ASP.Net/ADO.net Database/DataGrid Page

Материал из .Net Framework эксперт
Перейти к: навигация, поиск

asp:datagrid page index

<%@ 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 DSPageData As New DataSet
        Dim DBConn as OleDbConnection
        Dim DBCommand As OleDbDataAdapter
        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 Page_Change(sender As Object, e As DataGridPageChangedEventArgs)
    dgEmps.CurrentPageIndex = e.NewPageIndex
    Dim DSPageData As New DataSet
    Dim DBConn as OleDbConnection
    Dim DBCommand As OleDbDataAdapter
    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 Sub
</SCRIPT>
<HTML>
<HEAD>
<TITLE>Displaying Pages of Data through a DataGrid Control</TITLE>
</HEAD>
<Body LEFTMARGIN="40">
<form runat="server">
<BR><BR>
<asp:datagrid
    id="dgEmps" 
    pagerstyle-backcolor="White"
    pagerstyle-forecolor="DarkGreen"
    pagerstyle-font-bold="True"
    allowpaging="True"
    pagesize=3
    onpageindexchanged="Page_Change"
    autogeneratecolumns="true"
    runat="server" 
>
</asp:datagrid>
</form>
</BODY>
</HTML>


<A href="http://www.nfex.ru/Code/ASPDownload/EmployeeDatabase.zip">EmployeeDatabase.zip( 10 k)</a>

Источник — «http://nfex.ru/index.php?title=ASP.Net/ADO.net_Database/DataGrid_Page&oldid=1620»