RepeatLayout Énumération
Définition
Important
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Spécifie la disposition des éléments dans un contrôle de liste.
public enum class RepeatLayout
public enum RepeatLayout
type RepeatLayout =
Public Enum RepeatLayout
- Héritage
Champs
Flow | 1 | Les éléments sont affichés sans structure tabulaire. Le balisage rendu se compose d'un élément |
OrderedList | 3 | Les éléments sont affichés sans structure tabulaire. Le balisage rendu se compose d'un élément |
Table | 0 | Les éléments sont affichés dans un tableau. |
UnorderedList | 2 | Les éléments sont affichés sans structure tabulaire. Le balisage rendu se compose d'un élément |
Exemples
L’exemple suivant montre un contrôle de liste dont la disposition est définie par la valeur d’énumération Table
.
<%@ 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 Button_Click(Object sender, EventArgs e)
{
// Set the repeat direction based on the selected value of the
// DirectionList DropDownList control.
ItemsList.RepeatDirection =
(RepeatDirection)DirectionList.SelectedIndex;
// Set the repeat layout based on the selected value of the
// LayoutList DropDownList control.
ItemsList.RepeatLayout = (RepeatLayout)LayoutList.SelectedIndex;
// Set the number of columns to display based on the selected
// value of the ColumnsList DropDownList control.
ItemsList.RepeatColumns = ColumnsList.SelectedIndex;
// Show or hide the gridlines based on the value of the
// ShowBorderCheckBox property. Note that gridlines are displayed
// only if the RepeatLayout property is set to Table.
if ((ShowBorderCheckBox.Checked)
&& (ItemsList.RepeatLayout == RepeatLayout.Table))
{
ItemsList.BorderWidth = Unit.Pixel(1);
ItemsList.GridLines = GridLines.Both;
}
else
{
ItemsList.BorderWidth = Unit.Pixel(0);
ItemsList.GridLines = GridLines.None;
}
}
</script>
<head runat="server">
<title>DataList Example</title>
</head>
<body>
<form id="form1" runat="server">
<h3>DataList Example</h3>
<asp:DataList id="ItemsList"
BorderColor="black"
CellPadding="5"
CellSpacing="5"
RepeatDirection="Vertical"
RepeatLayout="Table"
RepeatColumns="0"
BorderWidth="0"
runat="server">
<HeaderStyle BackColor="#aaaadd">
</HeaderStyle>
<AlternatingItemStyle BackColor="Gainsboro">
</AlternatingItemStyle>
<HeaderTemplate>
List of items
</HeaderTemplate>
<ItemTemplate>
Description: <br />
<%# DataBinder.Eval(Container.DataItem, "StringValue") %>
<br />
Price: <%# DataBinder.Eval(Container.DataItem, "CurrencyValue", "{0:c}") %>
<br />
<asp:Image id="ProductImage"
AlternatingText='<%# DataBinder.Eval(Container.DataItem, "StringValue") %>'
ImageUrl='<%# DataBinder.Eval(Container.DataItem, "ImageValue") %>'
runat="server"/>
</ItemTemplate>
</asp:DataList>
<hr />
<table cellpadding="5">
<tr>
<th>
Repeat direction:
</th>
<th>
Repeat layout:
</th>
<th>
Repeat columns:
</th>
<th>
<asp:CheckBox id="ShowBorderCheckBox"
Text="Show border"
Checked="False"
runat="server" />
</th>
</tr>
<tr>
<td>
<asp:DropDownList id="DirectionList"
runat="server">
<asp:ListItem>Horizontal</asp:ListItem>
<asp:ListItem Selected="True">Vertical</asp:ListItem>
</asp:DropDownList>
</td>
<td>
<asp:DropDownList id="LayoutList"
runat="server">
<asp:ListItem Selected="True">Table</asp:ListItem>
<asp:ListItem>Flow</asp:ListItem>
</asp:DropDownList>
</td>
<td>
<asp:DropDownList id="ColumnsList"
runat="server">
<asp:ListItem Selected="True">0</asp:ListItem>
<asp:ListItem>1</asp:ListItem>
<asp:ListItem>2</asp:ListItem>
<asp:ListItem>3</asp:ListItem>
<asp:ListItem>4</asp:ListItem>
<asp:ListItem>5</asp:ListItem>
</asp:DropDownList>
</td>
<td>
</td>
</tr>
</table>
<asp:LinkButton id="RefreshButton"
Text="Refresh DataList"
OnClick="Button_Click"
runat="server"/>
</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 Button_Click(sender As Object, e As EventArgs)
' Set the repeat direction based on the selected value of the
' DirectionList DropDownList control.
