Form1 - Designers Use First Class In File
Mar 30, 2011
I am getting this error: The class Form1 can be designed, but is not the first class in the file. Visual studio requires that designers use the first class in the file. Move the class code so that it is the first class in the file and try loading the designer again. What I have done is in the design window I have put Imports System IO right at the top where should I move it too As when I look at the code it is endless with all the Me. info about everything???
_ Partial Class Form1 Inherits System.Windows.Forms.Form
'Form overrides dispose to clean up the component list.
_ Protected Overrides Sub Dispose(ByVal disposing As Boolean) Try If disposing AndAlso components IsNot Nothing Then components.Dispose()
[Code] .....
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Aug 31, 2008
Here is my code: [URL]..The goal is to get file path that was selected by the user in the Form1 class, transfer it to the File class, and do various things from there such word count, syllable count, etc.However Visual Studio says filePath isn't declared in the File Class, even though right above it you can clearly see it is.
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Oct 18, 2011
I have a class called class1, in that class i wan;t to write something in a textbox in form1, but it won't let me access Form1.TextBox1.text, another problem is that it won't give me the save dialog in excel, but thats another problem.How can i acces Form1 controls?
Form1 code
Public Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Call ThisDrawing.GetFilepath(True)
If Me.TextBox1.Text = "" Or Me.TextBox1.Text = "False" Then MsgBox("Er is geen geldige filenaam opgegeven")
End Sub
[code]....
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Apr 29, 2012
When and why do you declare variables in the Public Class Form1 section?
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Sep 21, 2010
Is it possible to build customized Designers in Visual Studio, for example to mimic the Designer function of the stock Settings template, for classes whose instance variables change drastically from project to project?
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Apr 1, 2009
I've been doing research on reporting suites for a project my company is about to undertake, and have narrowed the candidates down to Active Reports and Crystal Reports. During the demo yesterday, it was clarified to me that one of the capabilities our client would like is the ability for the end-user to create custom reports integrated into the Web-Based client. I know that both packages have options for integrating an end-user designer to a WinForms based app, but I can't find a definitive straight yes or no answer for either suite as to whether or not it's possible to attach them to an ASP.Net based app.
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Nov 7, 2010
i have create a new dataset to pull data from my Access database. May I know how do you call them to use it?
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Sep 9, 2011
Using VB 2008:Situation: A Form1.BackgroundWorker calls a Form1.subroutine. That sub starts a Form1.Timer with Me.tmrOK_BlinkForm.Enabled = True...fires Timer code in event: Public Shared Sub tmrOK_BlinkForm_Tick(ByVal sender As Object, ByVal e As System.EventArgs) Handles tmrOK_BlinkForm.Tick
Form3.Visible = True
Form3.Label1.Text = gNowButtonDispText
Form3.BackColor = Color.White
Form3.Refresh()
[Code]...
There must be a way to do this, I just need the correct BackgroundWorker Syntax send Stop commad to Form1.Timer from Form3.Click_event...all inside a Form1.BackgroundWorker thread started in Form1.
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Oct 27, 2009
In my window application, Form1 variable eg. Public str as string. value blank/null when move to Form2 and Back to Form1. How to maintain Form1 varable's value when back to Form1 In vb.net if any one know, reply me soon
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Sep 28, 2011
The Visual Studio Settings and Project Designers Package ({67909B06-91E9-4F3E-AB50-495046BE9A9A}) did not load because of previous errors. For assistance, contact the package vendor. To attempt to load this package again, type 'devenv /resetskippkgs' at the command prompt.
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Feb 16, 2009
I have got 2 forms ----- form1 and form2
i wanted to navigate from form1 to form2. and then close form1
i did the following code.
-sub form1 _ page load
dim form as new form2
form.show()
me.close
-end sub
i also tried -- form1.close() and form1.dispose() but all in vain
Problem is that my form1 is not getting closed
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Jun 12, 2010
I have an aboutbox1 and form1..I also have a button. When I click the button it runs the backgroundworker. My background worker then opens form1.My backgroundworker doesnt just open it, it does alot of other stuff so don't ask why im doing it like that.My problem:When the background worker opens form1, form1 is not responding.
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Apr 9, 2010
Coming form too many years of VB6 I have a natural inclination to write my own data access code, etc. rather than using database wizard, etc. Same goes for using simple databinding to recordset rather than managing object collections and tying those to controls
I am finally moving to VB.NET and find myself on a solo project without any team on which to lean, so I have a couple related questions as I try to get my head around the transition. The project is basically a line of business app with a SQL Server back end.
1. Are the data designers/wizards so good now that rolling your own is no longer worth while?
2. Is the data-binding now fast, flexible, and reliable?
3. Can you recommend a good book or robust on-line tutorial that covers this sort of programming? 2008 or 2010 preferred.
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Oct 21, 2010
Which different abount Form1.Close and Form1.Dispose?
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Feb 18, 2010
For a test scenario I have a dll project. In the project I have 1 generic class 'GlobalData' and 1 form 'form1' in the generic class I would like to make a public shared newForm1 as new form1 the line of code I'm trying is: Public shared newForm1 as new form1 I get the error newForm1 cannot expose type 'form1' outside the project through class 'GlobalData'. I really need to be able to make a public shared reference to form1. Any way to get around this? Background as to why I need to do this: I have several projects that need to use Form1 as a mdi child. I would like to just update the dll and not have to go back and update the same form in 50 projects.
