Unit.Parse Metodo

Definizione

Converte una stringa in un oggetto Unit.

Overload

Parse(String)

Converte la stringa specificata in un oggetto Unit.

Parse(String, CultureInfo)

Converte la stringa specificata e l'oggetto CultureInfo in un oggetto Unit.

Parse(String)

Converte la stringa specificata in un oggetto Unit.

public:
 static System::Web::UI::WebControls::Unit Parse(System::String ^ s);
public static System.Web.UI.WebControls.Unit Parse (string s);
static member Parse : string -> System.Web.UI.WebControls.Unit
Public Shared Function Parse (s As String) As Unit

Parametri

s
String

Stringa da convertire.

Restituisce

Oggetto Unit che rappresenta la stringa specificata.

Esempio

<!--  -->
<!-- -->
<%@ Page Language="C#" %>
<%@ 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 Style primaryStyle = new Style();

    void Page_Load(object sender, System.EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            // Add data to the borderColorList, 
            // backColorList, and foreColorList controls.
            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);
            borderColorList.DataSource = colors;
            borderColorList.DataBind();
            backColorList.DataSource = colors;
            backColorList.DataBind();
            foreColorList.DataSource = colors;
            foreColorList.DataBind();
            //<Snippet4>              

            // Add data to the borderStyleList control.
            ListItemCollection styles = new ListItemCollection();
            Type styleType = typeof(BorderStyle);
            foreach (string s in Enum.GetNames(styleType))
            {
                styles.Add(s);
            }
            borderStyleList.DataSource = styles;
            borderStyleList.DataBind();
            //</Snippet4>           

            // Add data to the borderWidthList control.
            ListItemCollection widths = new ListItemCollection();
            for (int i = 0; i < 11; i++)
            {
                widths.Add(i.ToString() + "px");
            }
            borderWidthList.DataSource = widths;
            borderWidthList.DataBind();

            // Add data to the fontNameList control.
            ListItemCollection names = new ListItemCollection();
            names.Add("Arial");
            names.Add("Courier");
            names.Add("Garamond");
            names.Add("Times New Roman");
            names.Add("Verdana");
            fontNameList.DataSource = names;
            fontNameList.DataBind();

            // Add data to the fontSizeList control.
            ListItemCollection fontSizes = new ListItemCollection();
            fontSizes.Add("Small");
            fontSizes.Add("Medium");
            fontSizes.Add("Large");
            fontSizes.Add("10pt");
            fontSizes.Add("14pt");
            fontSizes.Add("20pt");
            fontSizeList.DataSource = fontSizes;
            fontSizeList.DataBind();

            //Set primaryStyle as the style for each control.
            Label1.ApplyStyle(primaryStyle);
            ListBox1.ApplyStyle(primaryStyle);
            Button1.ApplyStyle(primaryStyle);
            Table1.ApplyStyle(primaryStyle);
            TextBox1.ApplyStyle(primaryStyle);
        }
    }
    //<Snippet5>
    void ChangeBorderColor(object sender, System.EventArgs e)
    {
        primaryStyle.BorderColor =
            Color.FromName(borderColorList.SelectedItem.Text);
        Label1.ApplyStyle(primaryStyle);
        ListBox1.ApplyStyle(primaryStyle);
        Button1.ApplyStyle(primaryStyle);
        Table1.ApplyStyle(primaryStyle);
        TextBox1.ApplyStyle(primaryStyle);
    }
    //</Snippet5>

    //<Snippet6>
    void ChangeBackColor(object sender, System.EventArgs e)
    {
        primaryStyle.BackColor =
            Color.FromName(backColorList.SelectedItem.Text);
        Label1.ApplyStyle(primaryStyle);
        ListBox1.ApplyStyle(primaryStyle);
        Button1.ApplyStyle(primaryStyle);
        Table1.ApplyStyle(primaryStyle);
        TextBox1.ApplyStyle(primaryStyle);
    }
    //</Snippet6>

    //<Snippet7>
    void ChangeForeColor(object sender, System.EventArgs e)
    {
        primaryStyle.ForeColor =
            Color.FromName(foreColorList.SelectedItem.Text);
        Label1.ApplyStyle(primaryStyle);
        ListBox1.ApplyStyle(primaryStyle);
        Button1.ApplyStyle(primaryStyle);
        Table1.ApplyStyle(primaryStyle);
        TextBox1.ApplyStyle(primaryStyle);
    }
    //</Snippet7>

