SortDirection Enum
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.
Menentukan arah untuk mengurutkan daftar item.
public enum class SortDirectionpublic enum SortDirectiontype SortDirection = Public Enum SortDirection- Warisan
Bidang
| Nama | Nilai | Deskripsi |
|---|---|---|
| Ascending | 0 | Urutkan dari terkecil ke terbesar. Misalnya, dari A ke Z. |
| Descending | 1 | Urutkan dari terbesar ke terkecil. Misalnya, dari Z ke A. |
Contoh
Contoh kode berikut menunjukkan cara menggunakan SortDirection enumerasi untuk menentukan arah GridView kontrol menampilkan itemnya. Properti SortDirectionGridView kontrol diuji nilainya untuk menentukan arah pengurutan.
<%@ 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">
void AuthorsGridView_Sorted(Object sender, EventArgs e)
{
// Display the sort direction.
if(AuthorsGridView.SortDirection == SortDirection.Ascending)
{
Message.Text = "Sorting in ascending order.";
}
else
{
Message.Text = "Sorting in descending order.";
}
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>SortDirection Example</title>
</head>
<body>
<form id="form1" runat="server">
<h3>SortDirection Example</h3>
<asp:label id="Message"
forecolor="Red"
runat="server"/>
<br/><br/>
<asp:gridview id="AuthorsGridView"
datasourceid="AuthorsSqlDataSource"
allowsorting="true"
onsorted="AuthorsGridView_Sorted"
runat="server"/>
<!-- This example uses Microsoft SQL Server and connects -->
<!-- to the Pubs sample database. -->
<asp:sqldatasource id="AuthorsSqlDataSource"
selectcommand="SELECT [au_id], [au_lname], [au_fname], [address], [city], [state], [zip], [contract] FROM [authors]"
updatecommand="UPDATE authors SET au_lname=@au_lname, au_fname=@au_fname, address=@address, city=@city, state=@state, zip=@zip, contract=@contract WHERE (authors.au_id = @au_id)"
connectionstring="server=localhost;database=pubs;integrated security=SSPI"
runat="server">
</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">
Sub AuthorsGridView_Sorted(ByVal sender As Object, ByVal e As EventArgs)
' Display the sort direction.
If AuthorsGridView.SortDirection = SortDirection.Ascending Then
Message.Text = "Sorting in ascending order."
Else
Message.Text = "Sorting in descending order."
End If
End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>SortDirection Example</title>
</head>
<body>
<form id="form1" runat="server">
<h3>SortDirection Example</h3>
<asp:label id="Message"
forecolor="Red"
runat="server"/>
<br/><br/>
<asp:gridview id="AuthorsGridView"
datasourceid="AuthorsSqlDataSource"
allowsorting="true"
onsorted="AuthorsGridView_Sorted"
runat="server"/>
<!-- This example uses Microsoft SQL Server and connects -->
<!-- to the Pubs sample database. -->
<asp:sqldatasource id="AuthorsSqlDataSource"
selectcommand="SELECT [au_id], [au_lname], [au_fname], [address], [city], [state], [zip], [contract] FROM [authors]"
updatecommand="UPDATE authors SET au_lname=@au_lname, au_fname=@au_fname, address=@address, city=@city, state=@state, zip=@zip, contract=@contract WHERE (authors.au_id = @au_id)"
connectionstring="server=localhost;database=pubs;integrated security=SSPI"
runat="server">
</asp:sqldatasource>
</form>
</body>
</html>
Keterangan
Enumerasi SortDirection digunakan untuk mewakili arah di mana item diurutkan. Biasanya digunakan oleh properti (seperti SortDirection properti GridView kelas) untuk menunjukkan urutan item ditampilkan dalam kontrol.
