I have this value 2.5 and i would like to put this value in a variable but without the period:
Dim value1 as Double
Dim value2 as string
Value1 = 2.5
value2 = Int(value1)
I had try Int but just return the 2, and that i want its:
value2 = "25"
Any instruction that do this directly?
I need to find out how Weekdays there are between two days.how can i do this? I know i can not just divide the Amount of days by 5 (for the weeks) and then subtract (2 * Amount of weeks)' (for the weekend), because the first date may start on a Thursday.
View 2 RepliesI was wondering how can I get the two numbers right of the decimal period? If I had 2.85874125639, I would want to get this: 2.86 since it was rounded...
View 4 RepliesI am writing an application that I want to give to a select number of customers.
What is the best solution to use so that after the trail period (1 month) the application will no longer work.
I was thinking that if they are interested in purchasing the software I will give them a license key or something, to unlock the application. However, I would like to make this unique to every computer.
I am have a very limited budget as I am working on my own. So is there any free 3rd party products that does this?
I was thinking of writing the date the application was installed in the system registry, and each time the application loads it will check if this date is over one month. However, the user could turn back the date on their computer.
Another, solution I was to have the application run some many times. For example, the user can only run 30 times. Then it will lock.
I caused the VB.NET2008 IDE to do something extremely odd and unintentional with some code I was writing. As some of you know, I mostly write programs for industrial equipment. On one of our products, I needed to make certain forms automatically close after a timeout period. To do this, I began programming a usercontrol with a Timer on it (interval = 1000) and a ProgressBar. Timer.Enabled was set to the Enabled event so I could toggle it. When the control counted to it's timeout period, it would call Me.ParentForm.Close
So I build my project, and drop it on a form in the IDE and I see it begins counting! Huh... I had no idea timers were active in the IDE. I wonder what happens when it hit's it's trigger? I figure probably nothing since Me.ParentForm was actually the designer. When it triggered, the whole IDE crashes without save. I tried it twice now. Here's my
[Code]...
Out of curiosity, is there a way i can make a program stop or pause for a period of time (which i would choose) before continuing the code WITHOUT a timer.I think I've seen this done before, but I'm not positive.Also note that I'm talking about a forms application (not a console app if that would be any different.)
View 3 RepliesI am getting the error:"Range variable 'sender' hides a variable in an enclosing block or a range variable previously defined in the query expression."for this
Imports System.Data.SqlClient
Imports System.Linq
Public Class Form1
[code]....
I can select any other item from the table without the error. "sender" has the same properties as "receiver" in the SQL table.
How Do I Make Button.click Event Perform both the enter and period(del) keys on the numeric keypad? [Code] Case Keys.Enter and Case Keys.Separator do not work. Nor does anything like Keys.OEMPeriod for the period(del) key. I've also tried calling the enter key in a KeyPress event etc. But to no avail. Any ideas? I'm trying to mimic Windows calc.exe for a school project and thought I'd try throwing in a few extras such as numeric keypad functionality.
View 1 RepliesI am trying to use the value of one variable to call another variable of the same name.I have 2 variable one called VAR1 and VAR2.
The variable VAR1 has a value of "VAR2"
The variable VAR2 has a value of "HELP"
I want to be able to get the value VAR2 from the variable VAR1 I have defined the value of VAR2 early in the code and now I want to call that value by using the value of VAR1.The reason I am doing it this way as I have a list of 50 variables that are pulled from one system. Each of these variables have the same name as the columns of a spreadsheet. The total number of Variable stay the same but the total column headers may vary each time. I need to loop through each of the column headers match them with the variable names and add the data to the spreadsheet.
VAR1 = "VAR2"
VAR2 = "HELP"
i =1
[code]....
This is the tricky bit...if the value of the cell(1,i) = "VAR2" How do I get it to display the value of the variable of the same name In this case how will I get it to display "HELP" when I only have from the VAR1 value "VAR2" I know my code will bring back the value as a string but I want it to bring back that string as a variable and display the value of that variable?
I am making a program that when it starts up you type in your name, lets say you type in "John" and then you click on a picture below your name, and a label below the picture says "Welcome John"
How do I make it say "Welcome John." Even if they do not type in a period when they type their name in the text box?
how to make the program insert a period at the end
I have to increase timeout period.Following is my code.
Private Function GetConnectionInstance() As SqlConnection
Dim objConn As SqlConnection
Dim strConnection As String
strConnection = ConfigurationSettings.AppSettings("conn")
[code]....
What code i have to add in above to increase timeout period.
I've got a function that allows only numeric characters to be entered into a text box. My question is how to alter the code to also allow periods (charcode 46).
