• C#操作xls


    public DataSet getData(string p)
            {
                //判断文件后缀
                var path = p;
                string fileSuffix = System.IO.Path.GetExtension(path);
                if (string.IsNullOrEmpty(fileSuffix))
                    return null;
                using (DataSet ds = new DataSet())
                {
                    //判断Excel文件是2003版本还是2007版本
                    string connString = "";
                    if (fileSuffix == ".xls")
                        connString = "Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source=" + path + ";" + ";Extended Properties="Excel 8.0;HDR=YES;IMEX=1"";
                    else
                        connString = "Provider=Microsoft.ACE.OLEDB.12.0;" + "Data Source=" + path + ";" + ";Extended Properties="Excel 12.0;HDR=YES;IMEX=1"";
                    //读取文件
                    string sql_select = " SELECT * FROM [Sheet1$]";
                    using (OleDbConnection conn = new OleDbConnection(connString))
                    using (OleDbDataAdapter cmd = new OleDbDataAdapter(sql_select, conn))
                    {
                        conn.Open();
                        cmd.Fill(ds);
                    }
                    if (ds == null || ds.Tables.Count <= 0) return null;
                    return ds;
                }
            }

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  • 原文地址:https://www.cnblogs.com/ganzhihui/p/10129763.html
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