    //<Snippet8>
    void ChangeBorderStyle(object sender, System.EventArgs e)
    {
        primaryStyle.BorderStyle =
            (BorderStyle)Enum.Parse(typeof(BorderStyle),
            borderStyleList.SelectedItem.Text);
        Label1.ApplyStyle(primaryStyle);
        ListBox1.ApplyStyle(primaryStyle);
        Button1.ApplyStyle(primaryStyle);
        Table1.ApplyStyle(primaryStyle);
        TextBox1.ApplyStyle(primaryStyle);
    }
    //</Snippet8>

    //<Snippet9>
    void ChangeBorderWidth(object sender, System.EventArgs e)
    {
        primaryStyle.BorderWidth =
            Unit.Parse(borderWidthList.SelectedItem.Text);
        Label1.ApplyStyle(primaryStyle);
        ListBox1.ApplyStyle(primaryStyle);
        Button1.ApplyStyle(primaryStyle);
        Table1.ApplyStyle(primaryStyle);
        TextBox1.ApplyStyle(primaryStyle);
    }
    //</Snippet9>

    //<Snippet10>
    void ChangeFont(object sender, System.EventArgs e)
    {
        primaryStyle.Font.Name =
            fontNameList.SelectedItem.Text;
        Label1.ApplyStyle(primaryStyle);
        ListBox1.ApplyStyle(primaryStyle);
        Button1.ApplyStyle(primaryStyle);
        Table1.ApplyStyle(primaryStyle);
        TextBox1.ApplyStyle(primaryStyle);
    }
    //</Snippet10>

    //<Snippet11>
    void ChangeFontSize(object sender, System.EventArgs e)
    {
        primaryStyle.Font.Size =
            FontUnit.Parse(fontSizeList.SelectedItem.Text);
        Label1.ApplyStyle(primaryStyle);
        ListBox1.ApplyStyle(primaryStyle);
        Button1.ApplyStyle(primaryStyle);
        Table1.ApplyStyle(primaryStyle);
        TextBox1.ApplyStyle(primaryStyle);
    }
    //</Snippet11>
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>

    <table cellpadding="6" border="0">
        <tr>
            <td rowspan="10" style="border:solid 1px Gray">
                <p>
                    <asp:label id="Label1" 
                        Text="Border Properties Example" Runat="server">
                        Label Styles
                    </asp:label>
                </p>
                <p>
                    <asp:button id="Button1" runat="server" 
                        Text="Button Styles">
                    </asp:button>
                </p>
                <p>
                    <asp:listbox id="ListBox1" Runat="server">
                        <asp:ListItem Value="0" Text="List Item 0">
                        </asp:ListItem>
                        <asp:ListItem Value="1" Text="List Item 1">
                        </asp:ListItem>
                        <asp:ListItem Value="2" Text="List Item 2">
                        </asp:ListItem>
                    </asp:listbox>
                </p>
                <p>
                    <asp:textbox id="TextBox1" 
                        Text="TextBox Styles" Runat="server">
                    </asp:textbox>
                </p>
                <p>
                    <asp:table id="Table1" Runat="server">
                        <asp:TableRow>
                            <asp:TableCell Text="(0,0)"></asp:TableCell>
                            <asp:TableCell Text="(0,1)"></asp:TableCell>
                        </asp:TableRow>
                        <asp:TableRow>
                            <asp:TableCell Text="(1,0)"></asp:TableCell>
                            <asp:TableCell Text="(1,1)"></asp:TableCell>
                        </asp:TableRow>
                    </asp:table>
                </p>
            </td>
            <td align="right">
                <asp:Label ID="Label2" runat="server" 
                    AssociatedControlID="borderColorList" 
                    Text="Border Color:">
                </asp:Label>
            </td>
            <td>
                <asp:dropdownlist id="borderColorList" 
                    Runat="server" AutoPostBack="True" 
                    OnSelectedIndexChanged="ChangeBorderColor">
                </asp:dropdownlist>
            </td>
        </tr>
        <tr>
            <td align="right">
                <asp:Label ID="Label3" Runat="server" 
                    AssociatedControlID="borderStyleList"
                    Text="Border Style:">
                </asp:Label>
            </td>
            <td>
                <asp:dropdownlist id="borderStyleList" 
                    Runat="server" AutoPostBack="True"
                    OnSelectedIndexChanged="ChangeBorderStyle">
                </asp:dropdownlist>
            </td>
        </tr>
        <tr>
            <td align="right">
                <asp:Label ID="Label4" Runat="server" 
                    AssociatedControlID="borderWidthList"
                    Text="Border Width">
                </asp:Label>
            </td>
            <td>
                <asp:dropdownlist id="borderWidthList" 
                    Runat="server" AutoPostBack="True"
                    OnSelectedIndexChanged="ChangeBorderWidth">
                </asp:dropdownlist>
            </td>
        </tr>
        <tr>
            <td align="right">
                <asp:Label ID="Label5" Runat="server" 
                    AssociatedControlID="backColorList"
                    Text="Back Color:">
                </asp:Label>
            </td>
            <td>
                <asp:dropdownlist id="backColorList" 
                    Runat="server" AutoPostBack="True"
                    OnSelectedIndexChanged="ChangeBackColor">
                </asp:dropdownlist>
            </td>
        </tr>
        <tr>
            <td align="right">
                <asp:Label ID="Label6" Runat="server" 
                    AssociatedControlID="foreColorList"
                    Text="Foreground Color:">
                </asp:Label>
            </td>
            <td>
                <asp:dropdownlist id="foreColorList" 
                    Runat="server" AutoPostBack="True"
                    OnSelectedIndexChanged="ChangeForeColor">
                </asp:dropdownlist>
            </td>
        </tr>
        <tr>
            <td align="right">
                <asp:Label ID="Label7" Runat="server" 
                    AssociatedControlID="fontNameList"
                    Text="Font Name:">
                </asp:Label>
            </td>
            <td>
                <asp:dropdownlist id="fontNameList" 
                    Runat="server" AutoPostBack="True"
                    OnSelectedIndexChanged="ChangeFont">
                </asp:dropdownlist>
            </td>
        </tr>
        <tr>
            <td align="right">
                <asp:Label ID="Label8" Runat="server" 
                    AssociatedControlID="fontSizeList"
                    Text="Font Size:">
                </asp:Label>
            </td>
            <td>
                <asp:dropdownlist id="fontSizeList" 
                    Runat="server" AutoPostBack="True" 
                    OnSelectedIndexChanged="ChangeFontSize">
                </asp:dropdownlist>
            </td>
        </tr>
    </table>

