GridView Summaries
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="GridViewSummaries" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server">
<asp:SqlDataSource ID="sourceProducts"
runat="server" ConnectionString="<%$ ConnectionStrings:Northwind %>"
ProviderName="System.Data.SqlClient"
SelectCommand="SELECT ProductID, ProductName, UnitPrice, UnitsInStock FROM Products">
</asp:SqlDataSource>
<asp:GridView ID="GridView1"
runat="server"
AutoGenerateColumns="False"
CellPadding="4"
DataKeyNames="ProductID"
DataSourceID="sourceProducts"
Font-Names="Verdana"
Font-Size="Small"
ForeColor="Black"
GridLines="None"
AllowPaging="True"
OnDataBound="GridView1_DataBound"
ShowFooter="True">
<FooterStyle BackColor="White" Font-Bold="True" ForeColor="White" HorizontalAlign="Center" />
<RowStyle BackColor="Pink" ForeColor="Black" />
<PagerStyle BackColor="Red" ForeColor="Black" HorizontalAlign="Center" />
<SelectedRowStyle BackColor="Red" Font-Bold="True" ForeColor="Navy" />
<HeaderStyle BackColor="White" Font-Bold="True" ForeColor="White" />
<AlternatingRowStyle BackColor="White" />
<Columns>
<asp:BoundField DataField="ProductID" HeaderText="ID" InsertVisible="False" ReadOnly="True"
SortExpression="ProductID" />
<asp:BoundField DataField="ProductName" HeaderText="Product" SortExpression="ProductName" />
<asp:BoundField DataField="UnitPrice" DataFormatString="{0:C}" HeaderText="Price"
SortExpression="UnitPrice" />
<asp:BoundField DataField="UnitsInStock" HeaderText="UnitsInStock" SortExpression="Units In Stock" />
</Columns>
</asp:GridView>
</div>
</form>
</body>
</html>
File: Default.aspx.cs
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class GridViewSummaries : System.Web.UI.Page
{
protected void GridView1_DataBound(object sender, EventArgs e)
{
decimal valueInStock = 0;
foreach (GridViewRow row in GridView1.Rows)
{
decimal price = Decimal.Parse(row.Cells[2].Text.Substring(1));
int unitsInStock = Int32.Parse(row.Cells[3].Text);
valueInStock += price * unitsInStock;
}
GridViewRow footer = GridView1.FooterRow;
footer.Cells[0].ColumnSpan = 3;
footer.Cells[0].HorizontalAlign = HorizontalAlign.Center;
footer.Cells.RemoveAt(2);
footer.Cells.RemoveAt(1);
footer.Cells[0].Text = "Total value in stock (on this page): " + valueInStock.ToString("C");
}
}
File: Web.config
<?xml version="1.0"?>
<configuration xmlns="http://schemas.microsoft.com/.NetConfiguration/v2.0">
<appSettings/>
<connectionStrings>
<add name="Northwind" connectionString="Data Source=localhost;Initial Catalog=Northwind;Integrated Security=SSPI"/>
</connectionStrings>
</configuration>
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