Problem in mapping dropdown list  values with the queries

hi,
I am building a simple applicaittion of currency conversion.
The scenario :
I have a input form with a dropdown list and a input field to enter the amount
I have created the drop down list with the respective details
Value   Desc
1          dollarToeuro
2          euroTodollar 
when the user selects the first option in the drop down list and then enters the value and gives a submit -> the conversion takes place
but evrytime i select the second option --> the application hangs..
i have given a guard condition in the submit action for each if the query as LIKE(@option,"1") OR LIKE(@option,"2") for the respective queries.
Please can someone tell me where i am going wrong???
Regards,
Vaishali

Hi ,
what is the need of ur gaurd condition there?
and try to run the model without that guard condition.
Regards,
Govindu

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