How to calculate the sum of the datatable column in asp.net?

Question

I have a DataTable which has 5 columns:

• ID
• Name
• Account Number
• Branch
• Amount

The DataTable contains 5 rows.

Answer 1

Compute Sum of Column in Datatable , Works 100%

lbl_TotaAmt.Text = MyDataTable.Compute("Sum(BalAmt)", "").ToString();

if you want to have any conditions, use it like this

   lbl_TotaAmt.Text = MyDataTable.Compute("Sum(BalAmt)", "srno=1 or srno in(1,2)").ToString();