DataGridPagerStyle.Visible プロパティ
DataGrid コントロールにページャを表示するかどうかを示す値を取得または設定します。
名前空間: System.Web.UI.WebControls
アセンブリ: System.Web (system.web.dll 内)
構文
'宣言
Public Property Visible As Boolean
'使用
Dim instance As DataGridPagerStyle
Dim value As Boolean
value = instance.Visible
instance.Visible = value
public bool Visible { get; set; }
public:
property bool Visible {
bool get ();
void set (bool value);
}
/** @property */
public boolean get_Visible ()
/** @property */
public void set_Visible (boolean value)
public function get Visible () : boolean
public function set Visible (value : boolean)
適用できません。
プロパティ値
ページャを表示する場合は true。それ以外の場合は false。既定値は true です。
解説
Visible プロパティを使用して、DataGrid コントロールにページャを表示するかどうかを指定します。
使用例
Visible プロパティを使用して、DataGrid コントロールのページャ要素を表示および非表示にする方法を次のコード例に示します。
<%@ 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>
<%@ 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>
プラットフォーム
Windows 98,Windows Server 2000 SP4,Windows CE,Windows Millennium Edition,Windows Mobile for Pocket PC,Windows Mobile for Smartphone,Windows Server 2003,Windows XP Media Center Edition,Windows XP Professional x64 Edition,Windows XP SP2,Windows XP Starter Edition
Microsoft .NET Framework 3.0 は Windows Vista,Microsoft Windows XP SP2,および Windows Server 2003 SP1 でサポートされています。
バージョン情報
.NET Framework
サポート対象 : 3.0,2.0,1.1,1.0
参照
関連項目
DataGridPagerStyle クラス
DataGridPagerStyle メンバ
System.Web.UI.WebControls 名前空間
DataGrid