次の方法で共有


WebControl.BorderColor プロパティ

Web コントロールの境界線の色を取得または設定します。

Public Overridable Property BorderColor As Color
[C#]
public virtual Color BorderColor {get; set;}
[C++]
public: __property virtual Color get_BorderColor();public: __property virtual void set_BorderColor(Color);
[JScript]
public function get BorderColor() : Color;public function set BorderColor(Color);

プロパティ値

コントロールの境界線の色を表す System.Drawing.Color 。既定値は Color.Empty です。このプロパティが設定されていないことを示します。

解説

BorderColor プロパティを使用して、Web サーバー コントロールの境界線の色を指定します。このプロパティは、 System.Drawing.Color オブジェクトを使用して設定されます。

メモ   このプロパティは、特定のコントロールだけに表示されます。たとえば、 TablePanelDataGridCalendarValidationSummary などには、このプロパティが表示されます。また、このプロパティは、 RepeatLayout プロパティが RepeatLayout.Table に設定され、 RepeatLayout.Flow でない場合は、 CheckBoxListRadioButtonList および DataList でも機能します。ただし、このプロパティは、HTML 3.2 標準には含まれない、 bordercolor 属性として表示されます。この属性は、Microsoft Internet Explorer Version 3 以降では機能しますが、他のほとんどのブラウザでは機能しません。

使用例

[Visual Basic, C#, JScript] WebControl 基本クラスから継承された、 Table コントロールの BorderColor プロパティの設定方法の例を次に示します。

 
<%@ Page Language="VB" AutoEventWireup="True" %>
<html>
 <body>
     <h3>BorderColor Property of a Web Control</h3>
 
 <form runat=server>
 
 <asp:Table id="Table1" runat="server"
    CellPadding=10 
    GridLines="Both"
    
    BorderColor="Brown"
 >
 
    <asp:TableRow>
       <asp:TableCell>
          Row 0, Col 0
       </asp:TableCell>
 
       <asp:TableCell>
          Row 0, Col 1
       </asp:TableCell>
    </asp:TableRow>
 
    <asp:TableRow>
       <asp:TableCell>
          Row 1, Col 0
       </asp:TableCell>
 
       <asp:TableCell>
          Row 1, Col 1
       </asp:TableCell>
    </asp:TableRow>
 
 </asp:Table>
 
 </form>
 
 </body>
 </html>
 

[C#] 
<%@ Page Language="C#" AutoEventWireup="True" %>
<html>
 <body>
     <h3>BorderColor Property of a Web Control</h3>
 
 <form runat=server>
 
 <asp:Table id="Table1" runat="server"
    CellPadding=10 
    GridLines="Both"
    
    BorderColor="Brown"
 >
 
    <asp:TableRow>
       <asp:TableCell>
          Row 0, Col 0
       </asp:TableCell>
 
       <asp:TableCell>
          Row 0, Col 1
       </asp:TableCell>
    </asp:TableRow>
 
    <asp:TableRow>
       <asp:TableCell>
          Row 1, Col 0
       </asp:TableCell>
 
       <asp:TableCell>
          Row 1, Col 1
       </asp:TableCell>
    </asp:TableRow>
 
 </asp:Table>
 
 </form>
 
 </body>
 </html>
 

[JScript] 
<%@ Page Language="JScript" AutoEventWireup="True" %>
<html>
 <body>
     <h3>BorderColor Property of a Web Control</h3>
 
 <form runat=server>
 
 <asp:Table id="Table1" runat="server"
    CellPadding=10 
    GridLines="Both"
    
    BorderColor="Brown"
 >
 
    <asp:TableRow>
       <asp:TableCell>
          Row 0, Col 0
       </asp:TableCell>
 
       <asp:TableCell>
          Row 0, Col 1
       </asp:TableCell>
    </asp:TableRow>
 
    <asp:TableRow>
       <asp:TableCell>
          Row 1, Col 0
       </asp:TableCell>
 
       <asp:TableCell>
          Row 1, Col 1
       </asp:TableCell>
    </asp:TableRow>
 
 </asp:Table>
 
 </form>
 
 </body>
 </html>
 

[Visual Basic] 
<!-- This example demonstrates how to set property values for the
BorderColor, BorderStyle, and BorderWidth properties, and how to 
change the property values at run time. -->

    . . . 
<%@ Page language="VB" AutoEventWireup="true" %>
<%@ Import Namespace="System.Drawing" %>

