DataGridPagerStyle.Position-Eigenschaft
Ruft die Position des Pager-Elements im DataGrid-Steuerelement ab oder legt diese fest.
Namespace: System.Web.UI.WebControls
Assembly: System.Web (in system.web.dll)
Syntax
'Declaration
Public Property Position As PagerPosition
'Usage
Dim instance As DataGridPagerStyle
Dim value As PagerPosition
value = instance.Position
instance.Position = value
public PagerPosition Position { get; set; }
public:
property PagerPosition Position {
PagerPosition get ();
void set (PagerPosition value);
}
/** @property */
public PagerPosition get_Position ()
/** @property */
public void set_Position (PagerPosition value)
public function get Position () : PagerPosition
public function set Position (value : PagerPosition)
Eigenschaftenwert
Einer der PagerPosition-Werte. Der Standardwert ist Bottom.
Ausnahmen
| Ausnahmetyp | Bedingung |
|---|---|
Der angegebene Wert ist kein PagerPosition-Wert. |
Hinweise
Mithilfe der Position-Eigenschaft können Sie die Position angeben, an der das Pager-Element im DataGrid-Steuerelement angezeigt werden soll. Das Pager-Element kann am oberen oder unteren Rand bzw. gleichzeitig am oberen und unteren Rand des DataGrid-Steuerelements angezeigt werden.
Beispiel
Im folgenden Codebeispiel wird veranschaulicht, wie mit der Position-Eigenschaft angegeben wird, dass der Pager am oberen Rand des DataGrid-Steuerelements angezeigt werden soll.
<%@ Page Language="VB" AutoEventWireup="True" %>
<%@ Import Namespace="System.Data" %>
<html>
<script language="VB" runat="server">
Function CreateDataSource() As ICollection
Dim dt As New DataTable()
Dim dr As DataRow
dt.Columns.Add(New DataColumn("IntegerValue", GetType(Int32)))
dt.Columns.Add(New DataColumn("StringValue", GetType(String)))
dt.Columns.Add(New DataColumn("DateTimeValue", GetType(String)))
dt.Columns.Add(New DataColumn("BoolValue", GetType(Boolean)))
Dim i As Integer
For i = 0 To 99
dr = dt.NewRow()
dr(0) = i
dr(1) = "Item " & i.ToString()
dr(2) = DateTime.Now.ToShortDateString()
If i Mod 2 <> 0 Then
dr(3) = True
Else
dr(3) = False
End If
dt.Rows.Add(dr)
Next i
Dim dv As New DataView(dt)
Return dv
End Function 'CreateDataSource
Sub Page_Load(sender As Object, e As EventArgs)
If chk1.Checked Then
MyDataGrid.PagerStyle.Mode = PagerMode.NumericPages
Else
MyDataGrid.PagerStyle.Mode = PagerMode.NextPrev
End If
BindGrid()
End Sub 'Page_Load
Sub MyDataGrid_Page(sender As Object, e As DataGridPageChangedEventArgs)
MyDataGrid.CurrentPageIndex = e.NewPageIndex
BindGrid()
End Sub 'MyDataGrid_Page
Sub BindGrid()
MyDataGrid.DataSource = CreateDataSource()
MyDataGrid.DataBind()
ShowStats()
End Sub 'BindGrid
Sub ShowStats()
lblEnabled.Text = "AllowPaging is " & MyDataGrid.AllowPaging
lblCurrentIndex.Text = "CurrentPageIndex is " & MyDataGrid.CurrentPageIndex
lblPageCount.Text = "PageCount is " & MyDataGrid.PageCount
lblPageSize.Text = "PageSize is " & MyDataGrid.PageSize
End Sub 'ShowStats
</script>
<body>
<h3>Paging with DataGrid</h3>
<form runat=server>
<asp:DataGrid id="MyDataGrid" runat="server"
AllowPaging="True"
PageSize="10"
PagerStyle-Mode="NumericPages"
PagerStyle-HorizontalAlign="Right"
PagerStyle-Position="Top"
OnPageIndexChanged="MyDataGrid_Page"
BorderColor="black"
BorderWidth="1"
GridLines="Both"
CellPadding="3"
CellSpacing="0"
Font-Name="Verdana"
