asp.net datagrid控件排序表达式。
代码：
<%@ Page Language=VB Debug=true %>
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.OLEDB" %>
<script runat=server>
Sub Page_Load(ByVal Sender as Object, ByVal E as EventArgs)
If Not IsPostBack Then
Dim DBConn as OleDbConnection
Dim DBCommand As OleDbDataAdapter
Dim DSPageData as New DataSet
DBConn = New OleDbConnection( _
"PROVIDER=Microsoft.Jet.OLEDB.4.0;" _
& "DATA SOURCE=" _
& Server.MapPath("EmployeeDatabase.mdb;"))
DBCommand = New OleDbDataAdapter _
("Select * " _
& "From Employee " _
& "Order By LastName, FirstName", DBConn)
DBCommand.Fill(DSPageData, _
"Employee")
dgEmps.DataSource = _
DSPageData.Tables("Employee").DefaultView
dgEmps.DataBind()
End If
End Sub
Sub Sort_Grid(ByVal Sender as Object, _
ByVal E as DataGridSortCommandEventArgs)
Dim DBConn as OleDbConnection
Dim DBCommand As OleDbDataAdapter
Dim DSPageData as New DataSet
DBConn = New OleDbConnection( _
"PROVIDER=Microsoft.Jet.OLEDB.4.0;" _
& "DATA SOURCE=" _
& Server.MapPath("EmployeeDatabase.mdb;"))
DBCommand = New OleDbDataAdapter _
("Select * " _
& "From Employee Order By " _
& E.SortExpression.ToString() , DBConn)
DBCommand.Fill(DSPageData, _
"Employee")
dgEmps.DataSource = _
DSPageData.Tables("Employee").DefaultView
dgEmps.DataBind()
End Sub
</SCRIPT>
<HTML>
<HEAD>
<TITLE>DataGrid Control控件排序-www.jb200.com</TITLE>
</HEAD>
<Body LEFTMARGIN="40">
<form runat="server">
<BR><BR>
<asp:datagrid
id="dgEmps"
allowsorting="True"
onsortcommand="Sort_Grid"
autogeneratecolumns="false"
runat="server"
>
<columns>
<asp:boundcolumn
headertext="Last Name"
datafield="LastName"
sortexpression="LastName"
/>
<asp:boundcolumn
headertext="First Name"
datafield="FirstName"
sortexpression="FirstName"
/>
<asp:boundcolumn
headertext="ID"
datafield="ID"
DataFormatString="{0:c}"
sortexpression="ID"
/>
</columns>
</asp:datagrid>
</form>
</BODY>
</HTML>