BaseDataList.HorizontalAlign 屬性
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
取得或設定資料清單控制項在它的容器內的水平對齊。
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
屬性值
其中一個 HorizontalAlign 值。 預設值是 NotSet
。
- 屬性
範例
下列程式碼範例示範如何使用 HorizontalAlign 屬性來指定資料繫結控制項的水準對齊方式。
<%@ 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>
備註
HorizontalAlign使用 屬性可指定其容器內資料清單控制項的水準對齊方式。 這個屬性是使用其中 HorizontalAlign 一個列舉值來設定。 下表列出可能的值。
值 | 描述 |
---|---|
NotSet |
水平對齊未設定。 |
Left |
資料清單控制項在其容器內靠左對齊。 |
Center |
資料清單控制項會置中于其容器內。 |
Right |
資料清單控制項在其容器內靠右對齊。 |