CheckBoxList.TextAlign Egenskap

Definition

Namnområde:: System.Web.UI.WebControls

Sammansättning:: System.Web.dll

Viktigt

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Hämtar eller anger textjusteringen för kryssrutorna i gruppen.

public:
 virtual property System::Web::UI::WebControls::TextAlign TextAlign { System::Web::UI::WebControls::TextAlign get(); void set(System::Web::UI::WebControls::TextAlign value); };

[System.ComponentModel.Bindable(true)]
public virtual System.Web.UI.WebControls.TextAlign TextAlign { get; set; }

public virtual System.Web.UI.WebControls.TextAlign TextAlign { get; set; }

[<System.ComponentModel.Bindable(true)>]
member this.TextAlign : System.Web.UI.WebControls.TextAlign with get, set

member this.TextAlign : System.Web.UI.WebControls.TextAlign with get, set

Public Overridable Property TextAlign As TextAlign

Egenskapsvärde

TextAlign

Ett av TextAlign värdena. Standardvärdet är Right.

Attribut: BindableAttribute

Undantag

ArgumentOutOfRangeException

Den angivna etiketttextjusteringen TextAlign är inte ett av värdena.

Exempel

Följande kodexempel visar hur du använder TextAlign egenskapen för att ange att texten som är associerad med kryssrutorna visas till höger om CheckBoxList kontrollen.

Note

Följande kodexempel använder kodmodellen med en fil och kanske inte fungerar korrekt om den kopieras direkt till en kod bakom-fil. Varje kodexempel måste kopieras till en tom textfil som har ett .aspx-tillägg. Mer information om kodmodellen Web Forms finns i ASP.NET Web Forms Page Code Model.

<%@ Page Language="C#" AutoEventWireup="True" %>
<!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>CheckBoxList Example</title>
<script language="C#" runat="server">

   void Check_Clicked(Object sender, EventArgs e) 
   {
      Message.Text = "Selected Item(s):<br /><br />";
      for (int i = 0; i < CheckBoxList1.Items.Count; i++)
      {
         if (CheckBoxList1.Items[i].Selected)
            Message.Text += CheckBoxList1.Items[i].Text + "<br />";
      }
   }

</script>
 
</head>
<body>
   
   <form id="form1" action="CheckBoxList.aspx" method="post" runat="server">
 
      <h3>CheckBoxList Example</h3>

      <asp:CheckBoxList id="CheckBoxList1" 
           AutoPostBack="True"
           CellPadding="5"
           CellSpacing="5"
           RepeatColumns="2"
           RepeatDirection="Vertical"
           RepeatLayout="Flow"
           TextAlign="Right"
           OnSelectedIndexChanged="Check_Clicked"
           runat="server">
 
         <asp:ListItem>Item 1</asp:ListItem>
         <asp:ListItem>Item 2</asp:ListItem>
         <asp:ListItem>Item 3</asp:ListItem>
         <asp:ListItem>Item 4</asp:ListItem>
         <asp:ListItem>Item 5</asp:ListItem>
         <asp:ListItem>Item 6</asp:ListItem>
 
      </asp:CheckBoxList>
 
      <br /><br />

      <asp:label id="Message" runat="server"/>
             
   </form>
          
</body>
</html>

<%@ Page Language="VB" AutoEventWireup="True" %>
<!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>CheckBoxList Example</title>
<script language="VB" runat="server">

   Sub Check_Clicked(sender As Object, e As EventArgs)
      Dim i As Integer
      Message.Text = "Selected Item(s):<br /><br />"
      For i = 0 To CheckBoxList1.Items.Count - 1
         If checkboxlist1.Items(i).Selected Then
            Message.Text += checkboxlist1.Items(i).Text + "<br />"
         End If
      Next
   End Sub

</script>
 
</head>
<body>
   
   <form id="form1" action="CheckBoxList.aspx" method="post" runat="server">
 
      <h3>CheckBoxList Example</h3>

      <asp:CheckBoxList id="CheckBoxList1" 
           AutoPostBack="True"
           CellPadding="5"
           CellSpacing="5"
           RepeatColumns="2"
           RepeatDirection="Vertical"
           RepeatLayout="Flow"
           TextAlign="Right"
           OnSelectedIndexChanged="Check_Clicked"
           runat="server">
 
         <asp:ListItem>Item 1</asp:ListItem>
         <asp:ListItem>Item 2</asp:ListItem>
         <asp:ListItem>Item 3</asp:ListItem>
         <asp:ListItem>Item 4</asp:ListItem>
         <asp:ListItem>Item 5</asp:ListItem>
         <asp:ListItem>Item 6</asp:ListItem>
 
      </asp:CheckBoxList>
 
      <br /><br />

      <asp:label id="Message" runat="server"/>
             
   </form>
          
</body>
</html>


<%@ Page Language="C#" AutoEventWireup="True" %>

<!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 runat="server">
    <title> CheckBoxList TextAlign Example </title>
<script runat="server">

      void Check_Clicked(Object sender, EventArgs e) 
      {

         Message.Text = "Selected Item(s):<br /><br />";

         // Iterate through the Items collection of the CheckBoxList 
         // control and display the selected items.
         for (int i=0; i<checkboxlist1.Items.Count; i++)
         {

            if (checkboxlist1.Items[i].Selected)
            {

               Message.Text += checkboxlist1.Items[i].Text + "<br />";

            }

         }

      }

      void Index_Change(Object sender, EventArgs e) 
      {

         // Set the alignment of the caption (right or left) in relation
         // to the check boxes.
         // Note that the TextAlign enumeration starts at 1 instead of 0, 
         // so the value of the SelectedIndex property cannot be used
         // directly for casting into a TextAlign enumeration.

