How Do I Get Sum Of Column's Value At End.

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hiiii,

i have write code lyk this

C#

protected void Page_Load(object sender, EventArgs e)
   {
       if (!this.IsPostBack)
       {
           double lowerrange = 0.1;
           double upperrange = 3.0;
           double lobound=0.1;
           double upbound=0.5;
           DataTable dt = new DataTable();
           dt.Columns.Add("Random Numbers", typeof(double));
           dt.Columns.Add("loss", typeof(double));
           Random random = new Random(Guid.NewGuid().GetHashCode());
           for (int i = 0; i < 1000; i++)
           {
               DataRow dr = dt.NewRow();
               dr["Random Numbers"] = random.NextDouble() * (upperrange-lowerrange) + lowerrange;
               dr["loss"] = random.NextDouble() * (upbound - lobound) + lobound;
               dt.Rows.Add(dr);

           }
           GridView1.DataSource = dt;
           GridView1.DataBind();
       }

and generate to random number coloum and now i want to add this column's value and get sum of that value at the end plz help me for this
and
also how can i get gain
i have equation gain = (randono/loss)*100.
and want to display in third column for each row.

plz help me......

Posted 24-Sep-14 18:02pm

Desai Vatsal

Updated 24-Sep-14 18:20pm

MuhammadUSman1

v2

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MuhammadUSman1 25-Sep-14 0:36am

check solution if any issue then let me know.

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MuhammadUSman1 · Answer 1 · 2014-09-24T18:35:00

C#

//for sum of all values of one column, use following code
            var sumOfLoss = dt.Select().Sum(dr => Convert.ToDecimal(dr["loss"]));
            var sumOfRandom = dt.Select().Sum(dr => Convert.ToDecimal(dr["Random Numbers"]));//(loss,Random Numbers) your column name

if any issue then let me know

-> M.U