VS 2005 - Correct Messageboxes And Correctly Validates All Through Database?
Jan 9, 2010
I have a login form. all my code is valid with the database and all that.i use an if statement, like if passoword and username match database password and user name then it allows them in then opens my main form. code for that is as follows
[code]...
for some reason, it shows the correct messageboxes and correctly validates all through database, but it closes the Login form correctly, but then shows the main form only for a second, then closes program. I am having issues with similar form opening and closing in other parts of the project as well.
View 12 Replies
ADVERTISEMENT
Jul 31, 2010
I've created code that generates a random number and validates the users guess to see if its correct. I think the code is good but i'm not 100% sure. I need to add additional pieces to the code and i'm not sure where or how to do it. allow the user 10 guesses. after 10 guesses disable the ability to make more guesses if the 10th guess is wrong count each guess entered & display the count as it increments display each guess along with its returned messaeg into a list box. when the user gets correct answer provide a box to allow them to play again. Re-initialize variables back to their starting status.
a. If the user correctly guesses the number in less than 5 guesses display "Either you know the secret or you got lucky!" in a message box. b. If the user correctly guesses the number in 5, 6, or 7 guesses, display "Ah Ha! Do you know the secret?" in a message box. c. If the number of guesses is 8 to 10, then display "Try to do better next time." d. If the number of guesses exceeds 10, then display "You have taken too many guesses."
[Code]...
View 3 Replies
Jan 15, 2010
I have a nvarchar(256) field in a SQL 2005 database table that contains several records in Chinese and I'd like to output this characters correctly in VB.NET code.What I have now doesn't work at all:
Dim MyText As String =
Dim value As [String] = MyText
Dim tc As Encoding = Encoding.GetEncoding(950)
[code].....
View 1 Replies
Apr 25, 2009
I have declared this function and trying to get the correct coding to call this function correctly.Public Declare Function ColorRGBToHLS Lib"shlwapi. dll" (ByVal clrRGB As Long, pwHue As Long, pwLuminance As Long, pwSaturation As Long) As Long
View 4 Replies
Aug 12, 2009
The PrintPreview dialog loads and correctly displays the correct number of pages.When the Print button on the dialog's toolbar is clicked, only one blank page is printed to the printer.Seperately, when calling the PrintDocument1.Print() method, all pages are printed correctly to the printer.[code]
View 4 Replies
Apr 18, 2009
I have created a basic query generator which allows a user to select the Select, WHERE and criteria attributes using a number of checkboxes.However i have got stuck. In the results form i have the following code
Private Sub DisplayRecord()
RichTextBox1.Text = ds.Tables("newResults").Rows(intCurrentRecord).Item(0)
RichTextBox2.Text = ds.Tables("newResults").Rows(intCurrentRecord).Item(1)
RichTextBox3.Text = ds.Tables("newResults").Rows(intCurrentRecord).Item(2)
[code]....
The program keeps on crashing if the user does not select the corresponding amount of display records from above for the amount of attributes they want for the SELECT part of the query in the intreface in form 1.
How would i go about making something where the number of SELECT attributes selected which are listed in a string create the correct number of textbox fields in the results form (form2)
View 1 Replies
Feb 13, 2012
I've separated my viewmodel into a separate dll and it just feels wrong to put messagebox's there.
Care to suggest any good way of implementing messageboxes?
View 5 Replies
Jan 6, 2009
i know that you can use yes and no and retry and ok ect..buttons in a message box but what i want to know is that can you make the buttons custom. say insteed of yes it say "SURE WHY NOT." or insteed of no it says "WHAT ARE YOU INSAIN OF COURSE NOT."just wondering how ,if at all possable, how that would work and how i would use those custom buttons in a select case thingy.because i dont know if i change the YES button to say "SURE" and NO to say "R U CRAZY?"[code]
View 1 Replies
Aug 4, 2010
MessageBoxes are often used to display error messages and other information, and I thought that I'd create something to make it easier to see the format of the MessageBox rather than having to test it or temporarily set a condition in order that you ca see how it looks and then modify the code. This is hardly perfect, but I don't think it's a bad start.[code]....
