DataList.ShowFooter Property
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Gets or sets a value indicating whether the footer section is displayed in the DataList control.
public:
virtual property bool ShowFooter { bool get(); void set(bool value); };
[System.ComponentModel.Bindable(true)]
public virtual bool ShowFooter { get; set; }
public virtual bool ShowFooter { get; set; }
[<System.ComponentModel.Bindable(true)>]
member this.ShowFooter : bool with get, set
member this.ShowFooter : bool with get, set
Public Overridable Property ShowFooter As Boolean
Property Value
true
if the footer section is displayed; otherwise, false
. The default value is true
, however this property is only examined when the FooterTemplate property is not null
.
- Attributes
Examples
The following code example demonstrates how to use the ShowFooter property to display the footer section in the DataList control.
Note
The following code sample uses the single-file code model and may not work correctly if copied directly into a code-behind file. This code sample must be copied into an empty text file that has an .aspx extension. For more information on the Web Forms code model, see ASP.NET Web Forms Page Code Model.
<%@ Page Language="C#" AutoEventWireup="True" %>
<%@ Import Namespace="System.Data" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<script runat="server">
ICollection CreateDataSource()
{
// Create sample data for the DataList control.
DataTable dt = new DataTable();
DataRow dr;
// Define the columns of the table.
dt.Columns.Add(new DataColumn("IntegerValue", typeof(Int32)));
dt.Columns.Add(new DataColumn("StringValue", typeof(String)));
dt.Columns.Add(new DataColumn("CurrencyValue", typeof(double)));
dt.Columns.Add(new DataColumn("ImageValue", typeof(String)));
// Populate the table with sample values.
for (int i = 0; i < 9; i++)
{
dr = dt.NewRow();
dr[0] = i;
dr[1] = "Description for item " + i.ToString();
dr[2] = 1.23 * (i + 1);
dr[3] = "Image" + i.ToString() + ".jpg";
dt.Rows.Add(dr);
}
DataView dv = new DataView(dt);
return dv;
}
void Page_Load(Object sender, EventArgs e)
{
// Load sample data only once, when the page is first loaded.
if (!IsPostBack)
{
ItemsList.DataSource = CreateDataSource();
ItemsList.DataBind();
}
}
void Selection_Change(Object sender, EventArgs e)
{
// Set whether to display the header and footer sections
// of the DataList control.
ItemsList.ShowHeader = ShowHeaderCheckBox.Checked;
ItemsList.ShowFooter = ShowFooterCheckBox.Checked;
}
</script>
<head runat="server">
<title>DataList ShowHeader and ShowFooter Example</title>
</head>
<body>
<form id="form1" runat="server">
<h3>DataList ShowHeader and ShowFooter Example</h3>
Select whether to show or hide the header and footer sections.
<br /><br />
<asp:DataList id="ItemsList"
BorderColor="black"
CellPadding="5"
CellSpacing="5"
RepeatDirection="Vertical"
RepeatLayout="Table"
RepeatColumns="3"
ShowHeader="True"
ShowFooter="True"
runat="server">
<HeaderStyle BackColor="#aaaadd">
</HeaderStyle>
<FooterStyle BackColor="#aaaadd">
</FooterStyle>
<AlternatingItemStyle BackColor="Gainsboro">
</AlternatingItemStyle>
<HeaderTemplate>
List of items
</HeaderTemplate>
<FooterTemplate>
<asp:Image id="FooterImage"
GenerateEmptyAlternateText='true'
ImageUrl='FooterImage.jpg'
runat="server"/>
</FooterTemplate>
<ItemTemplate>
Description: <br />
<%# DataBinder.Eval(Container.DataItem, "StringValue") %>
<br />
Price: <%# DataBinder.Eval(Container.DataItem, "CurrencyValue", "{0:c}") %>
<br />
<asp:Image id="ProductImage"
AlternateText='<%# DataBinder.Eval(Container.DataItem, "StringValue") %>'
ImageUrl='<%# DataBinder.Eval(Container.DataItem, "ImageValue") %>'
runat="server"/>
</ItemTemplate>
</asp:DataList>
<hr />
<table cellpadding="5">
<tr>
<td>
<asp:CheckBox id="ShowHeaderCheckBox"
Text="Show header section"
Checked="True"
AutoPostBack="True"
OnCheckedChanged="Selection_Change"
runat="server"/>
</td>
<td>
<asp:CheckBox id="ShowFooterCheckBox"
Text="Show footer section"
Checked="True"
AutoPostBack="True"
OnCheckedChanged="Selection_Change"
runat="server"/>
</td>
</tr>
</table>
</form>
</body>
</html>
<%@ Page Language="VB" AutoEventWireup="True" %>
<%@ Import Namespace="System.Data" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<script runat="server">
Function CreateDataSource() As ICollection
' Create sample data for the DataList control.
