VS 2010 Accessing Group Boxes From Multiple Forms
Jul 23, 2011
I have written a code and tried linking up groupboxes from my input form called input.vb and the output form called results.vb.
[Code]...
I have used the above codes to access groupboxes from both forms. However, at run time I get errors saying "InvalidCastException was unhandled" and below that it says "Conversion from string to DOuble is not valid". This error points to a value in a group box that is actually hidden or disabled.
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Jul 25, 2011
Is there a better way to make a form with multiple buttons opening different things than having a form that has lots group boxes for each tab. So in the begining each box will be invisible and when you click the button the corresponding group box will become visible. Is there any other way?It will be like a background image and it'll have buttons that will mask it with invisible buttons. when the button is clicked it will open the corresponding group box.
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Aug 28, 2008
I don't know the best way to use multiple forms in VB, but I have created a problem and I'm not sure where it came from or how to fix it.
Background: I start the program at Sub Main. This is the main function:
Code:
Module modFunctions
Dim frmD As frmDAQ
Dim frmT As frmTrendView
[Code].....
it works, but I don't want to have to change the entire project.
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Oct 21, 2009
I have to make some automatization on a web server, I use Visual Studio 2005 Visual Basic Windows Console Application. I want to make a load/performance test of the web server, so I open several Internet Explorer instances, and I login the application, that is not a problem. But after that I have a mess on the page and I cannot make any more automatization...The composition of the page after the login is like this: I have the default form, another form and a multiple data window(mdw) controller, which dinamically can switches the forms on this part.
The problem is that I don't know how to access the controls of this mdw forms. I couldn't find much about this mdw controller and I am not an expert.
My code is here:
Imports System
Imports System.Diagnostics
Imports System.Web.Ui.Webcontrols
[Code].....
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Apr 7, 2010
I have 7 textbox's.
Names are
textbox1
textbox2
[code]....
I need to do
For i = 1 to MyVar
textbox(i).enabled
next
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Aug 29, 2010
Am currently piecing my programm together and working on structure. My plans will have me running multiple forms,and my question is this. When I have ,say ,on form1, a "TextBox1" and on another form a TextBox with the same name,will I have conflicts when I access data across forms. Should I be taking care to make sure textboxes and buttons names aren't being repeated,or will VB know what I want?
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Dec 25, 2011
I'm looking forward to reading and adding more to the community here. I've created a text based rpg. Next semester we are learning Visual Basic. I'm on winter break and I would like to get a head start on my learning. I've been working on creating some forms and message boxes. What is throwing me off, is that I have a good feel for doing coding so that I get functionality the will produce effects in a console. Coding the forms is a bit confusing for me. Is this something that others have run into? Is their some good primers for VB? I don't have my text books yet.
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Jan 15, 2011
I am trying to find a way to show a large amount of data that spans across multiple forms and text boxes. I am making a somewhat summery of the input strings.
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Jul 15, 2011
I have written a program in VB 2010 that dumps documentation info into an Excel file. Basically, the Excel file is a log file that keeps track of revisions for design drawings at an engineering firm.
There are approximately 20 people that have access to this program. However, I've run into issues where multiple users may be using the program and trying to send info to the Excel file at the same time. The Excel file is set to read only. My program opens the file with write access, and dumps the info into the appropriate cells, then closes the file. If one person is in the process of using the program, it causes an error with another persons system if they try to use it at the same time.
In some cases, it causes my program to crash, and it leaves the Excel file open on someones system.
Typically, my program would only have the Excel file open for a couple seconds. So, the issues mentioned above are rare, but they do happen.
I'm looking for ideas to prevent this issue from occuring.
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Mar 6, 2011
so i have this data grid, which i wanna search , base on specific criteria from two or more text boxes; eg a user wants to search employees from karachi, so they enter karachi in the first text box. now they want to search employees from karachi whose status is permanent, so they enter permanent in the second text box, and the data grid shows employees from karachi whose status is permanent.
For search from ONE text box, i have used the following code :
Private Sub TextBox1_KeyUp(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox1.KeyUp
If TextBox1.Enabled = True Then
[Code]....
im no champ at vb, i just started some 7 days ago for my computer project, so ill really need to be spoon fed the details :|
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Apr 10, 2011
I have three Columns of text boxes and I need each column to be added up and displayed in a text box directly below each column with out using a button. The program is a cash counter I already have the code done for multiplying, for example txt1.text = txt2.text * 0.01 (not the exact code) anyway the totals from these is displayed in the columns I was speaking of. I tried the same method I used for multipling but that doesn't work.
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Jun 4, 2012
i am very new to VB and have been trying to make a hangman game. I was wandering if there is a way to add multiple label boxes to a form based on the size of an array. For example a user inputs the word h-e-l-l-o in a input box that word is then split and put into an array(arrword) then i want the main form to appear with 5 label boxes each one containing a letter that from the array(arrword)
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Jul 5, 2011
Im trying to make a program that allows the user to view additional information via moving the cursor over the label to view (make visble) additional information, in the form of text boxes and/or picture boxes. How will i go about doing this?
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May 9, 2012
I have a groupbox with 12 checkboxes(containing months of the year). I need to calculate and display the value in a text box.
For example if one check box is checked then on clicking the button calculate, it should be able to display the value 500 in the text box, if two checkboxes is checked then the total should be 1000, if three check boxes then total should be 1500 and so on[code]...
