variable is not declared it may be inaccessible due to its protection level

Question

My VB skills are not the best  and this problem has had me stumped for a few days   In the list of controls shown in Visual Studio that are not defined in the code behind  I can  mouseover  them and the tooltip text pops right up         Similar questions   This one had no solution -   39 var name  39 is not declared  It may be inaccessible due to its protection level   39  in debug mode  This one said the solution was in the web config  but I don t understand where how - BC30451    39 MailValidation  39  is not declared  It may be inaccessible due to its protection level  This one was a misspelled word - vb net error  inaccessible due to its protection level  Update - Here is another problem that might be a clue to what my problems are   In my Tools vb module  I have a class to access LDAP   The namespace for the tools class is given in the login aspx vb code  yet login code does not recognize the tools class

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I have suffered a similar problem  with a Sub not accessible in runtime  but absolutely legal in editor   It was solved by changing destination Framework from 4 5 1 to 4 5   It seems that my IIS only had 4 5 version

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Pay close attention to the first part of the error   variable is not declared   Ignore the second part   it may be inaccessible due to its protection level    It s a red herring     Some questions     the answers might be in that image you posted  but I can t seem to make it larger and my eyes don t read that small of print    Any chance you can post the code in a way these older eyes can read it   Makes it hard to know the total picture   In particular I am suspicious of your Page directives    We know that 1stReasonTypes is a listbox  but for some reason it seems like we don t know WHICH listbox   This is why I want to see your page directives    But also  how are you calling the private method FormRefresh     It s not an event handler  which makes me wonder if you are trying to reference a listbox in a form that is not handled properly in this code behind     You may need to find the control 1stReasonTypes   Try maybe putting your listbox inside something like    lt div id  MyFormDiv  runat  server  gt       lt  div gt    then in FormRefresh    do a     Dim 1stReasonTypesNew As listbox   MyFormDiv FindControl  1stReasonTypes     Or use an existing control  object  or page instead of a div   More info on FindControl  http   msdn microsoft com en-us library 486wc64h v vs 110  aspx  But no matter how you slice it  there is something funky going here such that 1stReasonTypes doesn t know which exact listbox it s supposed to be

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I got this error briefly after renaming the App Code folder   Actually  I accidentally dragged the whole folder to the App data folder   VS 2015 didn t complain it was difficult to spot what had gone wrong

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I had a similar issue to this   I solved it by making all the projects within my solution target the same  NET Framework 4 Client Profile and then rebuilding the entire solution

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If I remember correctly  this is the default property for controls    Can you try by going into Design-View for the admin reasons that contains the specified Control  then changing the control s Modifiers property to Public or Internal

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This error occurred for me when I mistakenly added a comment following a line continuation character in VB Net  I removed the comment and the problem went away

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I have found that you have to comment out the namespace wrapping the the class at time when moving between version of Visual Studio     Namespace FormsAuth   End Namespace  and at other times  I have to uncomment the namespace   This happened to me several times when other developers edited the same solution using a different version of VS and or I moved  copied  the solution to another location

[asp.net] variable is not declared it may be inaccessible due to its protection level

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