ListView.SortDirection Properti
Definisi
Penting
Beberapa informasi terkait produk prarilis yang dapat diubah secara signifikan sebelum dirilis. Microsoft tidak memberikan jaminan, tersirat maupun tersurat, sehubungan dengan informasi yang diberikan di sini.
Mendapatkan arah pengurutan bidang atau bidang yang sedang diurutkan.
public:
virtual property System::Web::UI::WebControls::SortDirection SortDirection { System::Web::UI::WebControls::SortDirection get(); };[System.ComponentModel.Browsable(false)]
[System.Web.UI.PersistenceMode(System.Web.UI.PersistenceMode.InnerProperty)]
public virtual System.Web.UI.WebControls.SortDirection SortDirection { get; }[<System.ComponentModel.Browsable(false)>]
[<System.Web.UI.PersistenceMode(System.Web.UI.PersistenceMode.InnerProperty)>]
member this.SortDirection : System.Web.UI.WebControls.SortDirectionPublic Overridable ReadOnly Property SortDirection As SortDirectionNilai Properti
Salah SortDirection satu nilai. Default adalah SortDirection.Ascending.
- Atribut
Contoh
Contoh berikut menunjukkan cara menggunakan SortDirection properti untuk menentukan arah ListView kontrol secara terprogram.
<%@ 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">
protected void ContactsListView_Sorted(object sender, EventArgs e)
{
SortExpressionLabel.Text = "Sort Column = " +
ContactsListView.SortExpression;
SortDirectionLabel.Text = "Sort Order = " +
ContactsListView.SortDirection.ToString();
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
<title>ListView SortDirection and SortExpression Example</title>
<style type="text/css">
body { font: 10pt Trebuchet MS, Arial, Tahoma; }
td { border: 1px solid #E6E6FA; }
.header { background: #B0C4DE; }
.alternatingItem { background: #edf5fd; }
</style>
</head>
<body>
<form id="form1" runat="server">
<h3>SortDirection and SortExpression Example</h3>
<asp:ListView ID="ContactsListView"
DataSourceID="ContactsDataSource"
OnSorted="ContactsListView_Sorted"
runat="server">
<LayoutTemplate>
<table width="640px" runat="server" id="tblContacts">
<tr class="header" align="center" runat="server">
<td>
<asp:LinkButton runat="server" ID="SortByFirstNameButton"
CommandName="Sort" Text="First Name"
CommandArgument="FirstName"/>
</td>
<td>
<asp:LinkButton runat="server" ID="SortByLastNameButton"
CommandName="Sort" Text="Last Name"
CommandArgument="LastName" />
</td>
<td>
<asp:LinkButton runat="server" ID="SortByEmailButton"
CommandName="Sort" Text="Email Address"
CommandArgument="EmailAddress" />
</td>
</tr>
<tr runat="server" id="itemPlaceholder" />
</table>
<asp:DataPager runat="server" ID="PeopleDataPager" PageSize="12">
<Fields>
<asp:NextPreviousPagerField
ShowFirstPageButton="true"
ShowLastPageButton="true" />
</Fields>
</asp:DataPager>
</LayoutTemplate>
<ItemTemplate>
<tr runat="server">
<td>
<asp:Label ID="FirstNameLabel" runat="server" Text='<%#Eval("FirstName") %>' />
</td>
<td>
<asp:Label ID="LastNameLabel" runat="server" Text='<%#Eval("LastName") %>' />
</td>
<td>
<asp:Label ID="EmailLabel" runat="server" Text='<%#Eval("EmailAddress") %>' />
</td>
</tr>
</ItemTemplate>
<AlternatingItemTemplate>
<tr class="alternatingItem" runat="server">
<td>
<asp:Label ID="FirstNameLabel" runat="server" Text='<%#Eval("FirstName") %>' />
</td>
<td>
<asp:Label ID="LastNameLabel" runat="server" Text='<%#Eval("LastName") %>' />
</td>
<td>
<asp:Label ID="EmailLabel" runat="server" Text='<%#Eval("EmailAddress") %>' />
</td>
</tr>
</AlternatingItemTemplate>
</asp:ListView> <br /><br />
<asp:Label ID="SortExpressionLabel"
ForeColor="SteelBlue"
runat="server"/> <br />
<asp:Label ID="SortDirectionLabel"
ForeColor="SteelBlue"
runat="server"/>
