I have already a projet and now I wanted to protect this exe as after 60 of days of installation it should ask password to unprtect the exe.
View 1 RepliesI am working on a large spreadsheet with Macros. It worked fine when I only had one spreadsheet that the code was pulling from. When I added an array, I get the an error on the Activesheet.unprotect stating 'unprotect method of worksheet failed'.
View 2 RepliesI'm making a login screen but i couldnt find a way to make textboxes invicebel but useable so i used labels but now the password label doesnt show password protection is there anyway i can give the label ******* pasword protection?
View 18 Repliesset password for a folder using vb.net source code
View 3 Repliesi'm trying to create a program that enables a user log into the program using a username and password, first he/she must first create an account with some vital information incase the password is forgotten so it can be retrieved
View 2 Replieshow can i put a password protection on my program
View 15 RepliesI am making an program that stores most of my text files in it. So I need a secure password protection to protect my information's. I was told that MD5 will get the job done, so I used an MD5 protection to see if it'll be good. I gave the test program to a guy I know and he manage to get my password within a minute. (I am still a bit new to VB so which encryption to use...)
View 21 RepliesI am trying to figure out a way to implement password protection on documents that a program I am working on creates. They should remain with the document regardless of where it is copied to or sent.Here is a rough sequence of events:
1. Application Opens (no document loaded).
2. User opens document with extension registered to application.(could also be # 1 if they clicked on the document directly)
3. Application Security checks document for security and prompts if necessary.
4. If prompted, user enters password.
5. Application checks password.
6. If passed, document opens, otherwise user is notified of failure.
I'm presently creating an application which uses Access2007 as the database. No problem there. But Since most use Excel for data-entry, i've created two tables in access linked to excel source file. Any change in excel will reflect in Access database and subsequently in my Application . Until now my application only reads the database and displays records in DataGridView. These records, i then export to excel along with other formatting for direct printing as a report as I have no idea how to make report. Now i want to add data-entry capability to my app using password-protection user-access. So i can directly add new record to source file. Also need to know if There's any way of eliminating Access from the picture entirely....
View 1 RepliesUsing VB.NET and SQL Server 2005.In my software I am using login page with UserName and Password. Suppose I am setting a username and password work for 20 days. After 20 days, when I try to login in software, the software should not to allow to login.Is possible to make a SQL query or VB.NET code.any one provide a sample code or query for the username and password should work for particular days?
View 4 RepliesI have a .NET winforms app that automates Excel and checks for a worksheet password. The requirements are to be able to detect
1) that the protection is turned off
2) that the password is removed (protected but there is no password)
3) that the password matches the correct password from a database
To meet the second requirement the program calls the Worksheet.Unprotect command with a null string, capturing the error. If error as expected, the 3rd check is made. If no error, then the Unprotect worked without a password ==> password was removed.
The code sample below has these checks.The application can do this fine with Office 2003. I have since had my dev machine updated to Office 2007 and it no longer works as it did. When I call the Worksheet.Unprotect, Excel prompts for the password!
I need to know how this should be accomplished in the new version of Excel or if there is a way to reference the old PIA. No matter what if I set a reference to Excel 11 it is replaced with the PIA for 12 in the GAC.
'return true if unprotect of worksheet does not generate an error
'all other errors will bubble up
'return false if specific error is "Password is invalid..."
Try
[code].....
how do i get total no of days between two days which might include leap year
right now i'm getting the no of days by using DateDiff function in vb.net. but i reckon it is not precise. cos it is not validating leapyear.
I need this for 2 different changes.ON one form i got a week calendar, the other a month calendar.Was hoping to add 2 buttons previous & next.To scroll back in time x days, or x days forward.And similar for the months, but instead of days months.Can anybody give me a exaple or a method how to get this to work?Figured it could be done with a loop, but not sure anymore.
