public void MethPaySumDataBind() { //根据用户登录ID 查询 //string strWhere = Session["UserID"].ToString(); string strWhere = UserNow.UserID; //先写死测试 GridView1.DataSource = gaBll.GeMethPaySumMoney(strWhere, 0); GridView1.DataBind(); DataSet ds = gaBll.GeMethPaySumMoney(strWhere, 0); foreach (DataRow row in ds.Tables[0].Rows) { Sum += Convert.ToDouble(row["ga_sum_price"].ToString()); Session["Sum"] = Sum; } }