ItemsList.RepeatDirection = _
CType(DirectionList.SelectedIndex, RepeatDirection)
' Set the repeat layout based on the selected value of the
' LayoutList DropDownList control.
ItemsList.RepeatLayout = CType(LayoutList.SelectedIndex, RepeatLayout)
' Set the number of columns to display based on the selected
' value of the ColumnsList DropDownList control.
ItemsList.RepeatColumns = ColumnsList.SelectedIndex
' Show or hide the gridlines based on the value of the
' ShowBorderCheckBox. Note that gridlines are displayed
' only if the RepeatLayout property is set to Table.
If ShowBorderCheckBox.Checked _
And ItemsList.RepeatLayout = RepeatLayout.Table Then
ItemsList.BorderWidth = Unit.Pixel(1)
ItemsList.GridLines = GridLines.Both
Else
ItemsList.BorderWidth = Unit.Pixel(0)
ItemsList.GridLines = GridLines.None
End If
End Sub
</script>
<head runat="server">
<title>DataList Example</title>
</head>
<body>
<form id="form1" runat="server">
<h3>DataList Example</h3>
<asp:DataList id="ItemsList"
BorderColor="black"
CellPadding="5"
CellSpacing="5"
RepeatDirection="Vertical"
RepeatLayout="Table"
RepeatColumns="0"
BorderWidth="0"
runat="server">
<HeaderStyle BackColor="#aaaadd">
</HeaderStyle>
<AlternatingItemStyle BackColor="Gainsboro">
</AlternatingItemStyle>
<HeaderTemplate>
List of items
</HeaderTemplate>
<ItemTemplate>
Description: <br />
<%# DataBinder.Eval(Container.DataItem, "StringValue") %>
<br />
Price: <%# DataBinder.Eval(Container.DataItem, "CurrencyValue", "{0:c}") %>
<br />
<asp:Image id="ProductImage"
AlternatingText='<%# DataBinder.Eval(Container.DataItem, "StringValue") %>'
ImageUrl='<%# DataBinder.Eval(Container.DataItem, "ImageValue") %>'
runat="server"/>
</ItemTemplate>
</asp:DataList>
<hr />
<table cellpadding="5">
<tr>
<th>
Repeat direction:
</th>
<th>
Repeat layout:
</th>
<th>
Repeat columns:
</th>
<th>
<asp:CheckBox id="ShowBorderCheckBox"
Text="Show border"
Checked="False"
runat="server" />
</th>
</tr>
<tr>
<td>
<asp:DropDownList id="DirectionList"
runat="server">
<asp:ListItem>Horizontal</asp:ListItem>
<asp:ListItem Selected="True">Vertical</asp:ListItem>
</asp:DropDownList>
</td>
<td>
<asp:DropDownList id="LayoutList"
runat="server">
<asp:ListItem Selected="True">Table</asp:ListItem>
<asp:ListItem>Flow</asp:ListItem>
</asp:DropDownList>
</td>
<td>
<asp:DropDownList id="ColumnsList"
runat="server">
<asp:ListItem Selected="True">0</asp:ListItem>
<asp:ListItem>1</asp:ListItem>
<asp:ListItem>2</asp:ListItem>
<asp:ListItem>3</asp:ListItem>
<asp:ListItem>4</asp:ListItem>
<asp:ListItem>5</asp:ListItem>
</asp:DropDownList>
</td>
<td>
</td>
</tr>
</table>
<asp:LinkButton id="RefreshButton"
Text="Refresh DataList"
OnClick="Button_Click"
runat="server"/>
</form>
</body>
</html>
L’exemple suivant montre le balisage qui est rendu pour un CheckBoxList contrôle dont RepeatLayout la propriété est définie sur Flow
.
