I am trying to dispose of a form in order that I may recall it later. But for some reason it is not being disposed.
Dim anything As Boolean = False
frmMoreThan5.Close()
frmMoreThan5.Dispose()
[Code]....
i want to add new database item to create new account at login form using database access file.the new database item can save and update. but, it cannot recall the new item..[code]
View 6 RepliesI looked at the Dispose() method in System.Data.SqlClient.SqlTransaction (using a decompiler):
[Code]....
Why does everyone say in forums that it is Rolling back in the dispose? Where does it rollback?
As example, I login in to the system ad...But how can i use the session function to recall the current applicationid?Which I need to store in form and to the other table of database..Behind code.. vb not c#
Example..
1. Login with the session fix (userid) in virtual studio..
2. I wanna recall it out (userid) .. How !! Problem 1
3. Fill the (userid) to other table in database. That Y !
4. Grid view data show with specific (userid) only.. in session !! Problem 2
Quote:
Originally Posted by kaliman79912
Quick note: Close does not dispose of the form if it was displayed using .ShowDialog, but I guess this is not the case.
I did not want to hijack the other thread [URL] but would like to have this clarified for me.
I attempting to dispose / close a startup form from a sub. Basically, I using the filesystemwatcher to watch for file creation, if the file is created, run some code and close the form.how to pass in some reference form. Using and new to vs2008. A bit of leap from VB 6.0.
Imports System.IO
Public watchfolder As System.IO.FileSystemWatcher
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
[code]....
I am using VB.NET (Visual Studio 2008) and thus .Net framework 3.5. I have developed an application which has a MDI form and then has several other forms, most of which are shown using form.showdialog and some set of forms are shown using form.show.Whenenver a form (shown using form.showdialog) was closed (usually by clicking on a button (OK or Cancel)) I wrote code Me.dispose. After careful testing and R&D I figured this caused flickering on the screen. There use to be a flicker on the screen and it looked weird.In some rare circumstances if I clicked on button and form closed using me.dispose the focus of application was lost and some other program that was running came on focus. (This has happened but was rare.)Now the reason I used disposed was that after a form was shown using .showdialog I didnt want its contents to be in memory so I used the .dispose thing. But I noticed that If I use form.close then there is no flicker and form closes fine. But I think that would not dispose the form from the memory.
What should I do so that form closes and is disposes as well without any flicker.?I read on net that for forms shown using .show it gets disposed off automatically the moment it is closed (by using me.close) or user clicking on cross. Is this true? I also think that If I call a form using showdialog then I can write formx.dispose from where I am calling and not in the form itself.
I have a MainForm which has tab Control and several independent form. I open each Individual From in the tab of the main form. A "Close Tab" button on the MainFrom closes the current tab, its implementation is below.
This closes the current tab but what I also need is to dispose the From whose tab is closed but I am not sure how to get the instance of the form.'[code]...
I am using VB.NET (Visual Studio 2008) and thus .Net framework 3.5. I have developed an application which has a MDI form and then has several other forms, most of which are shown using form.showdialog and some set of forms are shown using form.show. Whenenver a form (shown using form.showdialog) was closed (usually by clicking on a button (OK or Cancel)) I wrote code Me.dispose. After careful testing and R&D I figured this caused flickering on the screen. There use to be a flicker on the screen and it looked weird.
[Code]....
I am using Vb 2008 Express Edition. I have only 1 form with 10+ arrays. My app runs a few calculations and finally plots 2 graphs. The first time I run my program, everything works fine. But when I run my app with a new set of data it gives me the wrong results. Is there a way I can force my form to reload itself and act as if its running for the first time? I know I can do an Application.restart. But I don't want to restart my app every time.
Me.Refresh() doesn't work, as my form still seems to remember my old data set (array)
i have my main child form open. then i show the new form:
[Code]...
but when the form opens it flickers a lot. so i want move the new form behind the main form while it loads so the user does not see the flicker. once it is done loading i will set the form to topmost. how do i move the new form behind the main form?
<System.Diagnostics.DebuggerNonUserCode()> _
Protected Overrides Sub Dispose(ByVal disposing As Boolean)
Try
[code].....
I'm trying to fix all my project warning according to Microsoft code analysis (CA:XXXXX) One of the warning is "CA2000: Dispose objects before losing scope" My Code is:
[Code]...
Is there a way to have a form within a program that doesn't dispose when you close it? I have a form in my project and a menu item to show it. When I declare the form globally and show in menuItem.click, then the click event breaks because the form no longer exists. When I declare the form within menuItem.click, then this creates a new form every time I click and that's not what I want.
View 1 RepliesI would like to know the event order of form which is executed while opening form. I am showing my form using following code and the code in form_load event executes twice. Once when the form variables are initialised and second when form is displayed. I want it to execute once only. form showing code:
[Code]...
I have a user control that inherits the FW ListView and I need to dispose of two objects when the form's disposing of it's objects. Here's what I've concluded already, am I on the right track?
[Code]...
I am trying to create a program to order pizza what i have is a textbox to input the customers name, i have a masked textbox for the phone number, a group of two radio buttons for pick up or delivery with if delivery is selected a rich text box appears to input an address, a group of 3 radio buttons for pizza size s,m,l and then also a list box with 10 items for toppings what i want is when i hit the order button for the selected buttons and inputted info to generate a order summary on another form.
