Passing Command To Other Form
Jan 17, 2012
I have simple app with Form1, Form2 and Form3. Form 2 is being opened with button form Form1. Form3 is being opened with button from Form2. Form1 is startup form. I can call any public sub on Form1 from Form2,(using on Form2 command "form1.mypublicsubname". If I try to call public sub on Form2 from Form3 nothing happens. If I put simple Msgbox "Hello" in public sub on Form2 and I call it from Form3 I do get Msgbox saying Hello. If I put in same public sub something like me.mydatagrid.refresh nothing happens. Also if I try calling me.mydatatableadapter.fill nothing happens. I guess it has something to do with invoke but I just don't know where to start.
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Dec 15, 2011
I am a beginner using Visual Studio Express 2010 to create a small console app to use as a utility accompanying another primary app that can pass a command line to the utility. I would like to set it up so that the utility will not run independently but only run and load its only form (Form1) if it is launched by the primary app using a "/run" command line parameter. (I can set up the primary app to launch and pass a command line parameter. I need help with the utility's code.)
The utility already has some VB code, so I need to figure out what code to add to receive and act on the " /run" command line and even more challenging for me, where to place this new code so it works.
pseudo-code:
initial event to read the command line, then if it is " /run" load Form1, else do not open and run utility app.
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Jun 21, 2012
I am trying to do a runas command but it will not let me pass all the variables instaead it brings up a command prompt asking for a password how can I wait for the command prompt to come up and pass the command variable to the console? variable I need to pass is aPwd
[Code]...
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Jan 19, 2010
I have a single instance database app that emails out notifications. I would like to add a link in the emails that when clicked would open up the app and go to the section of the program that its supposed to go to. I implemented my own URL protocol so that links starting with my codewords get passed to my EXE. So far so good. I then parse the URL and pull the keyword and identifier out to open that section of the program. So if a user clicks a link like this:
MyApp:LoadCompany?ID=323
My application will start, it will grab the arguments (LoadCompany?ID=323), pass this to my load company routine and then load up company ID 323. Works great.
Now the issue is if the program is already open I still want the links to work but since it's a single instance app it just closes the second app. How can I add something ot the app to watch for this or receive a message from the second app? I know I will need to check status of what I'm doing and make sure things are saved, check security, etc but I can get all that done easily enough. I've found some examples online but none really did what I wanted them to.
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Mar 31, 2011
I've got a program where the insert/update SQL was created with the values coded directly into the SQL string. I've changed this to use the Command's Parameters.AddWithValue method and all worked well. I'm now in the process of separating the data access code out into it's own class. I've got the Select code working using a DataSet in the form that I pass ByRef to my data class so it can populate or refresh it. My sticking point is in how to pass the parameters for the Insert/Update commands to the class since from the form I no longer have access to a Command object. Do I need to make the Command object in the data access class available to the form?
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Mar 11, 2010
I am trying to send a command to the external command line (cmd.exe) from the Windows form application that I'm writing in VB.NET (using VS2008).
I can only access the external program thru the command line (its not my program) and I must do so from a form app.
I am trying to use the following code. I am able to call a cmd.exe window, but I can't pass the command line my command.
Using mp As New Process
With mp.StartInfo
.FileName = "cmd.exe"
[Code].....
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Nov 26, 2010
I'm upgrading a project from VB6 to VB2008.I have a routine that clears a combo box, named 'cmbDataTable' which could be on any form. I pass the form and the combo box is cleared.
[code]...
I assumed it would be the same in VB2008 but I get the error.'cmbDataTable' is not a menber of 'System.Windows.Forms.Form'I am working my way through the project, first updating the global procedures - this is one - I haven't written the calls so cmbDataTable doesn't yet exist.
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Feb 1, 2010
This is what I have..Dim frmSettings As New frmOptionsfrmSettings.ShowDialog(Me)frmSettings is a settings form that you can choose the color for background of form1(Me)
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Aug 11, 2011
I am trying to pass information to parent form from modal form in vb.net winforms application.
