Import & Export Excel

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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

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