WebControl.ApplyStyle(Style) WebControl.ApplyStyle(Style) WebControl.ApplyStyle(Style) WebControl.ApplyStyle(Style) Method

Definition

Kopiert alle nicht leeren Elemente der angegebenen Formatvorlage in das Websteuerelement und überschreibt hierbei alle vorhandenen Formatvorlagenelemente des Steuerelements.Copies any nonblank elements of the specified style to the Web control, overwriting any existing style elements of the control. Diese Methode wird hauptsächlich von Steuerelemententwicklern verwendet.This method is primarily used by control developers.

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

Parameter

s
Style Style Style Style

Ein Style, der die zu kopierende Formatvorlage darstellt.A Style that represents the style to be copied.

Beispiele

Im folgenden Beispiel wird veranschaulicht, wie die ApplyStyle -Methode verwendet wird, um einen DataGrid Stil auf ein-Steuerelement anzuwenden.The following example demonstrates how to use the ApplyStyle method to apply a style to a DataGrid control.

Hinweis

Im folgenden Codebeispiel wird das Einzel Datei-Code Modell verwendet und funktioniert möglicherweise nicht ordnungsgemäß, wenn es direkt in eine Code-Behind-Datei kopiert wird.The following code sample uses the single-file code model and may not work correctly if copied directly into a code-behind file. Dieses Codebeispiel muss in eine leere Textdatei mit der Erweiterung ASPX kopiert werden.This code sample must be copied into an empty text file that has an .aspx extension. Weitere Informationen zum Web Forms-Code Modell finden Sie unter ASP.net Web Forms Page Code Model.For more information on the Web Forms code model, see ASP.NET Web Forms Page Code Model.


<%@ 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 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("CurrencyValue", typeof(double)));
 
         for (int i = 0; i < 9; i++) 
         {
            dr = dt.NewRow();
 
            dr[0] = i;
            dr[1] = "Item " + i.ToString();
            dr[2] = 1.23 * (i + 1);
 
            dt.Rows.Add(dr);
         }
 
         DataView dv = new DataView(dt);
         return dv;
      }
 
      void Page_Load(Object sender, EventArgs e) 
      {
         if (!IsPostBack) 
         {
            // Load this data only once.
            ItemsGrid.DataSource= CreateDataSource();
            ItemsGrid.DataBind();
         }
      }

      void Button_Click(Object sender, EventArgs e) 
      {
         Style myStyle = new Style();
         myStyle.ForeColor = System.Drawing.Color.Red;
         myStyle.BackColor = System.Drawing.Color.Yellow;
      
         ItemsGrid.ApplyStyle(myStyle);
      }
 
   </script>
 
<head runat="server">
    <title>WebControl ApplyStyle Example</title>
</head>
<body>
 
   <form id="form1" runat="server">
 
      <h3>WebControl ApplyStyle Example</h3>
 
      <b>Product List</b>
 
      <asp:DataGrid id="ItemsGrid"
           BorderColor="black"
           BorderWidth="1"
           CellPadding="3"
           AutoGenerateColumns="false"
           runat="server">

         <HeaderStyle BackColor="#00aaaa">
         </HeaderStyle>

         <Columns>

            <asp:BoundColumn
                 HeaderText="Number" 
                 DataField="IntegerValue">
            </asp:BoundColumn>

            <asp:BoundColumn
                 HeaderText="Description" 
                 DataField="StringValue">
            </asp:BoundColumn>

            <asp:BoundColumn
                 HeaderText="Price" 
                 DataField="CurrencyValue" 
                 DataFormatString="{0:c}">
            </asp:BoundColumn>

         </Columns>
 
      </asp:DataGrid>

      <br /><br />

      <asp:Button id="Button1" 
           Text="Apply Custom Style"
           OnClick="Button_Click"
           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 runat="server">
 
      Private Function CreateDataSource() As ICollection 
      
         Dim dt As DataTable = New DataTable
         Dim dr As DataRow
         Dim dv As DataView
         Dim i As Integer
 
         dt.Columns.Add(New DataColumn("IntegerValue", GetType(Integer)))
         dt.Columns.Add(New DataColumn("StringValue", GetType(String)))
         dt.Columns.Add(New DataColumn("CurrencyValue", GetType(Double)))
 
         for i = 0 to 9  
         
            dr = dt.NewRow()
 
            dr(0) = i
            dr(1) = "Item " + i.ToString()
            dr(2) = 1.23 * (i + 1)
 
            dt.Rows.Add(dr)

         next i
 
         dv = New DataView(dt)
         CreateDataSource = dv

      End Function
 
      Private Sub Page_Load(sender As Object, e As EventArgs) 
      
         If Not IsPostBack Then 
            ' Load this data only once.
            ItemsGrid.DataSource = CreateDataSource()
            ItemsGrid.DataBind()
         End If

      End Sub

      Private Sub Button_Click(sender As Object, e As EventArgs) 
    
         Dim myStyle As Style = new Style()
         myStyle.ForeColor = System.Drawing.Color.Red
         myStyle.BackColor = System.Drawing.Color.Yellow
      
         ItemsGrid.ApplyStyle(myStyle)

      End Sub
 
   </script>
 
<head runat="server">
    <title>WebControl ApplyStyle Example</title>
</head>
<body>
 
   <form id="form1" runat="server">
 
      <h3>WebControl ApplyStyle Example</h3>
 
      <b>Product List</b>
 
      <asp:DataGrid id="ItemsGrid"
           BorderColor="black"
           BorderWidth="1"
           CellPadding="3"
           AutoGenerateColumns="false"
           runat="server">

         <HeaderStyle BackColor="#00aaaa">
         </HeaderStyle>

         <Columns>

            <asp:BoundColumn
                 HeaderText="Number" 
                 DataField="IntegerValue">
            </asp:BoundColumn>

            <asp:BoundColumn
                 HeaderText="Description" 
                 DataField="StringValue">
            </asp:BoundColumn>

            <asp:BoundColumn
                 HeaderText="Price" 
                 DataField="CurrencyValue" 
                 DataFormatString="{0:c}">
            </asp:BoundColumn>

         </Columns>
 
      </asp:DataGrid>

      <br /><br />

      <asp:Button id="Button1" 
           Text="Apply Custom Style"
           OnClick="Button_Click"
           runat="server"/>
 
   </form>
 
</body>
</html>

Gilt für:

Siehe auch