellCount].Visible = false;
                   }
               }
           }
        }

Now i want to display output with merged cell sum like second grid..
How can i achive this?

Posted 8-Sep-14 18:32pm

ramaraog96

Updated 26-Oct-14 23:12pm

Maciej Los

v2

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Comments

SRS(The Coder) 9-Sep-14 0:56am

Could not get your requirement :-

As in first case you sum up and displayed both the Amount and DCNo in second row second and third columns respectively
where as in second scenario you have Amount sum in first row second column and DCNo in second row third column.

Can you please clarify it bit properly ?

[no name] 9-Sep-14 1:11am

if i have more than 2 Rows Same DCNo then it automatically Total sum of Amount as in "Single Cell"

SRS(The Coder) 10-Sep-14 8:58am

Please check with LAG & LEAD keywords introduced in SQL Server.
I think if you will implement these properly, you can get your expected results.

Gupta Poonam 9-Sep-14 2:11am

Can you please clearly define your second table...Rows in second table are inconsistent. You can use Improve Question widget to edit your question.

Sinisa Hajnal 9-Sep-14 2:27am

Where did the data come from? If from a database, you should do your summing and grouping in the query, that's what databases are good at.

Prasad Avunoori 9-Sep-14 7:10am

Why don't you do that stuff at database level?

Maciej Los 27-Oct-14 5:10am

Good question! My virtual 5!

Raghav Panalkar 5-Jun-19 5:59am

Good Solution

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Abdul Samad KP · Answer 1 · 2014-10-27T20:41:00

I have another way, you can set the htmlencoding property of Sno column of your second grid to false and use the br tag

Your second grid code

XML

<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False">
       <Columns>
           <asp:BoundField DataField="Sno" HeaderText="Sno" HtmlEncode="False" />
           <asp:BoundField DataField="Amount" HeaderText="Amount" />
           <asp:BoundField DataField="DcNo" HeaderText="DcNo" />
       </Columns>
   </asp:GridView>

code to bind the grid

//Assume dtblSource is the datasource of your first grid
            //Declare a data table for grouping
            DataTable dtblGroup = new DataTable();
            dtblGroup.Columns.Add("Sno", typeof(string));
            dtblGroup.Columns.Add("Amount", typeof(decimal));
            dtblGroup.Columns.Add("DcNo", typeof(int));
           
            //Get distinct DC nos to a datatable
            DataView dv = new DataView(dtblSource);
            DataTable dtblDistinct = dv.ToTable(true, "DcNo");
            string Sno;
            decimal amount;
            int dcno;
            //loop through distinct dc nos
            foreach (DataRow drDist in dtblDistinct.Rows)
            {
                Sno = string.Empty;
                amount = 0;
                dcno = (int)drDist["DcNo"];
                DataRow[] drws = dtblSource.Select("DcNo=" + dcno.ToString());
             
                //Append slno, and sum amount
                foreach (DataRow dr in drws)
                {
                    amount += (decimal)dr["Amount"];
                    Sno = Sno + (Sno == string.Empty ? "" : "<br>") + dr["Sno"].ToString();
                }
                dtblGroup.Rows.Add(new object[] { Sno, amount, dcno });
            }
            GridView1.DataSource = dtblGroup;
            GridView1.DataBind();