1.) I created a copy of a form and displayed it using following code.
dim f=new frmParent()
f.show()
2.) Depending on conditions a button on frmParent opens a modal child form and asks for some informations. I used following code for that:
dim f = new ChildForm()
f.showDialog()
Both code works fine. When user press saves in child form i need to close childForm and use the user types values in parent form. I know how to close the childform but not sure how to pass info from childform to parent form.
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Jun 10, 2011
i am try to pass the text input into the text boxes in form ( OrderScreen) into the text boxes in ( PrintOrderScreen)I don't get any error it just does not pass the text over to the second screen.
[Code]...
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Feb 4, 2011
Im having a bit of a problem passing variables from one form to another. Oh and for some reason my saveing sub routine dosent work, i cant get it to save the file in text format.
Public Class DijkstrasAlgorithmFinal
Dim x As Integer
Dim Dijkstras(4, 3) As Integer
[Code]....
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Dec 9, 2011
I have a form with 2 dropdownlists and a submit button. I want to pass the values of the lists in a URL when the list is submitted but for some reason the initial value of the ddl is getting passed. Here's my code:
[Code]...
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Feb 10, 2010
I have a form which contain Two textbox control. When I passing the Form to Procedure the textbox controls of the form not getting say I am giving Exaple.
Code:
Public Class Myform
'This Form Contains Two Controls TextBox1 And TextBox2
'Calling the Procedure
[code]....
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Feb 11, 2010
I am in great trouble. I have a form which contain Two textbox control. When I passing the Form to Procedure the textbox controls of the form not getting say I am giving Exaple
Public Class Myform
'This Form Contains Two Controls TextBox1 And TextBox2
'Calling the Procedure
[code]......
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Sep 24, 2009
I have 3 forms, the form one is an intro, form 2 loads a user and form 3 displays a user. i use the streamread / writer to load values on form 2, then when successful it loads form 3 and the vaules are transferred perfectly, now to save time i changed the start up form from form1 to form2 (saves having to skip every time). so after having all the code load and transfer i wanted to see it in action and then the issues started.
[Code]...
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Oct 17, 2009
I have a 2nd form that is minimized to the taskbar, I can click on the tab and the form opens and shows all of the data fine, but
From the main form, I am maximizing the second form and trying to pass a value to a toolstrip textbox on the second form then press a button on the toolstrip from the second form, I can get this to work fine, but where I am having a problem is
The button searches through a treeview, when I step through my code, I can see the value that I am passing, my code does execute, but the treeview is showing no nodes(but they are really there). At the begining of the code, I put a message box to give me a count of the nodes in the treeview, it shows 0, but I can see all 10000+ nodes. What the textbox is on the toolstrip is a search box. When the form is maximized, I can enter whatever and it finds it with no problems, but if I pass a value it doesnt find anything because the treeview is saying there are no nodes when there is.
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Apr 28, 2009
i got 2 forms.there are 2 buttons in the 1st form and what i wan is,when a user click button 1,then will show form 2 will related data,click button 2 will show related data which is different with form 1.so far wat i get is,i oni manage to make when a user click button 1,then show form2 n in d form 2 there is another button to click n get d data...which mean i nid 2 create more forms...erm...u can say that i would like to make the form 2 to become a template...and send data into it.[code]i just wana make like i click button1 in form1,it will pop out form2 wit related data.
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Mar 4, 2012
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
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Nov 8, 2009
I have a form with 2 dateTimePickers and a SHOW button which gets data from an sql server database and displays it in a DataGridView. this works ok. I also have an EDIT button which brings up another form with textbox and comboBox controls displaying this one record. I want to be able to click in the DataGridView to select a Name and then click on the EDIT button to bring up the selected record. I don't know how to pass the ID as a parameter to this second form. Apart from that the EDIT button works, in the sense that I hard coded the ID (32 or 35 etc.) and it brings up the appropriate record. But how do i pass the selected ID. [Code]
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Jul 30, 2011
I have a DB with ~25,000 records that I keep in memory, and I need to pass one record to a second form for display.
code snippet follows:
Structure User
Dim First As String
Dim Middle As String
Dim Last As String
[code]....
