DataGridPagerStyle.CopyFrom(Style) Methode

  • Referenz

Definition

Namespace:
System.Web.UI.WebControls
Assembly:
System.Web.dll

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

public:
 override void CopyFrom(System::Web::UI::WebControls::Style ^ s);
public override void CopyFrom (System.Web.UI.WebControls.Style s);
override this.CopyFrom : System.Web.UI.WebControls.Style -> unit
Public Overrides Sub CopyFrom (s As Style)

Parameter

s
Style

Der Style, aus dem kopiert werden soll.

Beispiele

Im folgenden Codebeispiel wird veranschaulicht, wie die CopyFrom Methode zum Kopieren der Eigenschaften eines Style Objekts in ein DataGridPagerStyle Objekt verwendet wird.

<%@ 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) 
      {
         // 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>
 
<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"/>

   </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)
        ' 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>
 
<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"/>

   </form>

</body>
</html>

Hinweise

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

Gilt für

Siehe auch