    </div>
    </form>
</body>
</html>
<%@ Page Language="VB" %>
<%@ 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 primaryStyle As New Style()

    Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs)
        If Not Page.IsPostBack Then
            ' Add data to the borderColorList, 
            ' backColorList, and foreColorList controls.
            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)
            borderColorList.DataSource = colors
            borderColorList.DataBind()
            backColorList.DataSource = colors
            backColorList.DataBind()
            foreColorList.DataSource = colors
            foreColorList.DataBind()
                
            '<Snippet4>
            ' Add data to the borderStyleList control.
            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
            borderStyleList.DataSource = styles
            borderStyleList.DataBind()
            '</Snippet4>           

            ' Add data to the borderWidthList control.
            Dim widths As New ListItemCollection()
            Dim i As Integer
            For i = 0 To 10
                widths.Add(i.ToString() & "px")
            Next i
            borderWidthList.DataSource = widths
            borderWidthList.DataBind()

            ' Add data to the fontNameList control.
            Dim names As New ListItemCollection()
            names.Add("Arial")
            names.Add("Courier")
            names.Add("Garamond")
            names.Add("Times New Roman")
            names.Add("Verdana")
            fontNameList.DataSource = names
            fontNameList.DataBind()

            ' Add data to the fontSizeList control.
            Dim fontSizes As New ListItemCollection()
            fontSizes.Add("Small")
            fontSizes.Add("Medium")
            fontSizes.Add("Large")
            fontSizes.Add("10pt")
            fontSizes.Add("14pt")
            fontSizes.Add("20pt")
            fontSizeList.DataSource = fontSizes
            fontSizeList.DataBind()
                    
            ' Set primaryStyle as the style for each control.
            Label1.ApplyStyle(primaryStyle)
            ListBox1.ApplyStyle(primaryStyle)
            Button1.ApplyStyle(primaryStyle)
            Table1.ApplyStyle(primaryStyle)
            TextBox1.ApplyStyle(primaryStyle)
        End If
    End Sub

    '<Snippet5>
    Sub ChangeBorderColor(ByVal sender As Object, ByVal e As System.EventArgs)
        primaryStyle.BorderColor = _
            Color.FromName(borderColorList.SelectedItem.Text)
        Label1.ApplyStyle(primaryStyle)
        ListBox1.ApplyStyle(primaryStyle)
        Button1.ApplyStyle(primaryStyle)
        Table1.ApplyStyle(primaryStyle)
        TextBox1.ApplyStyle(primaryStyle)
    End Sub
    '</Snippet5>