The second form opens on second screen (Dual monitor) but I'm not sure what I did is correct. I have hit a wall on how to pass the single record from the structure to the form.
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Jun 22, 2010
i have a listview control on form1. I want to send the selected value to form2.
I tried couple of ways but nothing seems to work correctly.
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Apr 27, 2009
I am using Visual Basic 2008 for this assignment. I have a project that I am working on and I need to be able to use form variables across the entire project.
I have looked on other forums but no definitive answers.iI have declared variables as such Public StrV21true As String and "Public StrV21False As String
Now apon assigning a string to the variable with an If Then Else Command, I go to the next form expecting that the assigned variable will be available for use in this second form but to my dismay it tells me that the variable has not been declared and will not even show up in Intellesence. Like I said before from research on the net I am using the public class in Form 1 to hold the variables and am kind of expecting the public class variables to be available through all the forms in the project. I would really like to know how to do this so as I can finish my project for class.
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May 21, 2009
I've got a form in my MDI container. Lets call it Form1. I now want to show a dialog box (Form2) and pass the primary key from Form1 to Form2. Do i create a public function on Form2 called SetMe() or Do I create a public on Form1 And read from it? From a best Practice point of view, How would you go about it?
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Jan 15, 2010
I know in VBA you could pass an entire form as a varible. Since using global variables are not advised in .net 2008, is there anyway to do this ?
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Aug 31, 2011
I am passing 2 variables from form1 to form2. In form2 I want it to where it will filter my dataset according to the variables in form1, before it's displayed. In form1 it works, but when passing those values (JT & WRID1) to form2, it doesn't work.
Form1:
Public Class Form1
Friend JT, WRID1 As String
Private Sub ShowForm2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ShowForm2.Click
JT = Me.dgvWLog.Rows(dgvWLog.CurrentRow.Index).Cells("dgvJT").Value.ToString
WRID1 = Me.dgvWLog.Rows(dgvWLog.CurrentRow.Index).Cells("dgvWRD1").Value.ToString
End Sub
End Class
Form2:
Dim s As New Form1
Dim JT As String = s.JT
Dim WRID1 As String = s.WRID1
Me.DataSet.Form2_Get.DefaultView.RowFilter = "WT = '" & JT & "' And WRID1 = '" & WRID1 & "'"
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Oct 11, 2011
I am trying to develop a .NET class that updates a VB6 Form and its controls with various new captions (It is in an assembly that is COM visible).
I pass a VB6 form ByRef as an object to the .NET class and then update the caption etc on the form as follows:
Public Sub AddFormRefLegacy(ByRef objForm As Object)
Try
objForm.Caption = "some new caption"
[Code].....
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Feb 1, 2010
I have a Form1 with a query, and I want to display the results in a DataGridView in Form2, like this:
Form1:
VB
Dim Db As New DataClasses1DataContext
Dim Qry = From country In Db.Countries
Select country
[Code]....
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Mar 8, 2009
I hav a datagridview,which looks like this:ID
[Code]...
i doubleclick a row,lets say highlited row...then this row value should appear to another form which hav 4 textboxes ( id , name, marks and grade).
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May 25, 2009
I have a CheckingAccountForm and a CheckingAccount class. I have 2 variables AmountEntered and TotalAmount. The user enters an Amount and hits the calculate button. So now I send the AmountEntered to the CheckingAccount class where it is added to the TotalAmount and I have to send the TotalAmount back to the CheckingAccountForm so it can be displayed in a textbox. Can someone give me an example on how to do that? I get the AmountEntered to the CheckingAccount Class and managed to calculate, but not sure how to get the TotalAmount back so I can display it in the GUI's TextBox for the TotalAmount.
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Jul 30, 2010
I am returning to programming after a long absence (last real work done in VB5.0). I'm trying to do a small customer management project. I'm starting off with a DataGridView on one form showing a reduced number of fields. When the customer is selected a second form gives the full details. I struggling to find a clean way of passing the selected record to the second form. Both forms are using the same dataset.
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