asp.net增加合计行

protected void gvWorkOrder_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow) //检查是否为datarow
{

totalcash += Convert.ToDecimal(DataBinder.Eval(e.Row.DataItem, "cash"));

totalunbalanced += Convert.ToDecimal(DataBinder.Eval(e.Row.DataItem, "unbalanced"));
totalsettled += Convert.ToDecimal(DataBinder.Eval(e.Row.DataItem, "settled"));
}
else if(e.Row .RowType ==DataControlRowType .Footer )
{
e.Row.Cells[0].Text = "合计";
e.Row.Cells[1].Text = totalcash.ToString("0.00");
e.Row.Cells[2].Text = totalunbalanced.ToString("0.00");
e.Row.Cells[3].Text = totalsettled.ToString("0.00");
e.Row.Font.Bold = true;
}

　　

if (e.Row.RowType == DataControlRowType.DataRow) //检查是否为datarow
{
//DateTime PlanStart = Convert.ToDateTime(DataBinder.Eval(e.Row.DataItem, "FName")); //取得数据
//if (PlanStart < DateTime.Parse(txtStartDate.Text))
//{
//    e.Row.BackColor = System.Drawing.Color.FromName("#FFCCCC"); //颜色突出显示
//}
double totalnum=0;
double totalMoney=0;
DataRowView drvBasicCountInfor = (DataRowView)e.Row.DataItem;
double inum = Convert.ToDouble(drvBasicCountInfor[6].ToString());//6是第5列的数字
//生成总计
//totalNumber += iNumber;
totalnum += inum;
Double imoney = Convert.ToDouble(drvBasicCountInfor[8].ToString());//6是第5列的数字
//生成总计
//totalmoneyNumber += imoneyNumber;
totalMoney += imoney;

//e.Row.Cells[0].Text = "总计:";
//e.Row.Cells[5].Text = string.Format("{0}", totalnum);
e.Row.Cells[6].Text = string.Format("{0:c}", totalMoney);
e.Row.Cells[8].Text = string.Format("{0:c}", imoney);
}