View 10 Replies
May 18, 2010
I have a windows application that displays a multi-line message box to the user during the course of the program.This particular application is run on various machines running either XP, Vista, or Windows 7.When the application is run on an XP box, the formatting of the Messagebox looks great. When the program is run on a Vista or Windows 7 machine, the text in the messagebox is eschew and the formatting looks sloppy.Is there a way in Visual Studio to ensure the formatting of text in Messageboxes is consistant between XP and Vista/Win 7?
View 4 Replies
Apr 8, 2010
So I have the following
With Me.dgv
.AutoGenerateColumns = False
.DataSource = Info.PESList
[code]....
View 10 Replies
May 11, 2009
Is there a way or a tool that can automatically correct some common errors like "Cannot implicitly convert type 'System.DateTime?' to 'System.DateTime'. An explicit conversion exists (are you missing a cast?)"?I would want it to be able to automatically add (DateTime) to the offending line instead of going all over them manually. Is this possib
View 6 Replies
Mar 20, 2012
How do I check the correct OS version (xp, windows 7 etc)? I have seen an example like:-
Imports System.Environment.OSVersion
But this does not exist. All I have under environment is specialfolder.
View 2 Replies
Sep 8, 2009
I have a data table in my dataset which was created with the following script.[code]
View 6 Replies
Sep 28, 2010
I'm facing a problem while updating data in a database through datagridview. I'm changing the cells using a for loop and then updating db using below code. All data rows get updated but 1 (the last one).
Here is the code I'm using :To load data:
ds = New DataSet
cmd = New SqlCommand(query, cn)
[code]....
View 3 Replies
Apr 8, 2009
I have a user that is receiving the following error: "Input string was not in the correct format"So I looked into the code and I can see why he is getting the error. The code is trying to execute this line:
_MyObject.LineBreaks = "0"
And the property looks like this:
Public Property LineBreaks() As Integer
Get
Return _MyLineBreaks
[code]....
Now, I immediately see that this old code is trying to set a string into an Integer and the old programmer was not using Option Strict, so he didn't notice this, BUT the problem has only happened one 1 user's PC. Running from the IDE works fine as well as installing the application other PCs. The code is executed every time the application runs, but yet only one person has reported the issue.Why would one PC baulk at this, but not the VS IDE or any other PC so far? Is there some system setting that determines how type conversion is handled? I need to get this user up and running.
View 19 Replies
May 22, 2011
I want to display the correct records in my SectionName dropdown list whenever the user select/check an radio button (Elem or HS). No radio button is checked during design time but when I run the app, the SectionName dropdown list show Elem records. also when I checked the HS radio button the SectionName dropdown list records does not changed at all..
Private Sub frmLoading_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
If cnn.State = ConnectionState.Closed Then cnn.Open()
[Code]....
View 9 Replies
Jan 6, 2009
I have wrote a function which validates a masked exit box date format. I have entered into the Mask property 00/00/0000 which on screen translates to __/__/____, great. If I get an invalid date I want to clear the content and reset the focus back giving a message box warning. [code]It all seems to work until I then try to enter a new date. The first number a press seems to push the mask characters to the right and then the rest works. So if I entered 01/01/2009 I end up with _1/01/2009.
View 29 Replies
Jun 28, 2011
I want to automatically close the Login Form once i go the main window.[code]....
View 4 Replies
Jun 3, 2010
I found a function that validates the numberic and decimal input for a textbox and works exactly like I want. But it does not let me limit how many numbers after the decimal. how to do this in the same function?
[Code]...
View 6 Replies
Mar 18, 2011
I have the following code:
[Code]...