         // In this example, the values of the TextAlign enumeration are 
         // stored in the Value property of each ListItem in the 
         // DropDownList control named List. To determine the enumeration  
         // value, retrieve the value of the Value property, convert it to
         // an Int32, and then cast it to a TextAlign enumeration.
         int EnumValue = Convert.ToInt32(List.SelectedItem.Value);

         checkboxlist1.TextAlign = (TextAlign)EnumValue;

      }

   </script>
 
</head>

<body>
   
   <form id="form1" runat="server">
 
      <h3> CheckBoxList TextAlign Example </h3>

      Select items from the CheckBoxList.

      <br /><br />

      <asp:CheckBoxList id="checkboxlist1" 
           AutoPostBack="True"
           CellPadding="5"
           CellSpacing="5"
           RepeatColumns="2"
           RepeatDirection="Vertical"
           RepeatLayout="Table"
           TextAlign="Right"
           OnSelectedIndexChanged="Check_Clicked"
           runat="server">
 
         <asp:ListItem>Item 1</asp:ListItem>
         <asp:ListItem>Item 2</asp:ListItem>
         <asp:ListItem>Item 3</asp:ListItem>
         <asp:ListItem>Item 4</asp:ListItem>
         <asp:ListItem>Item 5</asp:ListItem>
         <asp:ListItem>Item 6</asp:ListItem>
 
      </asp:CheckBoxList>
 
      <br /><br />

      <asp:label id="Message" runat="server"/>

      <hr />

      Select whether to display the captions to the right or the left 
      of the check boxes.

      <table cellpadding="5">

         <tr>

            <td>

               TextAlign:

            </td>

         </tr>

         <tr>

            <td>

               <asp:DropDownList id="List"
                    AutoPostBack="True"
                    OnSelectedIndexChanged="Index_Change"
                    runat="server">

                  <asp:ListItem Value="1">Left</asp:ListItem>
                  <asp:ListItem Value="2" Selected="True">Right</asp:ListItem>

               </asp:DropDownList>

            </td>

         </tr>

      </table>
             
   </form>
          
</body>

</html>


<%@ Page Language="VB" AutoEventWireup="True" %>

<!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 runat="server">
    <title> CheckBoxList TextAlign Example </title>
<script runat="server">

      Sub Check_Clicked(sender as Object, e As EventArgs) 

         Message.Text = "Selected Item(s):<br /><br />"

         ' Iterate through the Items collection of the CheckBoxList 
         ' control and display the selected items.
         Dim i As Integer

         For i=0 To checkboxlist1.Items.Count - 1

            If checkboxlist1.Items(i).Selected Then

               Message.Text &= checkboxlist1.Items(i).Text & "<br />"

            End If

         Next

      End Sub

      Sub Index_Change(sender As Object, e As EventArgs)

         ' Set the alignment of the caption (right or left) in relation
         ' to the check boxes.
         ' Note that the TextAlign enumeration starts at 1 instead of 0, 
         ' so the value of the SelectedIndex property cannot be used
         ' directly for casting into a TextAlign enumeration.

         ' In this example, the values of the TextAlign enumeration are 
         ' stored in the Value property of each ListItem in the 
         ' DropDownList control named List. To determine the enumeration  
         ' value, retrieve the value of the Value property, convert it to
         ' an Int32, and then cast it to a TextAlign enumeration.
         Dim EnumValue As Integer = Convert.ToInt32(List.SelectedItem.Value)

         checkboxlist1.TextAlign = CType(EnumValue, TextAlign)

      End Sub

   </script>
 
</head>

<body>
   
   <form id="form1" runat="server">
 
      <h3> CheckBoxList TextAlign Example </h3>

      Select items from the CheckBoxList.

      <br /><br />

      <asp:CheckBoxList id="checkboxlist1" 
           AutoPostBack="True"
           CellPadding="5"
           CellSpacing="5"
           RepeatColumns="2"
           RepeatDirection="Vertical"
           RepeatLayout="Table"
           TextAlign="Right"
           OnSelectedIndexChanged="Check_Clicked"
           runat="server">
 
         <asp:ListItem>Item 1</asp:ListItem>
         <asp:ListItem>Item 2</asp:ListItem>
         <asp:ListItem>Item 3</asp:ListItem>
         <asp:ListItem>Item 4</asp:ListItem>
         <asp:ListItem>Item 5</asp:ListItem>
         <asp:ListItem>Item 6</asp:ListItem>
 
      </asp:CheckBoxList>
 
      <br /><br />

      <asp:label id="Message" runat="server"/>

      <hr />

      Select whether to display the captions to the right or the left 
      of the check boxes.

      <table cellpadding="5">

         <tr>

            <td>

               TextAlign:

            </td>

         </tr>

         <tr>

            <td>

               <asp:DropDownList id="List"
                    AutoPostBack="True"
                    OnSelectedIndexChanged="Index_Change"
                    runat="server">

                  <asp:ListItem Value="1">Left</asp:ListItem>
                  <asp:ListItem Value="2" Selected="True">Right</asp:ListItem>

               </asp:DropDownList>

            </td>

         </tr>

      </table>
             
   </form>
          
</body>

</html>

Kommentarer

Använd den här egenskapen för att ange om texten som är associerad med kryssrutorna ska visas till vänster eller höger i kryssrutan. Om den här egenskapen är inställd TextAlign.Rightpå visas texten till höger om kryssrutan. Om den här egenskapen är inställd TextAlign.Leftpå visas texten till vänster om kryssrutan.

Gäller för

Se även

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