excel reading using oledb rep

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C#

ASP.NET

OleDb

Hello
I Have A problem that im reading an Excel file using oledb and Convert that into DataTable so whenever i fetch data from Excel that replace Some Special characters with like 'Ó' replaces with '?' But i want that characters remains as it is

my Code for Reading Data from Excel file

private DataSet getData(string Path)
        {
            string fileName = Path;
            string connectionString = @"Provider=Microsoft.ACE.OLEDB.14.0;Data Source="+fileName+";ExtendedProperties="+"Excel 12.0;HDR=YES;";
            OleDbConnection con = new System.Data.OleDb.OleDbConnection(connectionString);
            con.Open();
            OleDbDataAdapter cmd = new System.Data.OleDb.OleDbDataAdapter("select * from [SHEET1$]", con);
            DataSet excelDataSet = new DataSet();
            cmd.Fill(excelDataSet);
            
            con.Close();
            return  excelDataSet;
        }

------------------------------
*Input -> RamÓn y Cajal,

*Actual Output -> Ram?n y Cajal,

*Expected Output -> RamÓn y Cajal,



I think its because of Character encoding Format .
Please help me