i want to create a program that pressing a button will increment an integer variable and a textbox will show the result. Te code i wrote is below:
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
dim i as integer
i = i+1
textbox1.text = i
End Sub
now, the same code works for the vb6 form but on vb 2010 the textbox just show 1 and does not increment any further.
How can i increment varchar in vb.net 2010?.
[code]...
Since my VB6 days I've longed for this feature. Every time you build a version it increments by one. On VS2005/2008 I've seen a few 3rd party programs or tips and tricks to get something similiar. I mean who wants to see a version no. like 1.0.1234.5678789 I used to use autobuildversion but can't seem to get it working on 2010. Has anyone managed to get the auto increment to work in any shape or form. I can't find the AssemblyInfo.vb file to edit so my program is stuck on 1.0.0.1 unless I manually increment it? I mean is it so hard to implement a built in auto increment function, or am I missing something?
View 5 RepliesI am using the AJAXToolkit Accordion control and dynamically adding panes to it based on a query of the database. For example:
Jane logs in and pulls up the page with the accordion on it. In the database she has five rows in the todo_list table. So, I need to dynamically generate five panes that contain the info. from the table...but if Joe logs in he may have only three rows, and Josh may have fifteen - so I can never know how many an individual will have beforehand.
So, I need some way to dynamically name the variables (or is there another way to do this). For example, here is some pseudo-code of what I'm trying to accomplish:
Dim i as integer
For each row in todo_list
Dim ap + i as New AccordionPane
Add some info from the row to the pane
Next
Say that i have the following code that parse about 20k records from the DB.
Code #1
vb.net While reader.Read()
list.Add(If(Integer.TryParse(reader(0).ToString, 0), Integer.Parse(reader(0).ToString), 0))
End While
And then another code which does the very same thing but it seems to be a little cleaner.
Code #2
vb.net While reader.Read()
Dim storeowner As Integer = 0
Integer.TryParse(reader(0).ToString, storeowner)
list.Add(storeowner)
End While
This is what i am confused about; does the compiler creates a new variable automatically when i use the if statement without strictly declared variable? What approach is better in sense of performance?
I have a datetime variable (00:00:00) and I like to increment with a timer every seconds...minutes.. hours...etc...
View 7 RepliesSay I have something like this
Dim Level1 as Integer = 83
Dim Goal as String
Goal = InputBox(" What level is your goal?")
[code].....
I have the following code
Protected Sub btnAdd_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnAdd.Click
Dim counter As Integer = 0
Dim t As DataTable = DirectCast(Session("MyDataTable"), DataTable)
Dim row1 As DataRow = t.NewRow()
If (isUnique(t) And counter < 30) Then
row1("ID") = counter + 1
[Code]...
I am working on MVC3, i have a situation where i want to do something like this:
<Div>
@Code
Dim i = 1
[Code]....
but razor is throwing wrong syntax error message. how to do this properly in side razor code.
So I have an arraylist with some strings in it in one private sub. But I would like to use this same arraylist in a different private sub also. How could I accomplish this?
I tried changing the subs to public but still got the "is not declared" error. And I tried switching the arraylist's dim with public only to get another error.
I'm a newbie writing my first app. I need help with the following: I need to retrieve the logged in user which = GID, I then need to append it to a URL which will start our Help Desk chat client. I can retrieve the GID easy enough but can't figure out how to append it and pass it with the URL. I found a post which instructed to declare the url as a string also and concatenate it. The UserName would follow the ":" at the end of the Url.
[Code]...
We use javascript to do this from the HelpDesk site, but I need to adapt it to work from my app.
I'm using VB 2010 Express and have a label named "lblTitle" in my form.The next code doesn't work and I know it , but how can I do something like this?
Dim bla As String
bla = "lblTitle"
bla.Text = "Hello world"
[code].....
I have an apllication with many many distinct forms.
So, I need sometimes open a form, wich the name is strored in one variable
For example I have this:
dim aaa as string
aaa="frmTestForm"
I wanna open the form who have the name keepted in aaa.
Something like this:
[aaa].show()
I need to get the handle of a variable. How do I do this?
DEVICE_PARAMETERS = New PresentParameters
ZeroMemory(>>Handle of DEVICE_PARAMETERS<<, Marshal.SizeOf(DEVICE_PARAMETERS))
-Ren�
I have the following line of code which keeps giving an error.[code]I know what is causing the error, it is the ItemCount which remains as ItemCount in the command line not the value of ItemCount but I can't work out how to get the integer value.