Dim dt As DataTable = New DataTable()
dim dr As DataRow
' Define the columns of the table.
dt.Columns.Add(New DataColumn("IntegerValue", GetType(Int32)))
dt.Columns.Add(New DataColumn("StringValue", GetType(String)))
dt.Columns.Add(New DataColumn("CurrencyValue", GetType(Double)))
dt.Columns.Add(New DataColumn("ImageValue", GetType(String)))
' Populate the table with sample values.
Dim i As Integer
For i = 0 To 8
dr = dt.NewRow()
dr(0) = i
dr(1) = "Description for item " & i.ToString()
dr(2) = 1.23 * (i + 1)
dr(3) = "Image" & i.ToString() & ".jpg"
dt.Rows.Add(dr)
Next i
Dim dv As DataView = New DataView(dt)
Return dv
End Function
Sub Page_Load(sender As Object, e As EventArgs)
' Load sample data only once, when the page is first loaded.
If Not IsPostBack Then
ItemsList.DataSource = CreateDataSource()
ItemsList.DataBind()
End If
End Sub
Sub Selection_Change(sender As Object, e As EventArgs)
' Set whether to display the header and footer sections
' of the DataList control.
ItemsList.ShowHeader = ShowHeaderCheckBox.Checked
ItemsList.ShowFooter = ShowFooterCheckBox.Checked
End Sub
</script>
<head runat="server">
<title>DataList ShowHeader and ShowFooter Example</title>
</head>
<body>
<form id="form1" runat="server">
<h3>DataList ShowHeader and ShowFooter Example</h3>
Select whether to show or hide the header and footer sections.
<br /><br />
<asp:DataList id="ItemsList"
BorderColor="black"
CellPadding="5"
CellSpacing="5"
RepeatDirection="Vertical"
RepeatLayout="Table"
RepeatColumns="3"
ShowHeader="True"
ShowFooter="True"
runat="server">
<HeaderStyle BackColor="#aaaadd">
</HeaderStyle>
<FooterStyle BackColor="#aaaadd">
</FooterStyle>
<AlternatingItemStyle BackColor="Gainsboro">
</AlternatingItemStyle>
<HeaderTemplate>
List of items
</HeaderTemplate>
<FooterTemplate>
<asp:Image id="FooterImage"
GenerateEmptyAlternateText='true'
ImageUrl='FooterImage.jpg'
runat="server"/>
</FooterTemplate>
<ItemTemplate>
Description: <br />
<%# DataBinder.Eval(Container.DataItem, "StringValue") %>
<br />
Price: <%# DataBinder.Eval(Container.DataItem, "CurrencyValue", "{0:c}") %>
<br />
<asp:Image id="ProductImage"
AlternateText='<%# DataBinder.Eval(Container.DataItem, "StringValue") %>'
ImageUrl='<%# DataBinder.Eval(Container.DataItem, "ImageValue") %>'
runat="server"/>
</ItemTemplate>
</asp:DataList>
<hr />
<table cellpadding="5">
<tr>
<td>
<asp:CheckBox id="ShowHeaderCheckBox"
Text="Show header section"
Checked="True"
AutoPostBack="True"
OnCheckedChanged="Selection_Change"
runat="server"/>
</td>
<td>
<asp:CheckBox id="ShowFooterCheckBox"
Text="Show footer section"
Checked="True"
AutoPostBack="True"
OnCheckedChanged="Selection_Change"
runat="server"/>
</td>
</tr>
</table>
</form>
</body>
</html>
Remarks
Use the ShowFooter property to specify whether the footer section is displayed in the DataList control.
You can control the appearance of the footer section by setting the FooterStyle property. The contents of the footer section are controlled by the FooterTemplate property.