DataGridPagerStyle.CopyFrom-Methode

Artikel
08/20/2007

Kopiert den Stil des angegebenen Style-Objekts in diese Instanz derDataGridPagerStyle-Klasse.

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

Syntax

'Declaration
Public Overrides Sub CopyFrom ( _
    s As Style _
)
'Usage
Dim instance As DataGridPagerStyle
Dim s As Style

instance.CopyFrom(s)

public override void CopyFrom (
    Style s
)

public:
virtual void CopyFrom (
    Style^ s
) override

public void CopyFrom (
    Style s
)

public override function CopyFrom (
    s : Style
)

Parameter

s
Der Style, aus dem kopiert werden soll.

Hinweise

Verwenden Sie die CopyFrom-Methode, um die Stileigenschaften des angegebenen Style-Objekts in diese Instanz der DataGridPagerStyle-Klasse zu kopieren.

Beispiel

Im folgenden Codebeispiel wird veranschaulicht, wie mit der CopyFrom-Methode die Eigenschaften eines Style-Objekts in ein DataGridPagerStyle-Objekt kopiert werden.

<%@ 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)
        ' Create a Style object.
        Dim orig_style As New Style()
        
        ' Set style properties.
        orig_style.BackColor = System.Drawing.Color.Lavender
        orig_style.ForeColor = System.Drawing.Color.Blue
        
        ' Copy Style object to DataGridPagerStyle object.
        MyDataGrid.PagerStyle.CopyFrom(orig_style)
        
        BindGrid()
    End Sub 'Page_Load

    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"/>

   </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) 
      {
         // Create a Style object.
         Style orig_style = new Style();

         // Set style properties.
         orig_style.BackColor = System.Drawing.Color.Lavender;
         orig_style.ForeColor = System.Drawing.Color.Blue;

         // Copy Style object to DataGridPagerStyle object.
         MyDataGrid.PagerStyle.CopyFrom(orig_style); 
           
         BindGrid();
      }
 
      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"/>

   </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
CopyFrom

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