DataGridPagerStyle.Visible Property
Definition
Important
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Gets or sets a value indicating whether the pager is displayed in the DataGrid control.
public:
property bool Visible { bool get(); void set(bool value); };
[System.ComponentModel.Bindable(true)]
public bool Visible { get; set; }
public bool Visible { get; set; }
[<System.ComponentModel.Bindable(true)>]
member this.Visible : bool with get, set
member this.Visible : bool with get, set
Public Property Visible As Boolean
Property Value
true
to display the pager; otherwise, false
. The default value is true
.
- Attributes
Examples
The following code example demonstrates how to use the Visible property to display and hide the pager element in the DataGrid control.
<%@ Page Language="C#" %>
<%@ Import Namespace="System.Data" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script 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.Visible = true;
else
MyDataGrid.PagerStyle.Visible = false;
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>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Paging with DataGrid</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h3>Paging with DataGrid</h3>
<asp:DataGrid id="MyDataGrid" runat="server"
AllowPaging="True"
PageSize="10"
PagerStyle-Mode="NumericPages"
PagerStyle-HorizontalAlign="Right"
OnPageIndexChanged="MyDataGrid_Page"
BorderColor="black"
BorderWidth="1"
GridLines="Both"
CellPadding="3"
CellSpacing="0"
Font-Names="Verdana"
Font-Size="8pt"
HeaderStyle-BackColor="#aaaadd"
AlternatingItemStyle-BackColor="#eeeeee"/>
<p>
<asp:Checkbox id="chk1" runat="server"
Text="Show pager"
Font-Names="Verdana"
Font-Size="8pt"
AutoPostBack="true"/>
</p>
<table style="background-color: #eeeeee" cellpadding="6">
<tr>
<td style="white-space: 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>
</div>
</form>
</body>
</html>
<%@ Page Language="VB" %>
<%@ Import Namespace="System.Data" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script 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(ByVal sender As Object, _
ByVal e As EventArgs)
If chk1.Checked Then
MyDataGrid.PagerStyle.Visible = True
Else
MyDataGrid.PagerStyle.Visible = False
End If
BindGrid()
End Sub 'Page_Load
Sub MyDataGrid_Page(ByVal sender As Object, _
ByVal 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>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Paging with DataGrid</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h3>Paging with DataGrid</h3>
<asp:DataGrid id="MyDataGrid" runat="server"
AllowPaging="True"
PageSize="10"
PagerStyle-Mode="NumericPages"
PagerStyle-HorizontalAlign="Right"
OnPageIndexChanged="MyDataGrid_Page"
BorderColor="black"
BorderWidth="1"
GridLines="Both"
CellPadding="3"
CellSpacing="0"
Font-Names="Verdana"
Font-Size="8pt"
HeaderStyle-BackColor="#aaaadd"
AlternatingItemStyle-BackColor="#eeeeee" />
<p>
<asp:Checkbox id="chk1" runat="server"
Text="Show pager"
Font-Names="Verdana"
Font-Size="8pt"
AutoPostBack="true" />
</p>
<table style="background-color: #eeeeee" cellpadding="6">
<tr>
<td style="white-space: 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>
</div>
</form>
</body>
</html>
Remarks
Use the Visible property to specify whether the pager is displayed in the DataGrid control.
Applies to
See also
Tee yhteistyötä kanssamme GitHubissa
Tämän sisällön lähde on GitHubissa, jossa voit myös luoda ja tarkastella ongelmia ja pull-pyyntöjä. Katso lisätietoja osallistujan oppaasta.