<span id="ctl00_MainContent_CheckBoxList1">
<input id="ctl00_MainContent_CheckBoxList1_0" type="checkbox"
name="ctl00$MainContent$CheckBoxList1$0" value="Item 1" />
<label for="ctl00_MainContent_CheckBoxList1_0">Item 1</label>
<br />
<input id="ctl00_MainContent_CheckBoxList1_1" type="checkbox"
name="ctl00$MainContent$CheckBoxList1$1" value="Item 2"/>
<label for="ctl00_MainContent_CheckBoxList1_1">Item 2</label>
<br />
<input id="ctl00_MainContent_CheckBoxList1_2" type="checkbox"
name="ctl00$MainContent$CheckBoxList1$2" value="Item 2" />
<label for="ctl00_MainContent_CheckBoxList1_2">Item 2</label>
</span>
L’exemple suivant montre le balisage qui est rendu pour un CheckBoxList contrôle dont RepeatLayout la propriété est définie sur OrderedList
.
<ol id="ctl00_MainContent_CheckBoxList3">
<li>
<input id="ctl00_MainContent_CheckBoxList3_0" type="checkbox"
name="ctl00$MainContent$CheckBoxList3$0" value="Item 1" />
<label for="ctl00_MainContent_CheckBoxList3_0">Item 1</label>
</li>
<li>
<input id="ctl00_MainContent_CheckBoxList3_1" type="checkbox"
name="ctl00$MainContent$CheckBoxList3$1" value="Item 2" />
<label for="ctl00_MainContent_CheckBoxList3_1">Item 2</label>
</li>
<li>
<input id="ctl00_MainContent_CheckBoxList3_2" type="checkbox"
name="ctl00$MainContent$CheckBoxList3$2" value="Item 2" />
<label for="ctl00_MainContent_CheckBoxList3_2">Item 2</label>
</li>
</ol>
L’exemple suivant montre le balisage qui est rendu pour un CheckBoxList contrôle dont RepeatLayout la propriété est définie sur Table
.
<table id="ctl00_MainContent_CheckBoxList2">
<tr>
<td>
<input id="ctl00_MainContent_CheckBoxList2_0" type="checkbox"
name="ctl00$MainContent$CheckBoxList2$0" value="Item 1" />
<label for="ctl00_MainContent_CheckBoxList2_0">Item 1</label>
</td>
</tr>
<tr>
<td>
<input id="ctl00_MainContent_CheckBoxList2_1" type="checkbox"
name="ctl00$MainContent$CheckBoxList2$1" value="Item 2" />
<label for="ctl00_MainContent_CheckBoxList2_1">Item 2</label>
</td>
</tr>
<tr>
<td>
<input id="ctl00_MainContent_CheckBoxList2_2" type="checkbox"
name="ctl00$MainContent$CheckBoxList2$2" value="Item 3" />
<label for="ctl00_MainContent_CheckBoxList2_2">Item 3</label>
</td>
</tr>
</table>
L’exemple suivant montre le balisage qui est rendu pour un CheckBoxList contrôle dont RepeatLayout la propriété est définie sur UnorderedList
.
<ul id="ctl00_MainContent_CheckBoxList4">
<li>
<input id="ctl00_MainContent_CheckBoxList4_0" type="checkbox"
name="ctl00$MainContent$CheckBoxList4$0" value="Item 1" />
<label for="ctl00_MainContent_CheckBoxList4_0">Item 1</label>
</li>
<li>
<input id="ctl00_MainContent_CheckBoxList4_1" type="checkbox"
name="ctl00$MainContent$CheckBoxList4$1" value="Item 2" />
<label for="ctl00_MainContent_CheckBoxList4_1">Item 2</label>
</li>
<li>
<input id="ctl00_MainContent_CheckBoxList4_2" type="checkbox"
name="ctl00$MainContent$CheckBoxList4$2" value="Item 2" />
<label for="ctl00_MainContent_CheckBoxList4_2">Item 2</label>
</li>
</ul>
Remarques
L’énumération RepeatLayout représente les différentes options de disposition d’un contrôle de liste.