//造个数据表            DataTable dt = new DataTable();            dt.Columns.Add("DEcode", System.Type.GetType("System.String"));            dt.Columns.Add("DEname", System.Type.GetType("System.String"));            dt.Columns.Add("DEunit", System.Type.GetType("System.String"));            dt.Columns.Add("DEliang", System.Type.GetType("System.Double"));            dt.Columns.Add("DEprice", System.Type.GetType("System.Double"));            dt.Columns.Add("DEtotal", System.Type.GetType("System.Double"));            DataRow dr = dt.NewRow();            dr["DEcode"] = tab[0].Code;            dr["DEname"] = tab[0].Name;            dr["DEunit"] = tab[0].Unit;            dr["DEliang"] = 1;            dr["DEprice"] = tab[0].Price;            dr["DEtotal"] = Convert.ToDouble(dr["DEliang"]) * Convert.ToDouble(dr["DEprice"]);            dt.Rows.Add(dr);            //不自动显示数据源中的列名            YuSuanBiaoDGV.AutoGenerateColumns = false;            YuSuanBiaoDGV.DataSource = dt;            //绑定每列的显示字段            YuSuanBiaoDGV.Columns[0].DataPropertyName = "DEcode";            YuSuanBiaoDGV.Columns[1].DataPropertyName = "DEname";            YuSuanBiaoDGV.Columns[2].DataPropertyName = "DEunit";            YuSuanBiaoDGV.Columns[3].DataPropertyName = "DEliang";            YuSuanBiaoDGV.Columns[4].DataPropertyName = "DEprice";            YuSuanBiaoDGV.Columns[5].DataPropertyName = "DEtotal";            YuSuanBiaoDGV.Columns[3].ReadOnly = false;

 //造组,添加组            ListViewGroup ls = new ListViewGroup();            ls.Items.Add(buweiname);            ls.Tag = buweicode;            ls.Header = buweiname;            YuSuanBiao.Groups.Add(ls);            //小状态栏            GcbuweiState.Text = "当前工程部位：" + buweiname;            //添加进预算表            ListViewItem item = new ListViewItem();            item.Text = "部位";            item.Tag = buweicode;            item.Group = ls;            item.BackColor = Color.LightPink;            ListViewItem.ListViewSubItem dename = new ListViewItem.ListViewSubItem();            dename.Text = buweiname;            item.SubItems.Add(dename);            item.SubItems.Add("处");            ListViewItem.ListViewSubItem count = new ListViewItem.ListViewSubItem();            count.Text = "0";            item.SubItems.Add(count);            ListViewItem.ListViewSubItem jiage = new ListViewItem.ListViewSubItem();            double jia = PartTotalPrice(GCname.Tag.ToString(), buweicode);            jiage.Text = jia.ToString();            item.SubItems.Add(jiage);            ListViewItem.ListViewSubItem zongjia = new ListViewItem.ListViewSubItem();            double zongjiage = Convert.ToDouble(count.Text) * Convert.ToDouble(jiage.Text);            zongjia.Text = zongjiage.ToString();            item.SubItems.Add(zongjia);            YuSuanBiao.Items.Add(item);

            string[] Htxt = { "定额号", "成本价", "定额名称", "定额单位代号", "档次代号", "工艺做法", "类型代号", "价格" };            for (int i = 0; i < DExiangxiDGV.Columns.Count; i++)            {                DExiangxiDGV.Columns[i].HeaderText = Htxt[i];            }