When reading excel string value, it ignores decimal values ​​like 45.4, it reads as only 45

when reading excel row value it ignores decimal values ​​like 45.4 which only counts 45. this is my code

System.Data.OleDb.OleDbConnection conn = new System.Data.OleDb.OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0; Data Source = " + strFileName + "; Extended Properties = \"Excel 8.0;HDR=NO;IMEX=2\";"); /*for office 2007 connection*/
conn.Open();

string strQuery = "SELECT * FROM [" + Table + "]";
System.Data.OleDb.OleDbDataAdapter adapter = new System.Data.OleDb.OleDbDataAdapter(strQuery, conn);
System.Data.DataTable ExcelToDataTable = new System.Data.DataTable();
adapter.Fill(ExcelToDataTable);

      

        
        
        
      

    

I want to read like 45.4 not only 45. please help?