请问各位是否有实现动态多栏表头的方法??

Question

合并下单元格就行了:
http://www.cnblogs.com/singlepine/archive/2005/12/30/282990.html

Answer 1

给你段源码  protected void GridView1_RowCreated(object sender, GridViewRowEventArgs e)
    {
DataControlRowType elemType=e.Row.RowType;
        if (e.Row.RowType == DataControlRowType.Header)
        {
            GridViewRow dgi = new GridViewRow(0, -1, DataControlRowType.Header, DataControlRowState.Normal);
            GridViewRow dgi1 = new GridViewRow(0, -1, DataControlRowType.Header, DataControlRowState.Normal);
            Table tb = new Table();
            tb = (Table)GridView1.Controls[0];
            tb.Rows.Clear();
            tb.Rows.AddAt(0, dgi); 
            tb.Rows.AddAt(1, dgi1);
            TableCell tc11 = new TableCell();
            TableCell tc12 = new TableCell();
            TableCell tc13 = new TableCell();
            TableCell tc14 = new TableCell();            TableCell tc20 = new TableCell();
            TableCell tc21 = new TableCell();
            TableCell tc22 = new TableCell();
            TableCell tc23 = new TableCell();
            TableCell tc24 = new TableCell();
            TableCell tc25 = new TableCell();
            TableCell tc26 = new TableCell();
            TableCell tc27 = new TableCell();
            TableCell tc28 = new TableCell();
            TableCell tc29 = new TableCell();
            TableCell tc210 = new TableCell();            tc11.Text = "类别"; 
            tc11.HorizontalAlign = HorizontalAlign.Center;  /*tc11.RowSpan = 2;*/ 
            dgi.Cells.Add(tc11);
            tc12.Text = "温度(%)"; 
            tc12.HorizontalAlign = HorizontalAlign.Center; 
            tc12.ColumnSpan = 5; 
            dgi.Cells.Add(tc12);
            tc13.Text = "相对湿度(%)"; 
            tc13.HorizontalAlign = HorizontalAlign.Center; 
            tc13.ColumnSpan = 5; 
            dgi.Cells.Add(tc13);
            tc14.Text = "操作";
            tc14.HorizontalAlign = HorizontalAlign.Center;
            tc14.RowSpan = 2;
            dgi.Cells.Add(tc14);            tc20.Text = "日期"; 
            tc20.HorizontalAlign = HorizontalAlign.Center; 
            dgi1.Cells.Add(tc20);
            tc21.Text = "表一"; 
            tc21.HorizontalAlign = HorizontalAlign.Center;
            dgi1.Cells.Add(tc21);
            tc22.Text = "表二"; 
            tc22.HorizontalAlign = HorizontalAlign.Center; 
            dgi1.Cells.Add(tc22);
            tc23.Text = "表三"; 
            tc23.HorizontalAlign = HorizontalAlign.Center; 
            dgi1.Cells.Add(tc23);
            tc24.Text = "表四"; 
            tc24.HorizontalAlign = HorizontalAlign.Center; 
            dgi1.Cells.Add(tc24);
            tc25.Text = "平均温度"; 
            tc25.HorizontalAlign = HorizontalAlign.Center; 
            dgi1.Cells.Add(tc25);
            tc26.Text = "表一"; 
            tc26.HorizontalAlign = HorizontalAlign.Center; 
            dgi1.Cells.Add(tc26);
            tc27.Text = "表二"; 
            tc27.HorizontalAlign = HorizontalAlign.Center; 
            dgi1.Cells.Add(tc27);
            tc28.Text = "表三"; 
            tc28.HorizontalAlign = HorizontalAlign.Center; 
            dgi1.Cells.Add(tc28);
            tc29.Text = "表四"; 
            tc29.HorizontalAlign = HorizontalAlign.Center; 
            dgi1.Cells.Add(tc29);
            tc210.Text = "平均湿度"; 
            tc210.HorizontalAlign = HorizontalAlign.Center; 
            dgi1.Cells.Add(tc210);            int nColumn = e.Row.Cells.Count;
            for (int i = 0; i < nColumn; i++)
            {
                e.Row.Cells.RemoveAt(0);
            }
        }        if (e.Row.RowType == DataControlRowType.Footer)
        {
            GridViewRow dgi2 = new GridViewRow(0, -1, DataControlRowType.Header, DataControlRowState.Normal);
            Table tb = new Table();
            tb = (Table)GridView1.Controls[0];
            tb.Rows.AddAt(Convert.ToInt32(GridView1.Rows.Count)+3, dgi2);
            TableCell tc11 = new TableCell();
            TableCell tc12 = new TableCell();
            TableCell tc21 = new TableCell();
            TableCell tc22 = new TableCell();            tc11.Text = "平均温度"; 
            tc11.ForeColor = Color.Black; 
            tc11.BackColor = Color.White; 
            tc11.HorizontalAlign = HorizontalAlign.Center; 
            dgi2.Cells.Add(tc11);
            //计算平均温度
            decimal Sum1=0;
            decimal Statistic1 = 0;
            for (int i = 0; i < GridView1.Rows.Count; i++)
            {
                string temp = GridView1.Rows[i].Cells[5].Text.ToString();
                if (temp == "")
                    temp = "0";
                Sum1 += Convert.ToDecimal(temp);
                Statistic1 = Sum1 / (i+1);
                Statistic1 = decimal.Round(Statistic1, 2);
            }
            tc12.Text = Statistic1.ToString(); 
            tc12.ForeColor = Color.Black; 
            tc12.BackColor = Color.White; 
            tc12.HorizontalAlign = HorizontalAlign.Center; 
            tc12.ColumnSpan = 5; 
            dgi2.Cells.Add(tc12);            tc21.Text = "平均湿度"; 
            tc21.ForeColor = Color.Black; 
            tc21.BackColor = Color.White; 
            tc21.HorizontalAlign = HorizontalAlign.Center; 
            dgi2.Cells.Add(tc21);
            //计算平均湿度
            decimal Sum2 = 0;
            decimal Statistic2 = 0;
            for (int i = 0; i < GridView1.Rows.Count; i++)
            {
                string temp = GridView1.Rows[i].Cells[10].Text.ToString();
                if (temp == "")
                    temp = "0";
                Sum2 += Convert.ToDecimal(temp);
                Statistic2 = Sum2 / (i + 1);
                Statistic2 = decimal.Round(Statistic2, 2);
            }
            tc22.Text = Statistic2.ToString(); 
            tc22.ForeColor = Color.Black; 
            tc22.BackColor = Color.White; 
            tc22.HorizontalAlign = HorizontalAlign.Center; 
            tc22.ColumnSpan = 5; 
            dgi2.Cells.Add(tc22);            int nColumn = e.Row.Cells.Count;
            for (int i = 0; i < nColumn; i++)
            {
                e.Row.Cells.RemoveAt(0);  
            }
        }
    }

Answer 2

http://singlepine.cnblogs.com/archive/2005/11/23/282990.html