BaseDataList.HorizontalAlign Proprietà

Definizione

Ottiene o imposta l’allineamento orizzontale di un controllo di elenco dei dati all'interno del relativo contenitore.Gets or sets the horizontal alignment of a data listing control within its container.

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

Valore della proprietà

HorizontalAlign

Uno dei valori di HorizontalAlign.One of the HorizontalAlign values. Il valore predefinito è NotSet.The default value is NotSet.

Attributi

Esempio

Nell'esempio di codice riportato di seguito viene illustrato come utilizzare la HorizontalAlign proprietà per specificare l'allineamento orizzontale del controllo associato a dati.The following code example demonstrates how to use the HorizontalAlign property to specify the horizontal alignment of the data-bound control.


<%@ Page Language="C#" AutoEventWireup="True" %>
<%@ Import Namespace="System.Data" %>
 
<!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" >
   <script runat="server">
 
      ICollection CreateDataSource() 
      {
      
         // Create sample data for the DataGrid control.
         DataTable dt = new DataTable();
         DataRow dr;
 
         // Define the columns of the table.
         dt.Columns.Add(new DataColumn("IntegerValue", typeof(Int32)));
         dt.Columns.Add(new DataColumn("StringValue", typeof(string)));
         dt.Columns.Add(new DataColumn("CurrencyValue", typeof(double)));
 
         // Populate the table with sample values.
         for (int i = 0; i < 9; i++) 
         {
            dr = dt.NewRow();
 
            dr[0] = i;
            dr[1] = "Item " + i.ToString();
            dr[2] = 1.23 * (i + 1);
 
            dt.Rows.Add(dr);
         }
 
         DataView dv = new DataView(dt);
         return dv;
      }
 
      void Page_Load(Object sender, EventArgs e) 
      {
 
         // Load sample data only once when the page is first loaded.
         if (!IsPostBack) 
         {
            ItemsGrid.DataSource = CreateDataSource();
            ItemsGrid.DataBind();
         }

      }

      void Index_Change(Object sender, EventArgs e) 
      {

         ItemsGrid.HorizontalAlign = (HorizontalAlign)HorizontalAlignList.SelectedIndex;

      }
 
   </script>
 
<head runat="server">
    <title>BaseDataList HorizontalAlign Example</title>
</head>
<body>
 
   <form id="form1" runat="server">
 
      <h3>BaseDataList HorizontalAlign Example</h3>
 
      <asp:DataGrid id="ItemsGrid"
           BorderColor="black"
           BorderWidth="1"
           CellPadding="3"
           GridLines="Both"
           HorizontalAlign="NotSet"
           AutoGenerateColumns="true"
           runat="server">

         <HeaderStyle BackColor="#00aaaa">
         </HeaderStyle> 
 
      </asp:DataGrid>

      <br />
      <br />

     <h4>Select the horizontal alignment style:</h4>

           <table cellpadding="5">

        <tr>

           <td>

              Horizontal alignment style:

           </td>

        </tr>

        <tr>

           <td>

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

                 <asp:ListItem Value="0" Selected="True">NotSet</asp:ListItem>
                 <asp:ListItem Value="1">Left</asp:ListItem>
                 <asp:ListItem Value="2">Center</asp:ListItem>
                 <asp:ListItem Value="3">Right</asp:ListItem>

              </asp:DropDownList>

           </td>

        </tr>

     </table>

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


<%@ Page Language="VB" AutoEventWireup="True" %>
<%@ Import Namespace="System.Data" %>
 
<!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" >
   <script runat="server">
 
      Function CreateDataSource() As ICollection 
      
         ' Create sample data for the DataGrid control.
         Dim dt As DataTable = New DataTable()
         Dim dr As DataRow
 
         ' Define the columns of the table.
         dt.Columns.Add(New DataColumn("IntegerValue", GetType(Int32)))
         dt.Columns.Add(New DataColumn("StringValue", GetType(string)))
         dt.Columns.Add(New DataColumn("CurrencyValue", GetType(double)))
 
         ' Populate the table with sample values.
         Dim i As Integer

         For i = 0 to 8 
        
            dr = dt.NewRow()
 
            dr(0) = i
            dr(1) = "Item " & i.ToString()
            dr(2) = 1.23 * (i + 1)
 
            dt.Rows.Add(dr)

         Next i
 
         Dim dv As DataView = New DataView(dt)
         Return dv

      End Function
 
      Sub Page_Load(sender As Object, e As EventArgs) 
 
         ' Load sample data only once when the page is first loaded.
         If Not IsPostBack Then 
  
            ItemsGrid.DataSource = CreateDataSource()
            ItemsGrid.DataBind()

         End If

      End Sub

      Sub Index_Change(sender As Object, e As EventArgs) 

         ItemsGrid.HorizontalAlign = CType(HorizontalAlignList.SelectedIndex, HorizontalAlign)

      End Sub
 
   </script>
 
<head runat="server">
    <title>BaseDataList HorizontalAlign Example</title>
</head>
<body>
 
   <form id="form1" runat="server">
 
      <h3>BaseDataList HorizontalAlign Example</h3>
 
      <asp:DataGrid id="ItemsGrid"
           BorderColor="black"
           BorderWidth="1"
           CellPadding="3"
           GridLines="Both"
           HorizontalAlign="NotSet"
           AutoGenerateColumns="true"
           runat="server">

         <HeaderStyle BackColor="#00aaaa">
         </HeaderStyle> 
 
      </asp:DataGrid>

      <br />
      <br />
     <h4>Select the horizontal alignment style:</h4>

           <table cellpadding="5">

        <tr>

           <td>

              Horizontal alignment style:

           </td>

        </tr>

        <tr>

           <td>

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

                 <asp:ListItem Value="0" Selected="True">NotSet</asp:ListItem>
                 <asp:ListItem Value="1">Left</asp:ListItem>
                 <asp:ListItem Value="2">Center</asp:ListItem>
                 <asp:ListItem Value="3">Right</asp:ListItem>

              </asp:DropDownList>

           </td>

        </tr>

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

Commenti

Utilizzare la HorizontalAlign proprietà per specificare l'allineamento orizzontale di un controllo elenco dati all'interno del relativo contenitore.Use the HorizontalAlign property to specify the horizontal alignment of a data listing control within its container. Questa proprietà è impostata su uno dei HorizontalAlign valori di enumerazione.This property is set with one of the HorizontalAlign enumeration values. Nella tabella seguente sono elencati i valori possibili.The following table lists the possible values.

ValoreValue DescrizioneDescription
NotSet L'allineamento orizzontale non è impostato.The horizontal alignment is not set.
Left Il controllo elenco dati è allineato a sinistra all'interno del relativo contenitore.The data listing control is left-aligned within its container.
Center Il controllo elenco dati è centrato all'interno del relativo contenitore.The data listing control is centered within its container.
Right Il controllo elenco dati è allineato a destra all'interno del relativo contenitore.The data listing control is right-aligned within its container.

Si applica a

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