<!-- This example uses Microsoft SQL Server and connects -->
<!-- to the AdventureWorks sample database. Use an ASP.NET -->
<!-- expression to retrieve the connection string value -->
<!-- from the Web.config file. -->
<asp:SqlDataSource ID="ContactsDataSource" runat="server"
ConnectionString="<%$ ConnectionStrings:AdventureWorks_DataConnectionString %>"
SelectCommand="SELECT [ContactID], [FirstName], [LastName], [EmailAddress]
FROM Person.Contact" >
</asp:SqlDataSource>
</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">
Protected Sub ContactsListView_Sorted(ByVal sender As Object, ByVal e As EventArgs)
SortExpressionLabel.Text = "Sort Column = " & ContactsListView.SortExpression
SortDirectionLabel.Text = "Sort Order = " & ContactsListView.SortDirection.ToString()
End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
<title>ListView SortDirection and SortExpression Example</title>
<style type="text/css">
body { font: 10pt Trebuchet MS, Arial, Tahoma; }
td { border: 1px solid #E6E6FA; }
.header { background: #B0C4DE; }
.alternatingItem { background: #edf5fd; }
</style>
</head>
<body>
<form id="form1" runat="server">
<h3>SortDirection and SortExpression Example</h3>
<asp:ListView ID="ContactsListView"
DataSourceID="ContactsDataSource"
OnSorted="ContactsListView_Sorted"
runat="server">
<LayoutTemplate>
<table width="640px" runat="server" id="tblContacts">
<tr class="header" align="center" runat="server">
<td>
<asp:LinkButton runat="server" ID="SortByFirstNameButton"
CommandName="Sort" Text="First Name"
CommandArgument="FirstName"/>
</td>
<td>
<asp:LinkButton runat="server" ID="SortByLastNameButton"
CommandName="Sort" Text="Last Name"
CommandArgument="LastName" />
</td>
<td>
<asp:LinkButton runat="server" ID="SortByEmailButton"
CommandName="Sort" Text="Email Address"
CommandArgument="EmailAddress" />
</td>
</tr>
<tr runat="server" id="itemPlaceholder" />
</table>
<asp:DataPager runat="server" ID="PeopleDataPager" PageSize="12">
<Fields>
<asp:NextPreviousPagerField
ShowFirstPageButton="true"
ShowLastPageButton="true" />
</Fields>
</asp:DataPager>
</LayoutTemplate>
<ItemTemplate>
<tr runat="server">
<td>
<asp:Label ID="FirstNameLabel" runat="server" Text='<%#Eval("FirstName") %>' />
</td>
<td>
<asp:Label ID="LastNameLabel" runat="server" Text='<%#Eval("LastName") %>' />
</td>
<td>
<asp:Label ID="EmailLabel" runat="server" Text='<%#Eval("EmailAddress") %>' />
</td>
</tr>
</ItemTemplate>
<AlternatingItemTemplate>
<tr class="alternatingItem" runat="server">
<td>
<asp:Label ID="FirstNameLabel" runat="server" Text='<%#Eval("FirstName") %>' />
</td>
<td>
<asp:Label ID="LastNameLabel" runat="server" Text='<%#Eval("LastName") %>' />
</td>
<td>
<asp:Label ID="EmailLabel" runat="server" Text='<%#Eval("EmailAddress") %>' />
</td>
</tr>
</AlternatingItemTemplate>
</asp:ListView> <br /><br />
<asp:Label ID="SortExpressionLabel"
ForeColor="SteelBlue"
runat="server"/> <br />
<asp:Label ID="SortDirectionLabel"
ForeColor="SteelBlue"
runat="server"/>
<!-- This example uses Microsoft SQL Server and connects -->
<!-- to the AdventureWorks sample database. Use an ASP.NET -->
<!-- expression to retrieve the connection string value -->
<!-- from the Web.config file. -->
<asp:SqlDataSource ID="ContactsDataSource" runat="server"
ConnectionString="<%$ ConnectionStrings:AdventureWorks_DataConnectionString %>"
SelectCommand="SELECT [ContactID], [FirstName], [LastName], [EmailAddress]
FROM Person.Contact" >
</asp:SqlDataSource>
</form>
</body>
</html>
Keterangan
SortDirection Gunakan properti untuk menentukan apakah bidang atau bidang yang sedang diurutkan diurutkan dalam urutan naik atau turun.
Berlaku untuk
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