<HTML>
    <HEAD>
        <SCRIPT runat="server">
            Private Sub Page_Load(sender As Object, e As System.EventArgs)
                ' Determine whether this is the first time the page is loaded;
                ' if so, load the drop-down lists with data.
                If Not Page.IsPostBack Then
                    ' Create a ListItemCollection and add names of colors.
                    Dim colors As New ListItemCollection()
                    colors.Add(Color.Black.Name)
                    colors.Add(Color.Blue.Name)
                    colors.Add(Color.Green.Name)
                    colors.Add(Color.Orange.Name)
                    colors.Add(Color.Purple.Name)
                    colors.Add(Color.Red.Name)
                    colors.Add(Color.White.Name)
                    colors.Add(Color.Yellow.Name)
                    ' Bind the colors collection to the borderColorList.
                    borderColorList.DataSource = colors
                    borderColorList.DataBind()

                    ' Create a ListItemCollection and the add names of 
                    ' the BorderStyle enumeration values.
                    Dim styles As New ListItemCollection()
                    Dim styleType As Type = GetType(BorderStyle)

                    Dim s As String
                    For Each s In  [Enum].GetNames(styleType)
                        styles.Add(s)
                    Next s

                    ' Bind the styles collection to the borderStyleList.
                    borderStyleList.DataSource = styles
                    borderStyleList.DataBind()

                    ' Create a ListItemCollection and add width values
                    ' expressed in pixels (px).
                    Dim widths As New ListItemCollection()

                    Dim i As Integer
                    For i = 0 To 10
                        widths.Add(i.ToString() & "px")
                    Next i

                    ' Bind the widths collection to the borderWidthList.
                    borderWidthList.DataSource = widths
                    borderWidthList.DataBind()
                End If
            End Sub

            ' This method handles the SelectedIndexChanged event for borderColorList.
            Public Sub ChangeBorderColor(sender As Object, e As System.EventArgs)
                ' Convert the color name string to an object of type Color, 
                ' and set the Color as the new border color for Label1.
                Label1.BorderColor = Color.FromName(borderColorList.SelectedItem.Text)
            End Sub

            ' This method handles the selectedIndexChanged event for boderStyleList.
            Public Sub ChangeBorderStyle(sender As Object, e As System.EventArgs)
                ' Convert the style name string to a BorderStyle enumeration value,
                ' and set the BorderStyle as the new border style for Label1.
                Dim styleType As Type = GetType(BorderStyle)
                Label1.BorderStyle = [Enum].Parse(styleType, borderStyleList.SelectedItem.Text)
            End Sub

            ' This method handles the SelectedIndexChanged event for borderWidthList.
            Public Sub ChangeBorderWidth(sender As Object, e As System.EventArgs)
                ' Convert the border width string to a object of type Unit,
                ' and set the Unit as the new border width for Label1.
                Label1.BorderWidth = Unit.Parse(borderWidthList.SelectedItem.Text)
            End Sub
    </SCRIPT>
    </HEAD>

    <BODY>
        <form runat="server">

            <h3> Border Properties Example </h3>

            <table border="0" cellpadding="6">
                <tr>
                    <td>
                        <asp:Label Runat="server" BorderColor="Black" 
                            BorderStyle="Solid" BorderWidth="4px" ID="Label1" 
                            Text="Border Properties Example" Height="75" 
                            Width="200"><center><br>Border Properties Example
                            </center></asp:Label>
                    </td>

                    <td>
                        <asp:DropDownList Runat="server" ID="borderColorList" 
                            OnSelectedIndexChanged="ChangeBorderColor" AutoPostBack="True" 
                            EnableViewState="True"></asp:DropDownList>
                        <br>
                        <br>
                        <asp:DropDownList Runat="server" ID="borderStyleList" 
                            OnSelectedIndexChanged="ChangeBorderStyle" AutoPostBack="True" 
                            EnableViewState="True"></asp:DropDownList>
                        <br>            
                        <br>
                        <asp:DropDownList Runat="server" ID="borderWidthList" 
                            OnSelectedIndexChanged="ChangeBorderWidth" AutoPostBack="True"
                            EnableViewState="True"></asp:DropDownList>
                    </td>
                </tr>
            </table>

        </form>
    </body>
</HTML>

[C#] 
<!-- This example demonstrates how to set property values for the
BorderColor, BorderStyle, and BorderWidth properties, and how to 
change the property values at run time. -->

    . . . 
<%@ Page language="c#" AutoEventWireup="true" %>
<%@ Import Namespace="System.Drawing" %>

