WebControl.BorderStyle Vlastnost

  • Reference

Definice

Obor názvů:
System.Web.UI.WebControls
Sestavení:
System.Web.dll

Získá nebo nastaví styl ohraničení ovládacího prvku webového serveru.

public:
 virtual property System::Web::UI::WebControls::BorderStyle BorderStyle { System::Web::UI::WebControls::BorderStyle get(); void set(System::Web::UI::WebControls::BorderStyle value); };
[System.ComponentModel.Bindable(true)]
public virtual System.Web.UI.WebControls.BorderStyle BorderStyle { get; set; }
public virtual System.Web.UI.WebControls.BorderStyle BorderStyle { get; set; }
[<System.ComponentModel.Bindable(true)>]
member this.BorderStyle : System.Web.UI.WebControls.BorderStyle with get, set
member this.BorderStyle : System.Web.UI.WebControls.BorderStyle with get, set
Public Overridable Property BorderStyle As BorderStyle

Hodnota vlastnosti

BorderStyle

Jedna z hodnot výčtu BorderStyle . Výchozí formát je NotSet.

Atributy
BindableAttribute

Příklady

Následující příklad ukazuje, jak nastavit BorderStyle vlastnost Table ovládacího prvku, který je zděděný ze WebControl základní třídy.

<%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script runat="server">
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
    <title>BorderStyle Property</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <h3>BorderStyle Property of a Web Control</h3>
 
        <asp:Table id="Table1" runat="server"
            CellPadding = "10" 
            CellSpacing="0"
            GridLines="Both"
            BorderWidth="3"
            BorderColor="Red"
            BorderStyle="dashed">

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

<%@ Page Language="VB" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script runat="server">
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
    <title>BorderStyle Property</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <h3>BorderStyle Property of a Web Control</h3>
 
        <asp:Table id="Table1" runat="server"
            CellPadding = "10" 
            CellSpacing="0"
            GridLines="Both"
            BorderWidth="3"
            BorderColor="Red"
            BorderStyle="dashed">

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

Poznámka

Následující ukázka kódu používá model kódu s jedním souborem a nemusí správně fungovat, pokud je zkopírován přímo do souboru kódu na pozadí. Tento vzorový kód musí být zkopírován do prázdného textového souboru s příponou .aspx. Další informace o modelu kódu Web Forms najdete v tématu ASP.NET Web Forms model kódu stránky.

<!-- 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. -->

<!-- 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" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<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)
        {
// <Snippet4>
            // 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);
// </Snippet4>
            // 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)
    {
// <Snippet5>
        // 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);
// </Snippet5>
    }

    // This method handles the selectedIndexChanged event for boderStyleList.
    public void ChangeBorderStyle(object sender, System.EventArgs e)
    {
// <Snippet6>
        // 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);
// </Snippet6>
    }

    // This method handles the SelectedIndexChanged event for borderWidthList.
    public void ChangeBorderWidth(object sender, System.EventArgs e)
    {
// <Snippet7>
        // 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);
// </Snippet7>
    }
    </script>
<html xmlns="http://www.w3.org/1999/xhtml" >
    <head>
    <title> Border Properties Example </title>
</head>

    <body>
        <form id="form1" 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>

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

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<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
'<Snippet4>
            ' 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)
'</Snippet4>
            ' 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)
'<Snippet5>
        ' 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)
'</Snippet5>
    End Sub

    ' This method handles the selectedIndexChanged event for boderStyleList.
    Public Sub ChangeBorderStyle(sender As Object, e As System.EventArgs)
'<Snippet6>
        ' 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)
'</Snippet6>
    End Sub

    ' This method handles the SelectedIndexChanged event for borderWidthList.
    Public Sub ChangeBorderWidth(sender As Object, e As System.EventArgs)
'<Snippet7>
        ' 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)
'</Snippet7>
    End Sub
    </script>
<html xmlns="http://www.w3.org/1999/xhtml" >
    <head>
    <title> Border Properties Example </title>
</head>

    <body>
        <form id="form1" 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>

Poznámky

BorderStyle Pomocí vlastnosti určete styl ohraničení ovládacího prvku webového serveru. Tato vlastnost je nastavena pomocí jedné z hodnot výčtu BorderStyle . V následující tabulce jsou uvedené možné hodnoty.

Styl ohraničení Description
NotSet Styl ohraničení není nastavený.
None Bez ohraničení
Dotted Tečkované ohraničení čáry.
Dashed Přerušované ohraničení čáry.
Solid Plné ohraničení čáry.
Double Plný dvojitý okraj čáry.
Groove Ohraničení s drážkou pro vzhled potopeného ohraničení.
Ridge Vysunuté ohraničení pro vzhled vyvýšeného ohraničení.
Inset Vložené ohraničení pro vzhled potopené ovládacího prvku.
Outset Začátek ohraničení pro zobrazení vyvýšeného ovládacího prvku.

Poznámka

Tato vlastnost se nevykreslí v prohlížečích starších než Microsoft Internet Explorer 4 pro žádný ovládací prvek webového serveru. V HTML 3.2 neexistuje žádný ekvivalent.

Platí pro

Viz také