DataGridPagerStyle.Reset-Methode

Artikel
08/20/2007

Stellt das DataGridPagerStyle-Objekt wieder mit seinen Standardwerten her.

Namespace: System.Web.UI.WebControls
Assembly: System.Web (in system.web.dll)

Syntax

'Declaration
Public Overrides Sub Reset
'Usage
Dim instance As DataGridPagerStyle

instance.Reset

public override void Reset ()

public:
virtual void Reset () override

public void Reset ()

public override function Reset ()

Hinweise

Verwenden Sie die Reset-Methode, um das DataGridPagerStyle-Objekt mit seinen Standardwerten wiederherzustellen.

Beispiel

Im folgenden Codebeispiel wird veranschaulicht, wie mit der Reset-Methode das DataGridPagerStyle-Objekt wieder mit seinen Standardwerten hergestellt wird.

<%@ Page Language="VB" AutoEventWireup="True" %>
<%@ Import Namespace="System.Data" %>
 
<html>
   <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>
 
<body>
 
   <h3>Paging with DataGrid</h3>
 
   <form 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-Name="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="C#" AutoEventWireup="True" %>
<%@ Import Namespace="System.Data" %>
 
<html>
   <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>
 
<body>
 
   <h3>Paging with DataGrid</h3>
 
   <form 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-Name="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>

Plattformen

Windows 98, Windows 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

.NET Framework unterstützt nicht alle Versionen sämtlicher Plattformen. Eine Liste der unterstützten Versionen finden Sie unter Systemanforderungen.

Versionsinformationen

.NET Framework

Unterstützt in: 2.0, 1.1, 1.0

Siehe auch

Referenz

DataGridPagerStyle-Klasse
DataGridPagerStyle-Member
System.Web.UI.WebControls-Namespace
Style
Reset

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