DropDownList.BorderColor Property

Reference

Definition

Namespace:: System.Web.UI.WebControls

Assembly:: System.Web.dll

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Gets or sets the border color of the control.

public:
 virtual property System::Drawing::Color BorderColor { System::Drawing::Color get(); void set(System::Drawing::Color value); };

[System.ComponentModel.Browsable(false)]
public override System.Drawing.Color BorderColor { get; set; }

[<System.ComponentModel.Browsable(false)>]
member this.BorderColor : System.Drawing.Color with get, set

Public Overrides Property BorderColor As Color

Property Value

Color

A Color that represents the border color of the control.

Attributes: BrowsableAttribute

Examples

The following code example demonstrates how to get or set the BorderColor property in a custom DropDownList control. For information about using custom server controls, see Walkthrough: Developing and Using a Custom Web Server Control.

<%@ Page Language="C#" AutoEventWireup="True" %>
<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.CS.Controls" Assembly="Samples.AspNet.CS" %>
<!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 DropDownList - BorderColor - C# Example</title>
    <script runat="server">
      private void Page_Load(object sender, System.EventArgs e)
      {
          DropDownList1.Items.Add(new ListItem("Item1", "Item1"));
          DropDownList1.Items.Add(new ListItem("Item2", "Item2"));
          DropDownList1.Items.Add(new ListItem("Item2", "Item2"));
      }
    </script>
  </head>
  <body>
      <form id="Form1" method="post" runat="server">
          <h3>Custom DropDownList - BorderColor - C# Example</h3>

          <aspSample:CustomDropDownListBorderColor
          id="DropDownList1"
          runat="server" />

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

<%@ Page Language="VB" AutoEventWireup="True" %>
<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.VB.Controls" Assembly="Samples.AspNet.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 DropDownList - BorderColor - VB.NET Example</title>
        <script runat="server">
            Sub Page_Load(sender As Object, e As EventArgs)
                DropDownList1.Items.Add(New ListItem("Item1", "Item1"))
                DropDownList1.Items.Add(New ListItem("Item2", "Item2"))
                DropDownList1.Items.Add(New ListItem("Item2", "Item2"))
            End Sub
        </script>
    </head>
    <body>
        <form id="Form1" method="post" runat="server">
            <h3>Custom DropDownList - BorderColor - VB.NET Example</h3>
            <aspSample:CustomDropDownListBorderColor id="DropDownList1" runat="server" />
        </form>
    </body>
</html>

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

namespace Samples.AspNet.CS.Controls
{
    [AspNetHostingPermission(SecurityAction.Demand, Level = AspNetHostingPermissionLevel.Minimal)]
    public sealed class CustomDropDownListBorderColor : System.Web.UI.WebControls.DropDownList
    {
    [System.ComponentModel.Browsable(false)]
    public override System.Drawing.Color BorderColor
    {
      // NOTE: The BorderColor property is inherited from the WebControl 
      // class and is not applicable to the DropDownList control. 
      get
      {
        return base.BorderColor;
      }
      set
      {
        base.BorderColor = value;
      }
    }

    public override System.Web.UI.WebControls.BorderStyle BorderStyle
    {
      // NOTE: The BorderStyle property is inherited from the WebControl 
      // class and is not applicable to the DropDownList control. 
      get
      {
        return base.BorderStyle;
      }
      set
      {
        base.BorderStyle = value;
      }
    }

    public override System.Web.UI.WebControls.Unit BorderWidth
    {
      // NOTE: The BorderWidth property is inherited from the WebControl 
      // class and is not applicable to the DropDownList control. 
      get
      {
        return base.BorderWidth;
      }
      set
      {
        base.BorderWidth = value;
      }
    }

    public override string ToolTip
    {
      // NOTE: The ToolTip property is inherited from the WebControl 
      // class and is not applicable to the DropDownList control. 
      get
      {
        return base.ToolTip;
      }
      set
      {
        base.ToolTip = value;
      }
    }
  }
}

Imports System.Web
Imports System.Security.Permissions

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

        Public Overrides Property BorderColor() As System.Drawing.Color
            ' NOTE: The BorderColor property is inherited from the WebControl 
            ' class and is not applicable to the DropDownList control. 
            Get
                Return MyBase.BorderColor
            End Get
            Set(ByVal Value As System.Drawing.Color)
                MyBase.BorderColor = Value
            End Set
        End Property

        Public Overrides Property BorderStyle() As System.Web.UI.WebControls.BorderStyle
            ' NOTE: The BorderStyle property is inherited from the WebControl 
            ' class and is not applicable to the DropDownList control. 
            Get
                Return MyBase.BorderStyle
            End Get
            Set(ByVal Value As System.Web.UI.WebControls.BorderStyle)
                MyBase.BorderStyle = Value
            End Set
        End Property

        Public Overrides Property BorderWidth() As System.Web.UI.WebControls.Unit
            ' NOTE: The BorderWidth property is inherited from the WebControl 
            ' class and is not applicable to the DropDownList control. 
            Get
                Return MyBase.BorderWidth
            End Get
            Set(ByVal Value As System.Web.UI.WebControls.Unit)
                MyBase.BorderWidth = Value
            End Set
        End Property

        Public Overrides Property ToolTip() As String
            ' NOTE: The ToolTip property is inherited from the WebControl 
            ' class and is not applicable to the DropDownList control. 
            Get
                Return MyBase.ToolTip
            End Get
            Set(ByVal Value As String)
                MyBase.ToolTip = Value
            End Set
        End Property
    End Class
End Namespace

Remarks

Note

The BorderColor property is inherited from the WebControl class and is not applicable to the DropDownList control.

Applies to

Condividi tramite