    '<Snippet6>    
    Sub ChangeBackColor(ByVal sender As Object, ByVal e As System.EventArgs)
        primaryStyle.BackColor = _
            Color.FromName(backColorList.SelectedItem.Text)
        Label1.ApplyStyle(primaryStyle)
        ListBox1.ApplyStyle(primaryStyle)
        Button1.ApplyStyle(primaryStyle)
        Table1.ApplyStyle(primaryStyle)
        TextBox1.ApplyStyle(primaryStyle)
    End Sub
    '</Snippet6>

    '<Snippet7>
    Sub ChangeForeColor(ByVal sender As Object, ByVal e As System.EventArgs)
        primaryStyle.ForeColor = _
            Color.FromName(foreColorList.SelectedItem.Text)
        Label1.ApplyStyle(primaryStyle)
        ListBox1.ApplyStyle(primaryStyle)
        Button1.ApplyStyle(primaryStyle)
        Table1.ApplyStyle(primaryStyle)
        TextBox1.ApplyStyle(primaryStyle)
    End Sub
    '</Snippet7>

    '<Snippet8>
    Sub ChangeBorderStyle(ByVal sender As Object, ByVal e As System.EventArgs)
        primaryStyle.BorderStyle = _
            CType([Enum].Parse(GetType(BorderStyle), _
            borderStyleList.SelectedItem.Text), BorderStyle)
        Label1.ApplyStyle(primaryStyle)
        ListBox1.ApplyStyle(primaryStyle)
        Button1.ApplyStyle(primaryStyle)
        Table1.ApplyStyle(primaryStyle)
        TextBox1.ApplyStyle(primaryStyle)
    End Sub
    '</Snippet8>

    '<Snippet9>
    Sub ChangeBorderWidth(ByVal sender As Object, ByVal e As System.EventArgs)
        primaryStyle.BorderWidth = _
            Unit.Parse(borderWidthList.SelectedItem.Text)
        Label1.ApplyStyle(primaryStyle)
        ListBox1.ApplyStyle(primaryStyle)
        Button1.ApplyStyle(primaryStyle)
        Table1.ApplyStyle(primaryStyle)
        TextBox1.ApplyStyle(primaryStyle)
    End Sub
    '</Snippet9>

    '<Snippet10>
    Sub ChangeFont(ByVal sender As Object, ByVal e As System.EventArgs)
        primaryStyle.Font.Name = _
            fontNameList.SelectedItem.Text
        Label1.ApplyStyle(primaryStyle)
        ListBox1.ApplyStyle(primaryStyle)
        Button1.ApplyStyle(primaryStyle)
        Table1.ApplyStyle(primaryStyle)
        TextBox1.ApplyStyle(primaryStyle)
    End Sub
    '</Snippet10>

    '<Snippet11>
    Sub ChangeFontSize(ByVal sender As Object, ByVal e As System.EventArgs)
        primaryStyle.Font.Size = _
            FontUnit.Parse(fontSizeList.SelectedItem.Text)
        Label1.ApplyStyle(primaryStyle)
        ListBox1.ApplyStyle(primaryStyle)
        Button1.ApplyStyle(primaryStyle)
        Table1.ApplyStyle(primaryStyle)
        TextBox1.ApplyStyle(primaryStyle)
    End Sub
    '</Snippet11>
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Applied Style Example</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>