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Apr 7, 2011
Imports System
Imports System.Threading
Imports System.ComponentModel[code]....
how to declare "smsport" on class smscomms as public so that it can be access in class form1 or button1_click event.
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Apr 8, 2010
I need to be able to start with Form1, move to LoginForm, then back to Form1 taking 2 variables and the "values" they have in the LoginForm back to Form1 and using the variables. I start with the main form (Form1) and have the user enter some information. Once they click OK I have the LoginForm open. After they enter their credentials I will check to make sure they are legal users, then go back to Form1 (here is where I need to take the Username and Password with me) to log onto a server using the same credentails from the login form.
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Jul 22, 2011
I have a class (see below)
Imports Microsoft.VisualBasic
Imports System.Data.SqlClient
Public Class ClientProfile
#Region "Variables"
[CODE]...
It is in the file ClientProfile I have placed in both App_Code and also App_Code/Models
In my code behind I have the following
[CODE]...
The last word, "ClientProfile" has the scary squiggly red line below it. It is not recognizing my class.Even the Intellisense is not picking up te class. Do I have to register the class file in any way?
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Jan 9, 2010
I have these code in my project one from my lecture one that i did myself [code]what is the difference between "dim" something as new form than using the form name straightaway?
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Jul 6, 2009
On visual studio 2005 how do i come back to work on the for want of a better way of describing it "the picture way of coding" i have spent before lunch "drawing" my windows application and now i want to link the boxes and the buttons etc but i can't open the form1.vb file into the pictures.
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Jun 9, 2011
I have a program which has 2 forms. I execute form1 first because it reads files and then writes to a file. Then I execute second form (form2) that will read the file created by form1.
How could I make form1 start form2 once it finishes reading file and writing to a file?
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Mar 11, 2010
I have login form as start up form and i call Form1 after successful validation and in Form1, i have close button on click of Close i would like to reset username and password fields on loginform to null. If i add code in form1 below i get exception Dim fmLogin As New LogInForm
An unhandled exception of type 'System.StackOverflowException' occurred in System.Windows.Forms.dll
Make sure you do not have an infinite loop or infinite recursion
I get above on LoginForm below statement Dim fmMain As New Form1
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May 13, 2011
Example:
Two files - TestClass.vb, myForm.vb
TestClass.vb looks as follows:
Imports System.Threading
Public Class TestClass
Private myClassThread As New Thread(AddressOf StartMyClassThread)
[code]....
The result:Application runs, no errors or exceptions.Displayed is the listbox and the Start button.I press the start button and a msgbox says "Not Invoked" as expected and upon clicking OK to that msgbox "Start Button Pressed" is added to the Output listbox control.Immediately following that the msgbox pops up again and says "Not Invoked". I was expecting "Invoked" as a separate thread is trying to use the Output listbox control.Of course this results in the Output.Items.Add being attempted which results in no visible result as the thread is not allowed to directly update the UI control.
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Aug 9, 2011
so I used to mess around with C#, just a little. And someone had helped me make a class for Visual C# that was supposed to do the math parts for "internal structure" - which the program used for a part of its calculations and screen... Basically there were 2 options. Endo-Steel and Standard. The user would use a updownbox to determine weight of the machine and then internal structure was a % of that total. If it was standard then it was 10% of the overall weight, if it was Endo-Steel then it was 50% of standard (so 5% of total weight) rounded to next 0.5 (so .25 was .5, 1.25 was 1.5, 1.75 was 2.0, etc). I have the code for the C# class file for it, but want to make it in VB.
[Code]...
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Jan 18, 2010
I'm having a problem with a class issue in VB 2005. The error message reads "The class Tellerform can be designed, but is not the first class in the file. Visual Studio requires that you use the first class in the file. Move the class code so that it is the first class in the file and try reloading the designer again."
Imports
System.IO
Imports
[code]....
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Nov 20, 2011
I create a project using query sql ( Select, Update,Delete,Insert ) in many various way. example by Select with condition ..etc someone work in programing field. tell me that you are not profession in using vb.net , because you have to use OOP instead all of these Sql query. because if you want to make any update on your program after start to work on the Pc you will open your project on design and change the code. but in OOP you will make update on class and then put it as DLL file in the file of program.
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Mar 15, 2012
I have a VB program that writes a batch file to allow me to run a line of the following format:java <my class file> [options]I then run the batch file using the Shell() routine in VB.When I do this it says it cannot find <my class file>. However if I run the same batch file from a dos prompt it works.why it works in a dos prompt but not in the Shell function?
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Dec 16, 2009
If Class X is within the scope of Class Y, is X a subclass of Y?If Class A is a sub Class of B, then is Class B considered a super class of A?if Class C inherits Class D is Class D a superclass or parent of Class C?if Class E extends Class F then we can consider Class E a child of F?if Class G inherits Class H and is within the scope of Class I then who is the parent of Class G? Classes that inherits Class J and classes that are within Class J are all sub classes of Class J?
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Apr 15, 2010
I have put this code in the global form Inherits System.Windows.Forms.Form. And then in the form that will inherit this from the global Inherits MenuStrip. "MenuStrip" is what the global form is called. But keep getting this error: Error1Base class 'MenuStrip' specified for class 'Lesson2' cannot be different from the base class 'System.Windows.Forms.Form' of one of its other partial types.
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Jan 15, 2010
I have 2 forms. In form1 i have a textbox called TextBox1 In Form2 i have another textbox called TextBox2.
I want the text from textbox1 to textbox2, i tried this.
TextBox2.Text = Form1.TextBox1.Text
Do i need to make changes to the first textbox?
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