[Code]
but it does not seem to be working (still only numbers allows, periods still not).
I'm trying to find a VB code that checks if my date on a label is between a certain dateperiond that is chosen from two DateTimePickers..[code]...
View 6 RepliesSo basically, my program is going around the world, and it has come to my realization that certain places use commas instead of periods for decimals points. So herein lies my problem. If the computer's local language is German, then the program will accept commas, but then errors are produced with periods, and vice versa with an American computer. So my question is, is it possible to make the program permanently use periods, and then have a function that can convert any commas to periods?
View 30 RepliesI'm working on an app and in the textbox field I would like to be able to convert anytime a user would type .36 it would actually change and display 0.36, mainly I want it on the key press of the period just add a zero before it, and I need this to happen on the keydown event.. anyone have any ideas for me on how to do this? This is all I know so far...[code] One last smidget of problem too, I only want this to happen when the user types . in the beginning not if he types 4.22 with the period being after a digit.
View 10 RepliesI've got an ASP.Net application, which starts throwing NUllReferenceExceptions, after a long period of running. The code in question is used early on in each individual session, where we're trying to establish some kind of referrer information. The thing is, I can't fathom out what can throw this exception. The method in question (topmost in the stack trace) is:
[Code]...
I'm trying to put A Period After every 3 Characters In A Combobox. I want the user to be able to type an Ip ie:"255.255.255.255" and every 4th character automatically add a period .I already tried the formatstring no go.
View 3 RepliesI am maintaining some VB .net code and noticed that they call a method with a period in front of it. What does that mean?
View 1 RepliesMy chemistry calculations program, written in Visual Studio 2008, VB.Net (Win XP), gives completely wrong results when a Comma is used as Decimal Symbol.The calculations are only correct with a Dot (.) as Decimal Symbol.How can I make the calculation results independent of the Decimal Symbol? (Dot or Comma)?(For example Excel calculates correctly with a Dot or Comma as Decimal Symbol)I have found an old thread adressing the same problem, but no simple and easy solution was given.
View 3 RepliesI need to check commandargs on the entry into an application. The value to check will either contain an ipaddress or a special case of '0' or Zero. I can't use he following because it will throw an exception on a valid ipaddress. What can I use to first determine if the value contains a value of type 10.0.110.65 before I check to see if the value is zero?
If (CInt(IncomingConnectionArgs.IP_Address) = 0)
I am trying to display a dialog for a period of time. if the user is not present, I want it to close and perform a task. I am using a background worker, which is supposed to simulate a button click. It performs the button click fine, but the dialog never goes away.
Private Sub Backgroundworker_ProgressChanged() Handles BackgroundWorker1.ProgressChanged
If Me.BackgroundWorker1.WorkerReportsProgress >= 100 Then
[Code].....
take a shot from a camera every last day of the month at midnight. I know how to to take the shot, but I don't know how to generate an event repetitively after a time period. I thought about to calculate the time between now and the next shot time, but how to run a method after a time period?
View 3 RepliesHow 2 filter 2 consecutive dot in textbox?
View 1 RepliesHow I can stop my application if not use it for a period of time ?
View 1 RepliesI am trying to prevent the user from typing dupilicate decimals or periods into a data entry form. The code below has all been tried and yes, there was a do something in there. This is just a sample of what I tried. When I could not trap "." I moved through various renditions of the e.keyvalue still no luck. I know it is simple and stupid but it darn sure escapes me...
If e.KeyValue = 110 Then 'NUMPAD DECIMAL
If Me.MultiplierTextBox.Text = "." Then
End If
[Code]....
I have been trying to find out of the last hour how to do something proberbly very simple ?
I have a button, when I click on it, I want to loop the code inside this button for 60 seconds.
How can I loop through each date in a given time period so that I can add those dates as a column name in a table. I want to create datatable with the person's name and hours he worked in a given time period. The user will select the dates and I want to show each day/date in that table as a column name.
View 1 RepliesI know that the following code blocks the usser from ussing spaces in a textbox however how do i allow the user to only use numbbers and a fulstop (so i can add values like 1.5)[code]
View 4 Repliesis it possible to have a delay period of 17nS for an application in vb.net???
View 7 RepliesI have set up a simple quiz where you drop answers to the correct question. I have implemented a system where the are 18 text boxes (9 for questions, 9 for answers) and it can be customised but I want the questions to be able to be 'saved's since it in another form the if I give them special names when I close the form and open it again it has lost the values. Is there a way to remember the variables for a set period of time (cookies?) or if not just for that session?
View 2 Replies
