VS 2008 Enum And Radio Boxes-passing Info To Business Class?
Jan 29, 2011
I'm trying to pass data from the main form to a business class form for calculation.I have 3 types of cars and I can't get the code right to pass that to the business form. It seems correct to me, but obviously, it's not.This is the code for the calculate button, I can't figure out why its telling me that CarSize is not a member of the business form when I have it in the Enum statement at the top. I'm going by what the book says and this appears right according to it.
Dim CarTypeInteger As Integer
'determine the car size from radio buttons
If LuxuryRadioButton.Checked Then
[code]....
In the book it says to specify the class name when declaring the enum on the business form. So to me it looks like it should be -RentalRate.CarSize.Luxury The error I have is 'CarSize' is not a member of the 'ChristiansCarRentals.RentalRate'.
Public Class Form1 Public Contestant As New ContestantClass Public HighScore1 As New ContestantClass Public HighScore2 As New ContestantClass Public HighScore3 As New ContestantClass [Code] .....
The problem I'm having is the first time I take a value, it gets inserted in the right section. The second time I insert a value, it inserts it in the correct place AND updates the previous value I inserted with the new value. So apparently when I'm doing: HighScore1 = Contestant It's pointing contestant AT highscore1 rather than taking the name, company, and score from contestant and then storing it in highscore1. How I can pass that info by value rather than by reference?
trying to write a simple form for calculating professor's salaries depending on their degree and position.my problem is that the when i select a check box, the value is not being updated until i select a different radio button. it probably doesn't make much sense here,
Public Class frmMain Private Sub optLecturer_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles optLecturer.CheckedChanged[code]....
the values being assigned to my salary label are correct, but are not being updated until i select a new radio button. im not entirely sure how to get around this so that the value is updated as soon as i select the check box.here's when the program looks like:
I have 8 check boxes and 4 radio buttons on a child form. When the User checks a Check Box, they then select a radio button. They will do this for 1 to 8 of the check boxes. The only way I could think of to keep track of this is create 8 panels with 4 unique radio buttons in each. Then I would set the visibility to each one accordingly. This method has other logistical errors than just trying to get the design view worked out.
I was wondering if there was a way to just use the radio buttons. I thought I could set a boolean variable to keep track of each Check Box's Radio buttons. Or an integer variable. For instance, if Check Box 1 is checked and Radio Button 1 is checked then myVariable's value is 1 or whatever. Then when I actually run the app, I can check the value of the variable do do what I need. Does this sounds plausible?
I need to create a form with radio buttons, text boxes, labels, etc.. This information needs to be pulled from a database. For instance, I have a form that displays information that needs to be inputed to a database, based on what test is being done for a specific product. Each product requires different tests. So each product may or may not have the same information that needs to be inputed..
What I have done is made a database and filled a table with each product and what tests apply. I then call that database after the product has been selected for the tests. It will then fill an array for that products information for what texts boxes and labels need to be shown. I wanna take this further and have it create a form through code and align all the controls to specific spots so that it will look nice. For example I wouldn't wanna create a control and have it be cut out of the form, or have other controls overlapping others.
Application: Arrays are to be used for this. When button Add Student is clicked it should add all the information for a student and when Show Student button is clicked it should prompt the user for student's last name and student's information in a message box. Class ranking list box has an enum function to it and has to be stored be show along side other answers.NOTE: FindItemIndex if from the last application I did, i am suppose to use it in this one,so you can modify it the way you want.
I'm building a class, and i let the user select several options to show or hide some features in another form.In my class i declared an enum with 5 values, and in one of my class constructors i declare an paramarray of the type of the enum.Now i want that when i declare a new object of this type, when the user put the "(" char, a popup/tooltip/intelisense (don't know what to call it), show all the options available. Like in the classes that allready exist in the framework...
I've got a main form (Form1.vb) where I created some controls (with the Designer).I've created a class myTextBox, inheriting from TextBox, in myTextBox.vb.In the main form, I call procedures from myTextBox. The issue is, those procedures use values from the Form controls. So the class doesn't recognise them as initialised.What's the best solution for this?I think I could pass the object itself as a parameter but doing it on each call seems a bitredundant and it thickens the code.Is there any way to access the Form1 controls and objects directly from the myTextBox.vb class?
VB.NET is not letting me dance with both feet, or piss with both hands. I've got one foot and one arm tied behind my back at every turn. I want to use this statement in a function: Return CType(Formatter.Deserialize(FS), DS) Seems doable, right?
Function ReadFileStream(ByRef FS As FileStream, ByRef DS As Object) Dim Formatter As New BinaryFormatter FS.Position = 0 Return CType(Formatter.Deserialize(FS), DS) End Function
Right? I mean, CType only accepts a class name as the second argument. I can't give it an instance of a class, or it croaks. Yet if I try to pass the class name as the argument to that function: DataInfo = ReadFileStream(FileStream1, DataStruct)
VB.NET croaks on this, too, complaining that "'DataStruct' is a type and cannot be used as an expression.". It's used as an expression by CType just fine outside of the function. Does the VB.NET legislature provide a clause that allows for a 'Type' to be passed as an argument in a function? Writing all the supporting code ten million times to deserialize a file using CType ten million times in a large application will get very complicated and tricky very quickly. It should be handled by a routine so that any cases and adjustments that come up can be dealt with in one spot.
