dataset中表的列求和?
兄弟在dataset1中有一表:rs,其中有列字段名:rs和money;请问如何对它们分别求和并赋值给label1.text和label2.text? 问题点数:40、回复次数:2Top
1 楼neodotnet(Neodotnet)回复于 2003-09-02 12:55:41 得分 10
我对DataSet不熟,不知此法是否附合语法:
int rsAll = 0, moneyAll = 0;
for (int i = 0; i < dataset1.Table["rs"].Rows.Count; i ++)
{
rsAll += dataset1.Table["rs"].Rows[i]["rs"].Value;
moneyAll += dataset1.Table["rs"].Rows[i]["money"].Value;
}
label1.Text = rsAll.ToString();
label2.Text = moneyAll.ToString();Top
2 楼saucer(思归)回复于 2003-09-02 13:00:30 得分 30
label1.Text = dataset1.Tables["rs"].Compute("Sum(rs)", "").ToString();
label2.Text = dataset1.Tables["rs"].Compute("Sum(money)", "").ToString();
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