    <table cellpadding="6" border="0">
        <tr>
            <td rowspan="10" style="border:solid 1px Gray">
                <p>
                    <asp:label id="Label1" 
                        Text="Border Properties Example" Runat="server">
                        Label Styles
                    </asp:label>
                </p>
                <p>
                    <asp:button id="Button1" runat="server" 
                        Text="Button Styles">
                    </asp:button>
                </p>
                <p>
                    <asp:listbox id="ListBox1" Runat="server">
                        <asp:ListItem Value="0" Text="List Item 0">
                        </asp:ListItem>
                        <asp:ListItem Value="1" Text="List Item 1">
                        </asp:ListItem>
                        <asp:ListItem Value="2" Text="List Item 2">
                        </asp:ListItem>
                    </asp:listbox>
                </p>
                <p>
                    <asp:textbox id="TextBox1" 
                        Text="TextBox Styles" Runat="server">
                    </asp:textbox>
                </p>
                <p>
                    <asp:table id="Table1" Runat="server">
                        <asp:TableRow>
                            <asp:TableCell Text="(0,0)"></asp:TableCell>
                            <asp:TableCell Text="(0,1)"></asp:TableCell>
                        </asp:TableRow>
                        <asp:TableRow>
                            <asp:TableCell Text="(1,0)"></asp:TableCell>
                            <asp:TableCell Text="(1,1)"></asp:TableCell>
                        </asp:TableRow>
                    </asp:table>
                </p>
            </td>
            <td align="right">
                <asp:Label ID="Label2" runat="server" 
                    AssociatedControlID="borderColorList" 
                    Text="Border Color:">
                </asp:Label>
            </td>
            <td>
                <asp:dropdownlist id="borderColorList" 
                    Runat="server" AutoPostBack="True" 
                    OnSelectedIndexChanged="ChangeBorderColor">
                </asp:dropdownlist>
            </td>
        </tr>
        <tr>
            <td align="right">
                <asp:Label ID="Label3" Runat="server" 
                    AssociatedControlID="borderStyleList"
                    Text="Border Style:">
                </asp:Label>
            </td>
            <td>
                <asp:dropdownlist id="borderStyleList" 
                    Runat="server" AutoPostBack="True"
                    OnSelectedIndexChanged="ChangeBorderStyle">
                </asp:dropdownlist>
            </td>
        </tr>
        <tr>
            <td align="right">
                <asp:Label ID="Label4" Runat="server" 
                    AssociatedControlID="borderWidthList"
                    Text="Border Width">
                </asp:Label>
            </td>
            <td>
                <asp:dropdownlist id="borderWidthList" 
                    Runat="server" AutoPostBack="True"
                    OnSelectedIndexChanged="ChangeBorderWidth">
                </asp:dropdownlist>
            </td>
        </tr>
        <tr>
            <td align="right">
                <asp:Label ID="Label5" Runat="server" 
                    AssociatedControlID="backColorList"
                    Text="Back Color:">
                </asp:Label>
            </td>
            <td>
                <asp:dropdownlist id="backColorList" 
                    Runat="server" AutoPostBack="True"
                    OnSelectedIndexChanged="ChangeBackColor">
                </asp:dropdownlist>
            </td>
        </tr>
        <tr>
            <td align="right">
                <asp:Label ID="Label6" Runat="server" 
                    AssociatedControlID="foreColorList"
                    Text="Foreground Color:">
                </asp:Label>
            </td>
            <td>
                <asp:dropdownlist id="foreColorList" 
                    Runat="server" AutoPostBack="True"
                    OnSelectedIndexChanged="ChangeForeColor">
                </asp:dropdownlist>
            </td>
        </tr>
        <tr>
            <td align="right">
                <asp:Label ID="Label7" Runat="server" 
                    AssociatedControlID="fontNameList"
                    Text="Font Name:">
                </asp:Label>
            </td>
            <td>
                <asp:dropdownlist id="fontNameList" 
                    Runat="server" AutoPostBack="True"
                    OnSelectedIndexChanged="ChangeFont">
                </asp:dropdownlist>
            </td>
        </tr>
        <tr>
            <td align="right">
                <asp:Label ID="Label8" Runat="server" 
                    AssociatedControlID="fontSizeList"
                    Text="Font Size:">
                </asp:Label>
            </td>
            <td>
                <asp:dropdownlist id="fontSizeList" 
                    Runat="server" AutoPostBack="True" 
                    OnSelectedIndexChanged="ChangeFontSize">
                </asp:dropdownlist>
            </td>
        </tr>
    </table>

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

Commenti

Usare il Parse metodo statico per convertire la stringa specificata dal s parametro in un Unitoggetto .

Nota

L'unità di misura quando si usa questo metodo è Pixel.

Vedi anche

Si applica a

Parse(String, CultureInfo)

Converte la stringa specificata e l'oggetto CultureInfo in un oggetto Unit.

public:
 static System::Web::UI::WebControls::Unit Parse(System::String ^ s, System::Globalization::CultureInfo ^ culture);
public static System.Web.UI.WebControls.Unit Parse (string s, System.Globalization.CultureInfo culture);
static member Parse : string * System.Globalization.CultureInfo -> System.Web.UI.WebControls.Unit
Public Shared Function Parse (s As String, culture As CultureInfo) As Unit

Parametri

s
String

Stringa da convertire.

culture
CultureInfo

Oggetto CultureInfo che rappresenta le impostazioni cultura.

Restituisce

Oggetto Unit che rappresenta la stringa specificata.

Commenti

Utilizzare il Parse metodo statico per convertire la stringa specificata da s in una Unit nelle impostazioni cultura specificate da culture.

Nota

L'unità di misura quando si usa questo metodo è Pixel.

Vedi anche

Si applica a