DataGridPagerStyle.Visible Özellik
Tanım
Önemli
Bazı bilgiler ürünün ön sürümüyle ilgilidir ve sürüm öncesinde önemli değişiklikler yapılmış olabilir. Burada verilen bilgilerle ilgili olarak Microsoft açık veya zımni hiçbir garanti vermez.
Disk belleğinin denetimde DataGrid görüntülenip görüntülenmeyeceğini belirten bir değer alır veya ayarlar.
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
Özellik Değeri
true
çağrıyı görüntülemek için; aksi takdirde , false
.
true
varsayılan değerdir.
- Öznitelikler
Örnekler
Aşağıdaki kod örneği, denetimdeki Visible çağrıyı oluşturucu öğesini DataGrid görüntülemek ve gizlemek için özelliğinin nasıl kullanılacağını gösterir.
<%@ 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>
Açıklamalar
Özelliği, Visible çağrıyı verenin denetimde görüntülenip görüntülenmeyeceğini DataGrid belirtmek için kullanın.