ASP.NET Tutorial/ADO.net Database/Excel — различия между версиями

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Версия 15:30, 26 мая 2010

Create connection to Excel data source (C#)

<%@ Page Language="C#" %>
<%@ import Namespace="System.Data" %>
<%@ import Namespace="System.Data.OleDb" %>
<script runat="server">
    void Page_Load(object sender, EventArgs e) {
    
        string ConnectionString = @"Provider=Microsoft.Jet.OLEDB.4.0; Data Source=D:\spreadsheet.xls; Extended Properties=""Excel 8.0;HDR=Yes"";";
        string CommandText = "select * from [Book$]";
    
        OleDbConnection myConnection = new OleDbConnection(ConnectionString);
        OleDbCommand myCommand = new OleDbCommand(CommandText, myConnection);
    
        myConnection.Open();
    
        DataGrid1.DataSource = myCommand.ExecuteReader(CommandBehavior.CloseConnection);
        DataGrid1.DataBind();
    
        myConnection.Close();
    }
</script>
<html>
<head>
</head>
<body>
    <form runat="server">
        <asp:datagrid id="DataGrid1" runat="server" EnableViewState="False" ForeColor="Black" BackColor="White" CellPadding="3" GridLines="None" CellSpacing="1">
            <HeaderStyle font-bold="True" forecolor="white" backcolor="#4A3C8C"></HeaderStyle>
            <ItemStyle backcolor="#DEDFDE"></ItemStyle>
        </asp:datagrid>
    </form>
</body>
</html>


Use OleDbCommand to retrieve data from Excel data source

<%@ Page Language="C#" %>
<%@ import Namespace="System.Data" %>
<%@ import Namespace="System.Data.OleDb" %>
<script runat="server">
    void Page_Load(object sender, EventArgs e) {
    
        string ConnectionString = @"Provider=Microsoft.Jet.OLEDB.4.0; Data Source=D:\spreadsheet.xls; Extended Properties=""Excel 8.0;HDR=Yes"";";
        string CommandText = "select * from [Book$]";
    
        OleDbConnection myConnection = new OleDbConnection(ConnectionString);
        OleDbCommand myCommand = new OleDbCommand(CommandText, myConnection);
    
        myConnection.Open();
    
        DataGrid1.DataSource = myCommand.ExecuteReader(CommandBehavior.CloseConnection);
        DataGrid1.DataBind();
    
        myConnection.Close();
    }
</script>
<html>
<head>
</head>
<body>
    <form runat="server">
        <asp:datagrid id="DataGrid1" runat="server" EnableViewState="False" ForeColor="Black" BackColor="White" CellPadding="3" GridLines="None" CellSpacing="1">
            <HeaderStyle font-bold="True" forecolor="white" backcolor="#4A3C8C"></HeaderStyle>
            <ItemStyle backcolor="#DEDFDE"></ItemStyle>
        </asp:datagrid>
    </form>
</body>
</html>
Источник — «http://nfex.ru/index.php?title=ASP.NET_Tutorial/ADO.net_Database/Excel&oldid=2697»