DataList.CreateControlStyle Yöntem

Başvuru

Tanım

Ad Alanı:: System.Web.UI.WebControls

Bütünleştirilmiş Kod:: System.Web.dll

Önemli

Bazı bilgiler ürünün ön sürümüyle ilgilidir ve sürüm öncesinde önemli değişiklikler yapılmış olabilir. Burada verilen bilgilerle ilgili olarak Microsoft açık veya zımni hiçbir garanti vermez.

Tüm stille ilgili özellikleri uygulamak için denetim tarafından DataList dahili olarak kullanılan varsayılan stil nesnesini oluşturur.

protected:
 override System::Web::UI::WebControls::Style ^ CreateControlStyle();

protected override System.Web.UI.WebControls.Style CreateControlStyle ();

override this.CreateControlStyle : unit -> System.Web.UI.WebControls.Style

Protected Overrides Function CreateControlStyle () As Style

Döndürülenler

Style

TableStyle Denetimin varsayılan stil özelliklerini içeren bir.

Örnekler

Aşağıdaki kod örneği, her zaman denetimde hücre aralığı olmadan yatay kılavuz çizgileri görüntülemesi için özel bir sunucu denetiminde yönteminin nasıl geçersiz kılındığını CreateControlStyle DataList gösterir.

<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.CS.Controls" Assembly="Samples.AspNet.CS" %>
<%@ Page language="c#" %>
<!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" >
  <head>
    <title>Custom DataList - CreateControlStyle - C# Example</title>
    <script runat="server">
      private void Page_Load(object sender, System.EventArgs e)
      {
        // Create sample data for the DataList control.
        System.Data.DataTable dt = new System.Data.DataTable();
        System.Data.DataRow dr;
        dt.Columns.Add(new System.Data.DataColumn("Column1", typeof(String)));

        dr = dt.NewRow();
        dr[0] = "Hello";
        dt.Rows.Add(dr);

        dr = dt.NewRow();
        dr[0] = "DataList";
        dt.Rows.Add(dr);

        dr = dt.NewRow();
        dr[0] = "World";
        dt.Rows.Add(dr);

        // Show the DataTable values in the DataList.
        DataList1.DataSource = dt;
        DataList1.DataBind();
    }
    </script>
  </head>
  <body>
    <form id="Form1" method="post" runat="server">
      <h3>Custom DataList - CreateControlStyle - C# Example</h3>

      <aspSample:CustomDataListCreateControlStyle id="DataList1" runat="server" BorderColor="#999999" BorderStyle="None" BackColor="White" CellPadding="3" GridLines="Vertical" BorderWidth="1px" Width="100px">

        <HeaderStyle Font-Bold="True" ForeColor="White" BackColor="#000084" />
        <HeaderTemplate>
          <asp:Label id="Label1" runat="server">Column1</asp:Label>
        </HeaderTemplate>

        <ItemStyle ForeColor="Black" BackColor="#EEEEEE" />
        <ItemTemplate>
          <asp:Label id="Label2" runat="server"><%# DataBinder.Eval(Container.DataItem, "Column1") %></asp:Label>
        </ItemTemplate>

        <AlternatingItemStyle BackColor="#DCDCDC" />
        <AlternatingItemTemplate>
          <asp:Label id="Label3" runat="server"><%# DataBinder.Eval(Container.DataItem, "Column1") %></asp:Label>
        </AlternatingItemTemplate>

      </aspSample:CustomDataListCreateControlStyle>

    </form>
  </body>
</html>

<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.VB.Controls" Assembly="Samples.AspNet.VB" %>
<%@ Page language="vb" %>
<!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" >
  <head>
    <title>Custom DataList - CreateControlStyle - VB Example</title>
    <script runat="server">
      Private Sub Page_Load(sender As Object, e As EventArgs)

        ' Create sample data for the DataList control.
        Dim dt As System.Data.DataTable = New System.Data.DataTable()
        Dim dr As System.Data.DataRow

        ' Create a new column named Column1, of type String.
        Dim col As New System.Data.DataColumn("Column1", GetType(String))
        ' Add the column to the DataTable.
        dt.Columns.Add(col)

        dr = dt.NewRow()
        dr(0) = "Hello"
        dt.Rows.Add(dr)

        dr = dt.NewRow()
        dr(0) = "DataList"
        dt.Rows.Add(dr)

        dr = dt.NewRow()
        dr(0) = "World"
        dt.Rows.Add(dr)

        ' Show the DataTable values in the DataList.
        DataList1.DataSource = dt
        DataList1.DataBind()

      End Sub ' Page_Load
    </script>
  </head>
  <body>
    <form id="Form1" method="post" runat="server">
      <h3>Custom DataList - CreateControlStyle - VB Example</h3>

      <aspSample:CustomDataListCreateControlStyle id="DataList1" runat="server" BorderColor="#999999" BorderStyle="None" BackColor="White" CellPadding="3" GridLines="Vertical" BorderWidth="1px" Width="100px">

        <HeaderStyle Font-Bold="True" ForeColor="White" BackColor="#000084" />
        <HeaderTemplate>
          <asp:Label id="Label1" runat="server">Column1</asp:Label>
        </HeaderTemplate>

        <ItemStyle ForeColor="Black" BackColor="#EEEEEE" />
        <ItemTemplate>
          <asp:Label id="Label2" runat="server"><%# DataBinder.Eval(Container.DataItem, "Column1") %></asp:Label>
        </ItemTemplate>

        <AlternatingItemStyle BackColor="#DCDCDC" />
        <AlternatingItemTemplate>
          <asp:Label id="Label3" runat="server"><%# DataBinder.Eval(Container.DataItem, "Column1") %></asp:Label>
        </AlternatingItemTemplate>

      </aspSample:CustomDataListCreateControlStyle>

    </form>
  </body>
</html>

using System.Web;
using System.Security.Permissions;

namespace Samples.AspNet.CS.Controls
{
    [AspNetHostingPermission(SecurityAction.Demand, Level = AspNetHostingPermissionLevel.Minimal)]
    public sealed class CustomDataListCreateControlStyle : System.Web.UI.WebControls.DataList
    {
        protected override System.Web.UI.WebControls.Style CreateControlStyle()
        {
            // Create a new TableStyle instance based on ViewState values.
            System.Web.UI.WebControls.TableStyle style = new System.Web.UI.WebControls.TableStyle(ViewState);
            
            // Show the GridLines horizontal with no CellSpacing.
            style.GridLines = System.Web.UI.WebControls.GridLines.Horizontal;
            style.CellSpacing = 0;

            // Return the Style
            return style;
        }
    }
}

Imports System.Web
Imports System.Security.Permissions

Namespace Samples.AspNet.VB.Controls
    <AspNetHostingPermission(SecurityAction.Demand, Level:=AspNetHostingPermissionLevel.Minimal)> _
    Public NotInheritable Class CustomDataListCreateControlStyle
        Inherits System.Web.UI.WebControls.DataList

        Protected Overrides Function CreateControlStyle() As System.Web.UI.WebControls.Style

            ' Create a new TableStyle instance based on ViewState values.
            Dim style As New System.Web.UI.WebControls.TableStyle(ViewState)

            ' Show the GridLines horizontal with no CellSpacing.
            style.GridLines = System.Web.UI.WebControls.GridLines.Horizontal
            style.CellSpacing = 0

            ' Return the Style
            Return style
        End Function
    End Class
End Namespace

Açıklamalar

CreateControlStyle yöntemi öncelikle denetim geliştiricileri tarafından denetimden özel bir uygulama türetilmesinde DataList kullanılır.

Şunlara uygulanır

Aracılığıyla paylaş