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C# codeprivate DataSet GetExcelColInfo(string path)
    {
        DataSet ds=new DataSet();
        FileInfo fileInfo=new FileInfo(path);if (fileInfo.Exists)
        {string strConn=@"Provider=Microsoft.Jet.OLEDB.4.0;Data Source="+ path+";Extended Properties='Excel 8.0;HDR=YES;IMEX=1'";// HDR=YES Ϊ±íµÄµÚÒ»Ðв»×÷ΪÊý¾Ý¶ÁÈë            OleDbConnection conn=new OleDbConnection(strConn);try
            {
                conn.Open();string sql="select * from [Sheet1$]";
                OleDbDataAdapter da=new OleDbDataAdapter(sql, conn);
                da.Fill(ds);
            }catch (Exception ex) {throw ex; }finally { conn.Close(); }
        }return ds;
    }
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