applying lot of if-else condition to validation the page?

Question

 

Hi

 

      I have page with lot of validation to enter the values in the text box.

1.I used to calculated the SQL count query to avoid insert again for the same date

2.while entering the values am allowing the users to fill for future date records only 

3. hiding the remaining text boxes.

due to this all conditions my page size in cs code is enlarge,while running in online its showing error.

 

please help me to clear the error.

 

 Error :

 

An Unhandled Microsoft .Net framework exception occured in w3wp.exe[2104]

 the Just-In-Time debugger was launched without necessary security permission.to debug this process,the Just-In-Time debugger must be run as an Administrator.