DataList.CreateControlStyle Method ()
.NET Framework (current version)
Creates the default style object that is used internally by the DataList control to implement all style related properties.
Assembly: System.Web (in System.Web.dll)
Return Value
Type: System.Web.UI.WebControls.StyleA TableStyle that contains the default style properties for the control.
The CreateControlStyle method is used primarily by control developers in deriving a custom implementation from the DataList control.
The following code example demonstrates how to override the CreateControlStyle method in a custom server control so that it always displays horizontal grid lines with no cell spacing in the DataList control.
<%@ 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>
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
.NET Framework
Available since 1.1
Available since 1.1
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