View 4 Repliesinto a Sub or Function, there is an variable containing the Sub or Function name? Public Sub MyFunction..... subName = thisSubName obviously I can do subname= constant, but I want an semi-automatic way to log the running of several subs as CustomerDelete and so on. also in the validation events of input box's I want to do some kind of validation calling a function without constants, as result = validate(InputBoxName, InputBoxContent)
View 4 RepliesPublic Class Form1 Dim CharList As ArrayList Private Sub btnAdd_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnAdd.Click CharList.Add(TextBox1.Text.ToUpper)End Sub Private Sub btnClear_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnClear.Click
[Code]...
i am using the following VB6 code and I get this error Variable 'osv' is used before it has been assigned a value in VB2010.I want to use this code/method for getting the version, I just want to fix this
Public Class Form1
Private Declare Function GetVersionEx Lib "kernel32" Alias "GetVersionExA" _
(lpVersionInformation As OSVERSIONINFO) As Long
Private Structure OSVERSIONINFO
Dim OSVSize As Integer
[Code]...
Public Class Form1
Public tc1 = Color.Blue
Public tc2 = Color.Green
[code].....
Is it possible to assign a pixel value of a binary file to infinity? Lets say that my binary file is composed of 4 pixels only and the values are (1, 4, 8, &)... Would it be possible to assign the fourth pixel to infinity?
View 7 RepliesI have created a class with a public sub which has a variable with it using byval:
Public Class clsMessenger
Public Sub Messenger(ByVal Port As Integer)
End Sub
End Class
I now need to start that sub in a new thread and pass a varible to it but I am not entirly sure how to go about that. At the moment I have:
Dim ClientConnection As New clsMessenger
Dim ClientThread As New Threading.Thread(AddressOf ClientConnection.Messenger)
ClientThread.Start()
I can't use a global variable because there is going to be multiple instances of this routine running on different threads and each time the variable to be passed will be different.
is it possible to dynamically dimension a variable?in my case, i have a chart that has a varying number of series on it depending on the data extracted and in order to use those series, i have to dimension them manually before adding points to them, IE:
Dim series1 as New Series()
Dim series2 as New Series()
etc
etc
my series data is contained in a datatable, so i'll know the count required, but it will change at runtime, so obviously doing something like this won't work, but explains what i'm trying to do:
dim recordcount as integer = datatable.rows.count
for i = 1 to recordcount
dim "series"+recordcount.tostring as new series()
next
i have a drop down box, with 2 Options Yes and No,what i want to do is
if questBox = Yes
do this
else if questBox = No
do that
end if
but not sure how to do it.
How to serialize TcpClient variable
View 7 RepliesI get error "Variable 'retVal' is used before it has been assigned a value. A null reference exception could result at runtime." Here is my
Private Function JoinDomain() As Object
Dim BungeOU As String = "OU=Computers" & ",OU=" & SitesCmboBx.Text & "O=Na.Dir.Bunge.Com"
Dim args(4) As String
'Dim args2(2) As String
[code]....
[Code]...
Now I'm wondering if it is possible to convert text to one variable defined up i.e.: dim mycolor as string
[Code]...
Is it possible to convert string mycolor to Color variable as defined before?
I have this
Public strDBData As New List(Of SearchDatabases)
Public Structure SearchDatabases
Public strName as String
[code].....
If you need to know what i'm doing this it it:I'm parsing a webpage that lists information such as; Name, Site URL, How many members etc.And thats fine, but i want to put the names in a listbox, and then when the user clicks a name in the listbox it displays the other data about that name such as the site URL and how many members they have.This is easy to do but i have made my listbox sorted so the names display alphabetically, so then my strDBData index's don't line up correctly, to fix this i need to sort the
How can I pass the global variable to .dll from windows application (.exe)
Test.dll 1. FunTest1 (Parameter Required)
------- 2. FunTest2 (Parameter Required)
Within 'FunTest2' it call 'FunTest1'.
And in .Exe I call 'FunTest2' and want to pass the parameter for 'FunTest1' also.
My goal is to make the content of TextBox1 to depend on the value chosen in ComboBox1. My code is as follows:
Imports System.Collections
Imports System.Data
Imports System.Data.OleDb
[Code].....
If a string variable contains the name of an integer variable how do I then use the contents of the integer variable.i.e.I have a string variable called 'Rowname' which will contain the name of an integer variable.The integer variables will have been previously defined with values such as RowA = 0, RowB = 5, RowC = 10..I now want to add together the contents of the variable defined in 'RowName' with a the contents of an integer variable ColumnNumber.
View 7 Replies