Mega Code Archive

 
Categories / ASP.Net / Data Binding
 

Displaying Column Summaries

<%@ Page Language="C#" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <script runat="server">     private decimal _totals = 0;     protected void grdProducts_RowDataBound(object sender, GridViewRowEventArgs e)     {         if (e.Row.RowType == DataControlRowType.DataRow)         {             decimal totals = (decimal)DataBinder.Eval(e.Row.DataItem, "BoxOfficeTotals");             _totals += totals;         }         if (e.Row.RowType == DataControlRowType.Footer)         {             Label lblSummary = (Label)e.Row.FindControl("lblSummary");             lblSummary.Text = String.Format("Total: {0:c}", _totals);         }     } </script> <html xmlns="http://www.w3.org/1999/xhtml" > <head id="Head1" runat="server">     <title>Summary Column</title> </head> <body>     <form id="form1" runat="server">     <div>     <asp:GridView         id="grdProducts"         DataSourceID="srcProducts"         OnRowDataBound="grdProducts_RowDataBound"         AutoGenerateColumns="false"         ShowFooter="true"         Runat="server">         <Columns>         <asp:BoundField             DataField="Title"             HeaderText="Title" />         <asp:TemplateField HeaderText="Box Office Totals">         <ItemTemplate>             <%# Eval("BoxOfficeTotals", "{0:c}") %>         </ItemTemplate>         <FooterTemplate>             <asp:Label                 id="lblSummary"                 Runat="server" />         </FooterTemplate>         </asp:TemplateField>         </Columns>     </asp:GridView>     <asp:SqlDataSource         id="srcProducts"         ConnectionString="<%$ ConnectionStrings:Products %>"         SelectCommand="SELECT * FROM Products"         Runat="server" />     </div>     </form> </body> </html> File: Web.config <configuration>   <connectionStrings>     <add name="Products"           connectionString="Data Source=.\SQLEXPRESS;          AttachDbFilename=|DataDirectory|MyDatabase.mdf;Integrated Security=True;User Instance=True" />   </connectionStrings> </configuration>