Import & Export Excel

sConnectionString = "Provider=Microsoft.ACE.OLEDB.12.0;" +
                    "Data Source=" + fileName + ";" +
                    "Extended Properties='Excel 12.0;HDR=YES;'";

格式不兼容，导出为Office Open XML

sConnectionString = "Provider=Microsoft.ACE.OLEDB.12.0;" +
                    "Data Source=" + fileName + ";" +
                    "Extended Properties='Excel 12.0 Xml;HDR=YES;'";

Microsoft.ACE.OLEDB.12.0下载地址：http://www.microsoft.com/downloads/zh-cn/details.aspx?displaylang=zh-cn&FamilyID=7554f536-8c28-4598-9b72-ef94e038c891

03版：

sConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;" +

                    "Data Source=" + fileName + ";" +

                    "Extended Properties=Excel 8.0;";

saveFileDialog.Filter = "Excel2003 files (*.xls)|*.xls|Excel2007 (*.xlsx)|*.xlsx|Excel2007二进制表 (*.xlsb)|*.xlsb";
...

if (fileName.EndsWith("xls"))
{
    sConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;" +

        "Data Source=" + fileName + ";" +

        "Extended Properties=Excel 8.0;";
}
else if (fileName.EndsWith("xlsx"))
{
    sConnectionString = "Provider=Microsoft.ACE.OLEDB.12.0;" +
        "Data Source=" + fileName + ";" +
        "Extended Properties='Excel 12.0 Xml;HDR=YES;'";
}
else if (fileName.EndsWith("xlsb"))
{
    sConnectionString = "Provider=Microsoft.ACE.OLEDB.12.0;" +
        "Data Source=" + fileName + ";" +
        "Extended Properties='Excel 12.0;HDR=YES;'";
}

源自：http://www.cnblogs.com/TrueElement/archive/2012/02/17/2355923.html .csharpcode, .csharpcode pre { font-size: small; color: black; font-family: consolas, “Courier New”, courier, monospace; background-color: #ffffff; /*white-space: pre;*/ } .csharpcode pre { margin: 0em; } .csharpcode .rem { color: #008000; } .csharpcode .kwrd { color: #0000ff; } .csharpcode .str { color: #006080; } .csharpcode .op { color: #0000c0; } .csharpcode .preproc { color: #cc6633; } .csharpcode .asp { background-color: #ffff00; } .csharpcode .html { color: #800000; } .csharpcode .attr { color: #ff0000; } .csharpcode .alt { background-color: #f4f4f4; width: 100%; margin: 0em; } .csharpcode .lnum { color: #606060; }