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Feb 24, 2010
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.
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Apr 26, 2009
The other day I needed to know how to handle a group of form items in one function, specifically speaking I needed to uncheck all ListBoxes in a group of a MenuStrip when any other was checked. Now I need something similar, except this time it's just a group of check boxes on a panel. heres the code I used for the other purpose.
[Code]...
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Mar 26, 2012
I have a form that has group boxes of various controls for data input. One of the group boxes contains a user control. This user control can be 1 of 7 I have depending on the type of data I wish my user to load. The 7 user controls are all of various size. My form is a fixed size, and i have allowed room for the user control to fit the largest. However, the smallest one has a lot of space obviously. The resizing of the form itself I am struggling with. It has to be the size it is at now as there is a tab control,
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Jun 4, 2011
I am trying to change the button colors, in different group boxes,(Buttons and group boxes are in the same form). How can I change it?
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Mar 10, 2012
I am currently trying to allocate a number of group boxes dynamically. Previously (in other languages) when I have carried out something like this I have used the '&' to substitute the contents of the variable direct into the code I.E
For I = 1 to 20
Groupboxname = "GroupBox"+I
Weatherstates.&groupbox.controlls.add(obutton)
next
This would then have the result of creating a button in all the group boxes, however this does not appear to work in VB .net 2010
I have looked at Directcast, but i am a even more confused. Is there a simple way to substitute the contents of a variable into the code ?
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Nov 9, 2009
New user here using VB .Net 2008
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.
The .Top code doesn't seem to be working either.
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Oct 7, 2009
I put some group boxes on a user interface and now labels and pictures that are set to visible can't be seen even when the group box is set to visible = false. (I have the group box and the pictures and labels in the same place on the form and was planning on using buttons to make them visible and invisible but the pictures and labels stay invisible no matter what while being in the same place as the group box.)
Does anyone know why group boxes do a sound job of making things invisible and how to correct it?
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Mar 28, 2011
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?
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Jun 21, 2012
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?
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Aug 25, 2011
Im attempting to loop through all the text boxes inside of a group box, and add the text into a list box to later be written to a text file. Here is the code I am using.
Dim cControl As Control
Dim FILE_NAME As String = "Tester.efw"
Dim Group As GroupBox
[code]....
Now instead of locating only the text boxes, apparently it is still trying to identify the labels as text boxes, because I am getting this error:Unable to cast object of type 'System.Windows.Forms.Label' to type 'System.Windows.Forms.GroupBox'.
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Nov 15, 2011
I am trying to write a program that will have different group boxes,
each representing a question, and each one has radio button choices
I am trying to write the program so that a while loop will go through each group box and check answers of radio button choices
the codes I want to know is the command to access different group boxes
and also how to keep each group box "seperate" enough that i can use same radio button names for all the group boxes...
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Mar 25, 2011
It appears to me to be right but always returns true.
vb
Private Function ValidateAllFieldsAreNotEmpty() As Boolean
Dim groupboxes = Me.Controls.OfType(Of GroupBox)()
Dim textboxes = groupboxes.SelectMany(Function(groupbox)
[code]....
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Feb 3, 2011
I'm fiddling around with trying to make a sort of map/world. I'm using 16 x 16 pictureboxes named PictureBox1, PictureBox2, etcThe issue is that when I put the images into all the pictureboxes, I have to have a line for each picturebox (so say I have 100 boxes, I have 100 lines).The only difference in each line is the picturebox number, the rest is identical. I'm basically telling it to set that picturebox's image based on the number that a variable I've created has stored.I've got a game idea, and I'm just trying to figure out how to do the map. I want it to work like the old school RPG games like Dragon Warrior, or the more recent Dwarf Fortress. I'm still not sure if I want to use graphics or letters. At this point, I'm just trying to figure out how I can create the main screen where the user moves around. This is what I've come up with, as it works with what I know. I'm pretty new to this, although I've messed around with VB6 a lot.
Dim tile(30) As Integer
Dim tilelocation(3) As String
Dim x As Integer
[code]....
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Nov 28, 2010
So basically what I'm trying to do is write data from an XML file (a "save file") back into the form. My controls are in all different group boxes (makes it much easier for showing and hiding groups of controls dynamically). I thought about and am putting each control's Parent name into the file, but can't figure out how to get that parent name back into the DirectCast within a For...Next loop so it will actually cast the data into the control.
[Code]...
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Feb 27, 2011
visual basic 2008 express
access 2007 db
I am attempting to fill a form with multiple rows from an access table based off of a parameterized query. My query works fine but I don't want to return one row at a time, I want to return all rows that match my query in multiple text boxes. I know that I can use a datagrid view to accomplish this, but I would prefer the look of a textboxes on a form. I have read through many books and searched the internet forums but think I may just not know what to search for as nothing has worked yet. Can anyone point me in the right direction. So far I have tried setting the text box value to the row().item(), creating a different dataset for each row, and even setting variables for the results of the query to then be passed to the text boxes. Since none of this work, I don't really have any starting code to post. If I could just get a starting point I could work from there, so don't feel the need to code anything for me, just set me in the right direction.
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Dec 1, 2011
I made a calculation in one form using 3 textboxes. (I entered one number and multiplied it by another and got the answer in the third textbox.)
I need to bring my answer I got in textbox 3 into another different form later in the project.
how to do this? Something to do with a Module ?
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