DataGridPagerStyle.Reset Methode
Definitie
Belangrijk
Bepaalde informatie heeft betrekking op een voorlopige productversie die aanzienlijk kan worden gewijzigd voordat deze wordt uitgebracht. Microsoft biedt geen enkele expliciete of impliciete garanties met betrekking tot de informatie die hier wordt verstrekt.
Hiermee herstelt u het object naar de DataGridPagerStyle standaardwaarden.
public:
override void Reset();public override void Reset();override this.Reset : unit -> unitPublic Overrides Sub Reset ()Voorbeelden
In het volgende codevoorbeeld ziet u hoe u de Reset methode gebruikt om het DataGridPagerStyle object te herstellen naar de standaardwaarden.
<%@ Page Language="C#" AutoEventWireup="True" %>
<%@ Import Namespace="System.Data" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<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)
{
BindGrid();
}
void Set_Clicked(Object sender, EventArgs e)
{
// Set style properties.
MyDataGrid.PagerStyle.BackColor = System.Drawing.Color.Lavender;
MyDataGrid.PagerStyle.ForeColor = System.Drawing.Color.Blue;
}
void Reset_Clicked(Object sender, EventArgs e)
{
// Reset style properties.
MyDataGrid.PagerStyle.Reset();
}
void MyDataGrid_Page(Object sender, DataGridPageChangedEventArgs e)
{
MyDataGrid.CurrentPageIndex = e.NewPageIndex;
BindGrid();
}
void BindGrid()
{
MyDataGrid.DataSource = CreateDataSource();
MyDataGrid.DataBind();
}
</script>
<head runat="server">
<title>Paging with DataGrid</title>
</head>
<body>
<h3>Paging with DataGrid</h3>
<form id="form1" runat="server">
<asp:DataGrid id="MyDataGrid" runat="server"
AllowPaging="True"
PageSize="10"
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"/>
<hr />
<asp:Button id="Set_Button"
OnClick="Set_Clicked"
Text="Apply Pager Style"
runat="server"/>
<asp:Button id="Reset_Button"
OnClick="Reset_Clicked"
Text="Reset Pager Style"
runat="server"/>
</form>
</body>
</html>
<%@ Page Language="VB" AutoEventWireup="True" %>
<%@ Import Namespace="System.Data" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<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)
BindGrid()
End Sub 'Page_Load
Sub Set_Clicked(sender As Object, e As EventArgs)
' Set style properties.
MyDataGrid.PagerStyle.BackColor = System.Drawing.Color.Lavender
MyDataGrid.PagerStyle.ForeColor = System.Drawing.Color.Blue
End Sub 'Set_Clicked
Sub Reset_Clicked(sender As Object, e As EventArgs)
' Reset style properties.
MyDataGrid.PagerStyle.Reset()
End Sub 'Reset_Clicked
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()
End Sub 'BindGrid
</script>
<head runat="server">
<title>Paging with DataGrid</title>
</head>
<body>
<h3>Paging with DataGrid</h3>
<form id="form1" runat="server">
<asp:DataGrid id="MyDataGrid" runat="server"
AllowPaging="True"
PageSize="10"
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"/>
<hr />
<asp:Button id="Set_Button"
OnClick="Set_Clicked"
Text="Apply Pager Style"
runat="server"/>
<asp:Button id="Reset_Button"
OnClick="Reset_Clicked"
Text="Reset Pager Style"
runat="server"/>
</form>
</body>
</html>
Opmerkingen
Gebruik de Reset methode om het DataGridPagerStyle object te herstellen naar de standaardwaarden.
