how to calculate total price using grid view values

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Can Anyone Give Code for calculate total price depands on gridview price,quantity in each row...ple help me....

my coding calculate only last row of grid...

CSS

pro_id    pro_name    quantity     price Edit Update Delete

 55       flowers         2         300
 60     party flower      1         680



              Shopping Cart Details

                                 TotalPrice : 680  //  Error


DeliveryPlace :   chennai
DeliveryCharge :   250
Tax (in %) :        10
Shipping :
NetPrice :

Error Coding:

C#

public void totalprice()
   {
       float pricee;
       int quantityy;
       foreach (GridViewRow row in GridView1.Rows)
       {
           int pro_id = Convert.ToInt32(GridView1.DataKeys[row.RowIndex][0]);
           pricee = dal.getprice(pro_id);
           quantityy = dal.getquantity(pro_id);
           float totalprice = quantityy * pricee;
           lbltprice.Text = totalprice.ToString();
       }
   }

Posted 6-Dec-11 23:16pm

M.Narmatha

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2 solutions

Solution 2

C#

// this is a javascript code used to retrieve gridview row value
function Read_Data()
{
    var str=0;
    // here grid_list is the id of your asp.net gridview
    // grid_list.ClientID gives asp.net server executed id of the gridview
    // inside the for loop cells[3] which denote 3 column from the gridview
    // str is a variable which will sum up all your row values on the column
    var Grid_Table = document.getElementById('<%=grid_list.ClientID%>');
    for(var row=1; row<Grid_Table.rows.length; row++)
    {
                    if(document.all)
                        str=str+Number(Grid_Table.rows[row].cells[3].innerText);

                    else
                        str=str+Number(Grid_Table.rows[row].cells[3].textContent);

    }
    alert(str);
    return false;
}

Posted 7-Dec-11 0:46am

vino2012

Updated 7-Dec-11 0:53am

v2

Comments

vino2012 7-Dec-11 6:56am

Reply me if the code works for your issue...........

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D K N T H · Accepted Answer · 2011-12-06T23:20:00

Solution 1

try this code:

C#

public void totalprice()
   {
       float pricee;
       int quantityy;
      float totalprice;
       foreach (GridViewRow row in GridView1.Rows)
       {
           int pro_id = Convert.ToInt32(GridView1.DataKeys[row.RowIndex][0]);
           pricee = dal.getprice(pro_id);
           quantityy = dal.getquantity(pro_id);
           totalprice += quantityy * pricee;
       }
      lbltprice.Text = totalprice.ToString();
   }

hope it helps!

don't forget to vote :)

Posted 6-Dec-11 23:20pm

D K N T H

Comments

M.Narmatha 7-Dec-11 5:33am

it shows error like : use of unassigned variable totalprice

Pramod Harithsa 7-Dec-11 8:02am

just initialise it to zero. . that should work

M.Narmatha 7-Dec-11 22:59pm

thank u so much... its working..