The problem I'm facing is that the update happens correctly only for the first of many values. All the other values are calculated and consequently, updated incorrectly in my table. I am almost certain that the looping is what is causing the problem but have been unable to find a way around it.
View 2 Replies
Mar 18, 2009
I am having difficulty retrieving the correct PIN code from my database, for an ATM banking application. When someone enters a correct PIN code that is already in the database, they gain access to their ATM account. If incorrect, then a message box appears. I am having an unusual problem where, the system is partially working. The code I have, is preventing the user from accessing their account, in the correct manner, eg. message box pops up. However, it is also not accepting the correct PIN code. The most unusual thing about this, is that, if the user enters the number "1", the message box won't pop up, however it will still block the user from accessing their account. And even stranger again, after entering the number "1", trying it, then erasing it, if they enter the correct PIN after this, it will allow them to access their account.
Here is the code:
Public Class ATM2
Dim Pin As Integer
Public Sub Retrieve()
[Code].....
View 5 Replies
Jun 25, 2009
Was wondering how to make it so users can log into the program and this would be much easier since the program allready connects to a database to add a username and password table which i have,how can i get it so when i click a button the program will check with the username specified if its in the data base and check the password of the given username returning a yes value if its right and conuing or exiting if its wrong?
View 4 Replies
Sep 26, 2011
conn.Open()
myCommand.CommandText = "INSERT INTO recipeformula (prod_id, prod_name, mat_id, mat_name, mat_no, unitmeasure) VALUES ('" & TextBox2.Text & "', '" & TextBox1.Text & "', @a1, @a2, @a3, @a4)"
myCommand.Parameters.AddWithValue("@a1", SqlDbType.Int)
[code]....
View 14 Replies
Jul 14, 2010
I doing some maintenance work on a vb .net web app and receive a system.formatexception input string was not in a correct format error after I update a row from a GridView control. The database update returns fine and I've stepped through the code and it never throws an error but when execution finishes and returns to the browser I get the following. I turned on the feature to break when an exception occurs but it never does break. Any suggestions? [Code]
View 2 Replies
Sep 9, 2008
I am using the webbrowser control so I can create articles in VB.NET and save the data to a database with the correct html tags, allowing the data to be seen on a dynamic website. I have create a little menu bar with buttons on for bold, italics, etc. The problem is I have two webbrowser controls on and if I click on the first webbrowser I set in the gotfocus a flag which I use in the click events for bold. This means it knows which webbrowser to do the bold on. The problem is, first time round when I click on the first webbrowser it does not call the gotfocus event.
View 4 Replies
May 10, 2011
I've created a log in system using a database and query builder to return the correct values, however, once the users signed in I need to bring up the rest of their data from the same table in the database. How'd be the best way of going about this? I'm not sure whether the log in should be changed to use the primary key as well.
View 2 Replies
May 15, 2010
Is it correct to correct properties values on the fly? for example: (note the .ToLower)
Public Property X() As String
Get
Return _x.ToLower
End Get
[code]....
View 1 Replies
Jun 8, 2010
i'm working on a system that upgrades a basic version to a proversion but i have a payment gateway . it generates a code in an SQL DB.now i have a form in VB that has a textbox and a button how can i let VB connect to my SQL DB receive the code and then check if that code is correct and if its correct download silence the pro file. from an url.
View 7 Replies
Sep 16, 2011
I'm supposed to write a program that validates an inputted ten digit ISBN number using the check-digit at the end to ensure that the sum is a multiple of eleven. Before calculating this and detecting if the entered number is indeed a valid ISBN, we're required to check the first nine digits and see if they are indeed integers. After this the tenth digit is checked to see if it is "X" (for ten) or 0-9.
With the code I've written it keeps returning false for whether or not the ISBN is valid, even with valid numbers. I feel like its something to do with the hyphens; have I misused the replace function?I'm a little lost on how to make my code work, but I'm fairly certain my logic is okay so far.
[Code]...
View 4 Replies