<HTML>
    <HEAD>
        <SCRIPT runat="server">
            private void Page_Load(object sender, System.EventArgs e)
            {
                // Determine whether this is the first time the page is loaded;
                // if so, load the drop-down lists with data.
                if (!Page.IsPostBack)
                {
                    // Create a ListItemCollection and add names of colors.
                    ListItemCollection colors = new ListItemCollection();
                    colors.Add(Color.Black.Name);
                    colors.Add(Color.Blue.Name);
                    colors.Add(Color.Green.Name);
                    colors.Add(Color.Orange.Name);
                    colors.Add(Color.Purple.Name);
                    colors.Add(Color.Red.Name);
                    colors.Add(Color.White.Name);
                    colors.Add(Color.Yellow.Name);
                    // Bind the colors collection to the borderColorList.
                    borderColorList.DataSource = colors;
                    borderColorList.DataBind();

                    // Create a ListItemCollection and the add names of 
                    // the BorderStyle enumeration values.
                    ListItemCollection styles = new ListItemCollection();

                    foreach (string s in Enum.GetNames(typeof(BorderStyle)))
                    {
                        styles.Add(s);
                    }

                    // Bind the styles collection to the borderStyleList.
                    borderStyleList.DataSource = styles;
                    borderStyleList.DataBind();

                    // Create a ListItemCollection and add width values
                    // expressed in pixels (px).
                    ListItemCollection widths = new ListItemCollection();

                    for (int i = 0; i < 11; i++)
                    {
                        widths.Add(i.ToString() + "px");
                    }

                    // Bind the widths collection to the borderWidthList.
                    borderWidthList.DataSource = widths;
                    borderWidthList.DataBind();
                }

            }

            // This method handles the SelectedIndexChanged event for borderColorList.
            public void ChangeBorderColor(object sender, System.EventArgs e)
            {
                // Convert the color name string to an object of type Color, 
                // and set the Color as the new border color for Label1.
                Label1.BorderColor = Color.FromName(borderColorList.SelectedItem.Text);
            }

            // This method handles the selectedIndexChanged event for boderStyleList.
            public void ChangeBorderStyle(object sender, System.EventArgs e)
            {
                // Convert the style name string to a BorderStyle enumeration value,
                // and set the BorderStyle as the new border style for Label1.
                Label1.BorderStyle = (BorderStyle)Enum.Parse(typeof(BorderStyle),
                                      borderStyleList.SelectedItem.Text);
            }

            // This method handles the SelectedIndexChanged event for borderWidthList.
            public void ChangeBorderWidth(object sender, System.EventArgs e)
            {
                // Convert the border width string to a object of type Unit,
                // and set the Unit as the new border width for Label1.
                Label1.BorderWidth = Unit.Parse(borderWidthList.SelectedItem.Text);
            }
    </SCRIPT>
    </HEAD>

    <BODY>
        <form runat="server">

            <h3> Border Properties Example </h3>

            <table border="0" cellpadding="6">
                <tr>
                    <td>
                        <asp:Label Runat="server" BorderColor="Black" 
                            BorderStyle="Solid" BorderWidth="4px" ID="Label1" 
                            Text="Border Properties Example" Height="75" 
                            Width="200"><center><br>Border Properties Example
                            </center></asp:Label>
                    </td>

                    <td>
                        <asp:DropDownList Runat="server" ID="borderColorList" 
                            OnSelectedIndexChanged="ChangeBorderColor" AutoPostBack="True" 
                            EnableViewState="True"></asp:DropDownList>
                        <br>
                        <br>
                        <asp:DropDownList Runat="server" ID="borderStyleList" 
                            OnSelectedIndexChanged="ChangeBorderStyle" AutoPostBack="True" 
                            EnableViewState="True"></asp:DropDownList>
                        <br>            
                        <br>
                        <asp:DropDownList Runat="server" ID="borderWidthList" 
                            OnSelectedIndexChanged="ChangeBorderWidth" AutoPostBack="True"
                            EnableViewState="True"></asp:DropDownList>
                    </td>
                </tr>
            </table>

        </form>
    </body>
</HTML>

[C++] C++ のサンプルはありません。Visual Basic、C#、および JScript のサンプルを表示するには、このページの左上隅にある言語のフィルタ ボタン 言語のフィルタ をクリックします。

必要条件

プラットフォーム: Windows 2000, Windows XP Professional, Windows Server 2003 ファミリ

参照

WebControl クラス | WebControl メンバ | System.Web.UI.WebControls 名前空間 | System.Drawing.Color | Style | Table | Panel | DataGrid | Calendar | ValidationSummary | CheckBoxList | RadioButtonList | DataList | RepeatLayout