SSIS excel datatype issue

hi,
I have 2 questions:
when I am taking the data from Excel to SQL using SSIS
1) In my Excel one column have first 113 rows as blank and then it has numeric value this column is giving an error potential loss of data. So, I make the fist row as 0 and it worked fine. But, the data is entered
by the user in the future .. how can I resolve this issue with out entering 0 in the first row of the column .
2) In the same excel there are other 2 columns only fist 34 rows are blank .. they are working fine. how many rows will SSIS check to decide the column data type.
please advice
thanks

1) --> It happens because SSIS tries to identify the data type by just looking at first 8 rows and it finds that if it is blank then it assign some data type with less length and then in reality you have numbers and hence throws error.
Set IMEX = 1 in connection string.
Set TypeGuessRows setting to 0 from RegEdit.
HKEY_LOCAL_MACHINE -> SOFTWARE -> Wow6432Node -> Microsoft -> Jet -> 4.0 ->Engines -> Excel -> TypeGuessRows has the value 0.
2) --> By default it checks 8 rows. You may check above setting from Registry Editor.
Please refer:
http://blog.concentra.co.uk/2013/05/15/why-ssis-always-gets-excel-data-types-wrong-and-how-to-fix-it/
http://blogs.lessthandot.com/index.php/datamgmt/dbprogramming/mssqlserver/what-s-the-deal-with/
Cheers,
Vaibhav Chaudhari
[MCP],
[MCTS], [MCSA-SQL2012]

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49                 439879
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asd             aesdf
asd             asdf
asd             asdf
asdf             asdf
sadf             asdf
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