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        public DataSet ExcelDataSource( string filepath , string sheetname )
        ...{
            string strConn;
            strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + filepath + ";Extended Properties=Excel 8.0;";
            OleDbConnection conn = new OleDbConnection(strConn);
            OleDbDataAdapter oada = new OleDbDataAdapter ( "select * from [" + sheetname + "$]", strConn );
            DataSet ds = new DataSet ();
            oada.Fill ( ds );
            return ds ;
        }
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public ArrayList ExcelSheetName ( string filepath )
...{
    ArrayList al = new ArrayList ();
    string strConn;
    strConn = "Provider=Microsoft.Jet.


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