I am looking for a way to pass a class method into a new thread. On my form I have a few object that contain methods.
For example obj1.doWork.
Now I want to do
Example Dim t as new Thread t = new Thread(AddressOf obj1.doWork) t.start()
However I get an error on this saying:
Error1Overload resolution failed because no accessible 'New' is most specific for these arguments: 'Public Sub New(start As System.Threading.ParameterizedThreadStart)': Not most specific. 'Public Sub New(start As System.Threading.ThreadStart)': Not most specific.
I'm developing a business model for an application where I am representing physical entities. The hierarchy created from this is neat, but as I'm doing this, I'm beginning to think about things like, what properties should be included in one that may already be apart of another? Or what if some properties are expected to be in one object, but another object needs to return that value, how does it communicate that request through the hierarchical chain? And what is the best practice for this design?
[Code]...
But then I got to thinking, what if I have a ConnectionPoint entity and I want it to return which Panel it has? Should it have it's own Panel association as well? Or should there be a method/pattern for communicating the request up the chain? And again... what's typical best practice?
Something like in the image.I know that <Description("blah blah blah")>_ gives the description, but when the user is in the designer tab, I would like to know how to add that info when intellisense pops up.
I have a groupbox called "GradeGroupBox" that contains 4 radio buttons for each high school grade. I also have a clear button which, when pressed, should deselect any values in that box. how can this be completed? I know how to do each one individually, but is there a way to do it as a group?
I am trying to get 2 group boxes with radio buttons. I would like to check a radio button in group box 1 and have a corresponding radio button in group set 2 get automatically checked based on what I check in group box1. I am trying to do this in VB.
I'm creating a windows form application, which contains radio buttons, that when checked and the button is clicked, display a certain image in an image box based on which radio button was checked. I'm having trouble with assigning the certain image to the radio button. Can I use If/ElseIf statements?
I have to create a program for customers buying a new care can pick options for that car.The starting cost of the car is $26,000Im having trouble figuring out where to add the starting value. And also, how will i calculate all the options into the total along with the tax.
Public Class Form1 Dim dbltotal As Double Dim dbltax As Double
using an object-binding I have a an object representing "Employee". The employee has an ID-property. The ID of the employee must be unique.
My validation of the entered data is handled in the property set part of the object. In general, I validate criteria belonging to the object to validate only (eg numeric range of the ID, if it's value is not empy, ...). But in this case I need to know all ID's from the other employees. My tried this:
I seem to be having trouble getting group boxes to appear when I click a radio button.
For example:
If radiobutton1.Checked Then Groupbox1.Visible = True Groupbox2.Visible = False Groupbox3.Visible = False Groupbox4.Visible = False End If
This indeed brings up the first radio button however I have other groupboxes underneath which with the same code will not appear when the radio button is checked.
Eg:
If radiobutton2.Checked Then Groupbox2.Visible = True Groupbox1.Visible = False Groupbox3.Visible = False Groupbox4.Visible = False End If
The second groupbox does not appear and is directly behind the first groupbox.
I am having trouble coming up with a way to add a selected radio button in a selected group box together.I have 3 group boxes each accessed by a checkbox within each group box there is 3 to 4 radio buttons. I would like to know how to add the selected radio buttons in each group box together and display them in a textbox by clicking a button "calculate". I believe I would have to make a global variable but I dont know where to start.
Private Sub Calculate_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Calculatebtn.Click Dim answer As String
[code]....
I know this code is wrong but I was just trying to remember the calculate function.Is there a command that uses the selected radio button from the group boxes then I would be able to input that into my calculate button sub?
I am working on a calculator and I'm trying to use select case statements for the symbols selected (radio buttons) as opposed to If then Else statements. I am running into trouble because I'm only used to using them with list boxes.[code]...
I understand because it has to be ON/OFF it won't go through to any other radio buttons in the group box. Would the best way is to use a hidden radio button that would switch control between the two? There's only two radio buttons i need to tab through, what's the best way to tackle this?
my form displays locations and owners for a same product, the forms have a data grid view that actually takes in the details of the location and owner of that particular product. a product can have multiple owners and locations once its manufactured over time, the forms actually display this all i need is some kind of business logic that can actually manage the historical events of the location and the owner that when a user actually goes in and adds a new entry, the end date of the previous owner gets reduced to one less than the start date of the new owner. this in formation is stored in business layers called the owner collection and the location collection, i am not able to actually inherit or call the location or the owner collection class in the classes.
I have two forms named are form1 and form2 (form1.h / form2.h)There are a textbox and a button on form1 and form2.When I clicked the button on form1, it must fill the textbox on form2 and when I clicked the button on form2, it must fill the textbox on form1 how can I do it,when I define #include "Form2.h" in form1.h AND #include "Form1.h" in form2.h, it gets me an error "error C2065: undeclared identifier.
I am having trouble passing my summary info from my main form to the summary form. Only thing I have been able to have it do is show me the OK button to exit the program which is essentially no progress
I have a program that I am writing that asks the user for information.The program takes that info and passes the strings to a module that has a set of case statements for comparison.The program was working just fine yesterday, and now it acts like there is no information being passed to the module for comparison.[code]