Font-Size="8pt"
HeaderStyle-BackColor="#aaaadd"
AlternatingItemStyle-BackColor="#eeeeee"/>
<p>
<asp:Checkbox id="chk1" runat="server"
Text="Show numeric page navigation buttons"
Font-Name="Verdana"
Font-Size="8pt"
AutoPostBack="true"/>
<p>
<table bgcolor="#eeeeee" cellpadding="6">
<tr>
<td nowrap>
<asp:Label id="lblEnabled"
runat="server"/><br>
<asp:Label id="lblCurrentIndex"
runat="server"/><br>
<asp:Label id="lblPageCount"
runat="server"/><br>
<asp:Label id="lblPageSize"
runat="server"/><br>
</td>
</tr>
</table>
</form>
</body>
</html>
<%@ Page Language="C#" AutoEventWireup="True" %>
<%@ Import Namespace="System.Data" %>
<html>
<script language="C#" runat="server">
ICollection CreateDataSource()
{
DataTable dt = new DataTable();
DataRow dr;
dt.Columns.Add(new DataColumn("IntegerValue", typeof(Int32)));
dt.Columns.Add(new DataColumn("StringValue", typeof(string)));
dt.Columns.Add(new DataColumn("DateTimeValue", typeof(string)));
dt.Columns.Add(new DataColumn("BoolValue", typeof(bool)));
for (int i = 0; i < 100; i++)
{
dr = dt.NewRow();
dr[0] = i;
dr[1] = "Item " + i.ToString();
dr[2] = DateTime.Now.ToShortDateString();
dr[3] = (i % 2 != 0) ? true : false;
dt.Rows.Add(dr);
}
DataView dv = new DataView(dt);
return dv;
}
void Page_Load(Object sender, EventArgs e)
{
if (chk1.Checked)
MyDataGrid.PagerStyle.Mode = PagerMode.NumericPages;
else
MyDataGrid.PagerStyle.Mode = PagerMode.NextPrev;
BindGrid();
}
void MyDataGrid_Page(Object sender, DataGridPageChangedEventArgs e)
{
MyDataGrid.CurrentPageIndex = e.NewPageIndex;
BindGrid();
}
void BindGrid()
{
MyDataGrid.DataSource = CreateDataSource();
MyDataGrid.DataBind();
ShowStats();
}
void ShowStats()
{
lblEnabled.Text = "AllowPaging is " + MyDataGrid.AllowPaging;
lblCurrentIndex.Text = "CurrentPageIndex is " + MyDataGrid.CurrentPageIndex;
lblPageCount.Text = "PageCount is " + MyDataGrid.PageCount;
lblPageSize.Text = "PageSize is " + MyDataGrid.PageSize;
}
</script>
<body>
<h3>Paging with DataGrid</h3>
<form runat=server>
<asp:DataGrid id="MyDataGrid" runat="server"
AllowPaging="True"
PageSize="10"
PagerStyle-Mode="NumericPages"
PagerStyle-HorizontalAlign="Right"
PagerStyle-Position="Top"
OnPageIndexChanged="MyDataGrid_Page"
BorderColor="black"
BorderWidth="1"
GridLines="Both"
CellPadding="3"
CellSpacing="0"
Font-Name="Verdana"
Font-Size="8pt"
HeaderStyle-BackColor="#aaaadd"
AlternatingItemStyle-BackColor="#eeeeee"/>
<p>
<asp:Checkbox id="chk1" runat="server"
Text="Show numeric page navigation buttons"
Font-Name="Verdana"
Font-Size="8pt"
AutoPostBack="true"/>
<p>
<table bgcolor="#eeeeee" cellpadding="6">
<tr>
<td nowrap>
<asp:Label id="lblEnabled"
runat="server"/><br>
<asp:Label id="lblCurrentIndex"
runat="server"/><br>
<asp:Label id="lblPageCount"
runat="server"/><br>
<asp:Label id="lblPageSize"
runat="server"/><br>
</td>
</tr>
</table>
</form>
</body>
</html>
Plattformen
Windows 98, Windows 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
.NET Framework unterstützt nicht alle Versionen sämtlicher Plattformen. Eine Liste der unterstützten Versionen finden Sie unter Systemanforderungen.
Versionsinformationen
.NET Framework
Unterstützt in: 2.0, 1.1, 1.0
Siehe auch
Referenz
DataGridPagerStyle-Klasse
DataGridPagerStyle-Member
System.Web.UI.WebControls-Namespace
DataGrid-Klasse
PagerPosition