如何在DataGrid中加上合计行?

我想在DataGrid的最后的一行对所有行进行统计,前面的行是捆绑DataView而得的如:
a    1  1  1
b    1  1  1
c    1  1  1
合计 3  3  3
请问大家,这如何实现?谢谢!

6 个解决方案

#1

没有用过！帮顶学习一下！

#2

高手们帮指导一下啊,或看看有别的方法实现这个目标!

#3

看看吧:
<%@ Page Language="VB" AutoEventWireup="True" %>
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.OleDb" %>
<script runat="server">
Dim Cnn as OleDbConnection

Private Sub Page_Load(ByVal Sender As System.Object, ByVal e As System.EventArgs)
    Dim connstr As String = "Provider=Microsoft.Jet.OLEDB.4.0;" & "Data Source=c:\inetpub\wwwroot\nhonline\datagrid\web_article\testcodes\14_addingcontrolstodatagridfooteritem\data.mdb"
    Dim cnn As New OleDbConnection(connstr)
    Dim da As New OleDbDataAdapter("select top 5 * from products_2", cnn)
    Dim ds As New DataSet
    da.Fill(ds, "Products")
    DataGrid1.DataSource = ds
    DataGrid1.DataBind()
End Sub

Function GetTotalPrice()
         Dim connstr As String = "Provider=Microsoft.Jet.OLEDB.4.0;" & "Data Source=c:\inetpub\wwwroot\nhonline\datagrid\web_article\testcodes\14_addingcontrolstodatagridfooteritem\data.mdb"
         Dim cnn As New OleDbConnection(connstr)
         'Dim TotalPrice as Integer
         Dim TotalPrice as double
Dim CmdDataCount as OleDbCommand
Cnn.Open()
CmdDataCount = New OleDbCommand("SELECT SUM(unitprice) FROM products_2",Cnn)
TotalPrice = CmdDataCount.ExecuteScalar()
Cnn.Close
Return (TotalPrice)
End Function

Private Sub DataGrid1_ItemCreated(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.DataGridItemEventArgs)
    If (e.Item.ItemType = ListItemType.Footer) Then
        e.Item.Cells(2).Text = "Total "
        e.Item.Cells(2).HorizontalAlign = HorizontalAlign.Right
        Dim oTextbox As New TextBox
        oTextbox.Width = New Unit(100, UnitType.Pixel)
        'oTextbox.Text = "90.3500dd"  'This can be changed to populate from some datasource.
        oTextbox.Text = GetTotalPrice()
        e.Item.Cells(3).Controls.Add(oTextbox)
    End If
End Sub

</script>
<Form runat="server">
<asp:datagrid id="DataGrid1"
              runat="server"
  width="500px"
  AllowPaging="False"
              ItemStyle-CssClass="tableItem"
  HeaderStyle-CssClass="tableHeader"
              HeaderStyle-BackColor="#aaaadd"
  AutoGenerateColumns="False"
              DataKeyField="ProductID"
  ShowFooter="True"
  BorderWidth="0"
  OnItemCreated="DataGrid1_ItemCreated"
  >
  <Columns>
       <asp:TemplateColumn headertext="Product ID">
            <ItemTemplate>
                     <asp:TextBox style="width:100px;" id="ProductID" runat="server"
                     Text='<%# Container.DataItem("ProductID") %>' >
                     </asp:TextBox>
            </ItemTemplate>
       </asp:TemplateColumn>
       <asp:TemplateColumn headertext="Product Name">
            <ItemTemplate>
                     <asp:TextBox style="width:200px;" id="ProductName" runat="server"
  Text='<%# Container.DataItem("ProductName") %>' >
                    </asp:TextBox>
             </ItemTemplate>
       </asp:TemplateColumn>
       <asp:TemplateColumn headertext="Quantity" FooterStyle-HorizontalAlign=Right  >
              <ItemTemplate>
                    <asp:TextBox style="width:100px;" id="Quantity" runat="server"
                            Text='<%# Container.DataItem("QuantityPerUnit") %>' >
                    </asp:TextBox>
               </ItemTemplate>
        </asp:TemplateColumn>
        <asp:TemplateColumn headertext="Product Price" ItemStyle-HorizontalAlign="Right">
                <ItemTemplate>
                     <asp:TextBox style="width:100px;" id="ProductPrice" runat="server"
                     Text='<%# Container.DataItem("UnitPrice") %>' >
                     </asp:TextBox>
                </ItemTemplate>
         </asp:TemplateColumn>
  </Columns>
</asp:datagrid>
</Form>

#4

在DataGrid的数据源上加合计行，具体的方法你可以在SQL语句添加，也可以在DataTable中手动添加，手动添加时请参考：

http://www.csdn.net/Develop/read_article.asp?id=22710

#5

用SQL语句加合计行,查询后再赋给DataGrid.试一下吧

#6

也可以把页脚做成合计行，页脚第一列的text值为合计，其它列为datagrid中对应列各行的和。

#1