DataGridPagerStyle.Visible DataGridPagerStyle.Visible DataGridPagerStyle.Visible DataGridPagerStyle.Visible Property

定義

DataGrid コントロールにページャーを表示するかどうかを示す値を取得または設定します。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; }
member this.Visible : bool with get, set
Public Property Visible As Boolean

プロパティ値

ページャーを表示する場合は true。それ以外の場合は falsetrue to display the pager; otherwise, false. 既定値は true です。The default value is true.

次のコード例は、 Visibleプロパティを使用して、 DataGridコントロールのページャー要素を表示および非表示にする方法を示しています。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>

注釈

プロパティを使用して、ページャーをDataGridコントロールに表示するかどうかを指定します。 VisibleUse the Visible property to specify whether the pager is displayed in the DataGrid control.

適用対象

こちらもご覧ください