Data Controls :: Round Up Decimal Value Upto Two Decimal Places In GridView

i hav one data table in which some decimal values are up 6 decimal places.. im trying to bind that Data table to DataGridView while binding i want to round decimal values up to two decimal palces here is my code

dt.Columns.Add("Orderid", typeof(string));
dt.Columns.Add("tagnumber", typeof(string));
dt.Columns.Add("Minimum Value", typeof(string));
dt.Columns.Add("Maximum Value", typeof(string));
int count = ds.Tables[0].Rows.Count;
for (int i = 0; i < count; i++)

[code]...

hows hould i round up while binding..?