Error While Reading Excel File

public static DataTable GetExcelData(string strFile)
{
  DataTable dttblExcelData = new DataTable();
  try
  {
    string strConn = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + strFile+ ";" + "Extended Properties='Excel 8.0;IMEX=1'";

    OleDbDataAdapter myCommand = new OleDbDataAdapter("SELECT * FROM [" + strFile+ "]", strConn);

    myCommand.Fill(dttblExcelData);
  }
  catch (Exception e)
  {
    string  errMsg = e.Message.ToString();
  }
  return dttblExcelData;
}