View 2 RepliesThe function for getting the difference in days between two days is giving me a wrong answer here.What could i be doing wrong??? DateDiff(DateInterval.Day, CDate("28/1/2011"), CDate("31/1/2011"))
View 1 RepliesI just made an application using MySQL for the database. I use WAMP.Can I combine WAMP and my application installation into one packet installation ?
View 2 RepliesGet the current number of usage days, unique usage days, etc in an evaluation license using CryptoLicensing Generator.
View 1 Repliesconvert days to months and days?
Normal 0
false
false
falseEN-US
[Code]...
I have a date in the future e.g. 13/10/2008 I need to subtract the current date (today is the 28/09/2010) minus 7 days, so thats 21/09/2010 minus 13/10/2008, which would equal erm, 720 something ? But the current date won't always be 28/09/2010, obviously. I need the code for this. EDIT: When i said future I mean past :)
View 3 Repliesi have this .xml file read and display at runtime by vb.net2003. the .xml file is the database which contain various data and its not for adding more data or edited by user so i need to protect the file so that my code can read and display those data. can anyone know how to protect the file.
View 1 RepliesI would like to know if removing the following specials character would be enough to protect my program against SQL Injection :
"'/*$%()!#^&
I'm trying to create a password change form for my company's vendors. There are a couple of scenarios I could encounter doing this:
1 - User enters invalid current password
2 - New passwords do not match
3 - User's account is locked
4 - User cannot authenticate because password is expired
It's case 4 that I'm struggling with, because their is no way for me to take the password the user entered and verify it against active directory without getting an error.
I am implementing a system where the user can Reset their password if they have forgotten it.Once it is reset I want to give them the option of changing the password so that it will be something more memorable to them.The password is hashed and if i enter in the correct old password and new password the password does change.If I enter in the wrong old password and new password the password doesnt change.Is there a way to match the old password with the old password field in code behind so I can throw up an error to the user to tell them what is wrong? [code]
View 1 RepliesHow do you get a textbox being using for password entry to display the black circle that you often see in web forms, on the iphone etc etc?
I can change the PasswordChar property to an asterisk no problem and even copying and pasting symbols inserted into Word seemed to work - just couldn't find a symbol that looked like a bullet point!
Can this actually be achieved for a standalone exe, or is it something unique to web forms? Surely copying and pasting symbols from Word isn't actually the answer?
I read and write the cells from excell sheet sucessfully. now please i need a advise on the following
1. Where i save the file? at the time of project publishing it include also with the project?
2. how i check file exits or not?
3. How i pass the password if excell sheet have password and enable macro?
I'm currently working on a CRM project in vb.net. I want the program to start with a prompt that asks for a password and if the user enters the correct password then the main form loads.Im having some problems wrapping my mind around this...
View 10 RepliesI'm getting the error ' ' is not declared.It may be inaccessible due to its protection level with the following code. [code] I tried changing from private sub to Public and adding Imports System.Windows.Forms.TextBox but that didn't fix my problem.
View 5 Repliesi know that NO software is safe from hackers etc... i mean if Windows can be cracked and hacked (developed by possibly worlds most advanced programmers) then hobbyists and small developers have alot to hope for.But is there any way i can increase protection for my vb compiled exe?First of all is there a way to remove ALL comments from my compiled code?Is there a good obfuscrator for vb net 2008 code
View 4 RepliesI want to secure my SQL Server Database so that no one could open it or access programmatically without a password. How can I do it? I tried the security section of SQL Server Management Express but it is too complicated for me.
View 1 RepliesI am looking to create a simple password box that will ask the user for a username and pass, if the user is validated against the usernames and passwords in an .ini file the login box will close and launch a program also stated in the .ini file. I would also like to be able to launch different programs for different users.
View 16 RepliesI'm getting closer to the point where I need to look into software protection. Ok, stop laughing, I'm looking for something easy, able to make trials, unlock via internet are my primary needs. Does anyone have any recommendations from personal use or seen any reviews comparing different softwares? I've seen about a dozen already looking around today but would like anyones feedback.
View 4 Replies