can any one solve this problem?

Question

2.00/5 (1 vote)

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here is my code

C#

protected void grdTesters_RowDataBound(object sender, GridViewRowEventArgs e)
   {
       int sum;

       if (e.Row.RowType == DataControlRowType.DataRow)
       {
           sum = sum + Convert.ToInt32(DataBinder.Eval(e.Row.DataItem, "ExecutionTime"));
       }
       if (e.Row.RowType == DataControlRowType.Footer)
       {
           Label obj = (Label)e.Row.FindControl("Sum");
           obj.Text = Convert.ToString(sum);
       }

m getting error like

Error Use of unassigned local variable 'sum'

Posted 17-Feb-12 21:30pm

ythisbug

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Tapanita Nayak · Answer 1 · 2012-02-17T21:37:00

Solution 1

Its too simple you just need to assign your local variable sum some value
like int sum=0;

Posted 17-Feb-12 21:37pm

Tapanita Nayak

Varun Sareen · Answer 2 · 2012-02-17T21:40:00

Solution 2

Dear Friend,

You have not assigned any value to sum while initializing i.e.,

int sum=0;

I hope this will solve your problem.

Please don't forget to mark this as your answer if it helps you out.

Thanks

Posted 17-Feb-12 21:40pm

Varun Sareen

Comments

ythisbug 18-Feb-12 3:49am

bro i tried with int sum=0; but its working..but in total colum it showing 0 as total..

Varun Sareen 18-Feb-12 4:07am

Friend, Convert.ToInt32(DataBinder.Eval(e.Row.DataItem, "ExecutionTime") may not be giving any value and as sum=0 so it is displaying result as 0. Please check

Nilesh Patil Kolhapur · Answer 3 · 2012-02-17T21:56:00

Solution 3

hey
you used sum variable without assign any value to it so
assign 0 value to sum variable like
int sum=0;

Posted 17-Feb-12 21:56pm

Nilesh Patil Kolhapur

pongpanut · Answer 4 · 2012-02-17T22:05:00

Solution 4

try

int sum=0

and when total column = 0. please declaration sum variable out of method

Please tell me if it's work

Posted 17-Feb-12 22:05pm

pongpanut

Updated 17-Feb-12 22:07pm

v3

Supriya Srivastav · Answer 5 · 2012-02-17T22:33:00

Solution 5

You can use Compute() Method of datatable to get the column sum like.

string total = string.Format("{0:0.00}", Convert.ToDouble(datatable.Compute("sum(ExecutionTime)", null)));

Here datatable is the datasourch of your gridview.

Posted 17-Feb-12 22:33pm

Supriya Srivastav

Updated 17-Feb-12 22:34pm

v2