View 1 RepliesI am trying to create a program to order pizza what i have is a textbox to input the customers name, i have a masked textbox for the phone number, a group of two radio buttons for pick up or delivery with if delivery is selected a rich text box appears to input an address, a group of 3 radio buttons for pizza size s,m,l and then also a list box with 10 items for toppings what i want is when i hit the order button for the selected buttons and inputted info to generate a order summary on another form?
View 6 RepliesI am trying to conduct a research experiment using a psychological measure. Basically its a bunch of words and you need to specify a value for (1-5). So, what I did was take a numericupdwn box and a label and paired them up using a panel. I did the same thing for 19 other sets. I placed each one carefully on the grid, nice and neatly, however I need to randomize the order of how they are arranged.
I spent hours trying to figure out how to set the location point for a panel. But to use variables through a random number generator, is simply too difficult!
[Code]...
i want my order id to be autoincremented and stored in textbox and when i hit click, it gets stored in datagridview, so i can save my order in bulk from datagridview again.
my code have some issue
'i put this on formload (order page)
Dim order As String
Dim leftinv As String
Dim rightinv As String
[Code]....
also i would like to know THE CODE TO GET THE LAST NUMBER added to orderID field in order table.
in my add button code, i take the value of txtOrderID.text for the orderID column value
I have a combo box bound to a datasource. I need to change one combo box (of many) to order the items in descending order.I'm guessing I could order the collection in the dataset, but that will mean all my combo boxes will be reordered?
View 2 RepliesI have a databound Datagridview. The DGV is bound to a datatable of a strongly typed DataSet created using the wizard. Is there any way to re order the columns before displaying them eg: the Columns are displayed in the DGV in this other Col4, Col6, Col3, Col1,Col5, Col2
But I want to it to show as Col1, Col2, col3, Col4, Col5, Col6?
I realise that the display order followed the Column order in the database table and by extension, the datatable. I have re-arranged the columns in the Database but the Datatable still retains the old order.
My form contains a datagrid and a checked listbox. The listbox is populated on the form_load event. There's a function called when the datagrid's SelectionChanged event is triggered that modifies the checkmarks in the listbox. It all works fine when I manually click on any item in the datagrid.
However, the very first time the form runs, the checkmarks are not affected, even though the first item in the datagrid appears selected. I discovered that this is because the actual listbox is not yet populated on the form at the time the very first SelectionChanged event is triggered. So when the function tries setting the checkboxes, it doesn't get anywhere, since it doesn't see any items in the listbox.
Somehow the datagrid is getting populated, even before the form_load event is triggered. I need the listbox to be populated before the datagrid is populated, but I have no idea how to control this.
This might not be so 'VB' as it is 'SQL using VB' I have an application with a built in MS Access DB. I have a table that has a column full of integers, I shoot the DB a SQL "order by 'column name' " string and it returns the table ordered by my column of integers.BUT it returns them like this, and I want them like this
0 6
1 5
2 4
[code]....
How do I get the OrderBY to do a descending list starting with the highest number?
I'm working on the exercise page 73 (VB 2010 in 24 hours). It's basically a form with 2 text boxes, 2 text labels and a command button. It's really simple and uses this loop to cycle through the items, and tell me the name of them in a Messagebox
[Code]...
I`m make program for order form, I use order form code with name MR/IR/001, when I start Program It`s fine but when the order form code get MR/IR/999, It`s Stuck and won`t get increase the number, I want it the order form code go to MR/IR/1000, MR/IR/1001, MR/IR/1002 until 5000 how to get code work,
THIS THE CODE USING VB 2008 and database using MS access 2007
Dim strTemp As String = ""
Dim strValue As String = ""
Dim sql As String
[CODE]...
I have a DGV.It has some columns.The columns are in the correct order e.g. 1,2,3,4 at design time.When I start debugging and then come back to VS, the order of the columns have changed and I have to put them back in the correct order everytime.After some testing I have realised it only occurs if
1) I make a change on the form that holds the DGV
2)Leave the form open in VS while I play the application ie. debug.
I'm making a printable Purchase Order form using Crystal Report. This report retrieves data from two tables. Example, I have fields PONumber,DateofPO,Airline,DateofFlight,ETA,ETD from a table called tblFlight. I have fields PassengerName and Rate on another table called tblPassenger. Each PONumber can have multiple passengers. How can I get it so that I'll just be generating one PO that shows the multiple passengers while the rest of the items show only once? I've placed the PONumber and DateofPO on the PageHeader and the rest of the items on the Details section. But right now, on the Details section, if I have 3 passengers, the other fields also show 3 times on the report. Also, I'm considering to make a query but I have a conditional statement on my query, a WHERE clause that retrieves data dynamically. My problem is I'm not sure where to put the query, will it be on the .rpt or just on the Form? NOTE: I'm coding my SQL queries on the application itself, not inside the server, so no stored procedures/functions for me here.
View 1 RepliesIm trying to build an order form application that pulls information from a msaccess file.The form has 3 Textboxes labeled 1,2,3 etc//The first one is a product code, the second a description. i would like to be able to type a product code into box1 and on pressing return it populates box2 (the description).
View 2 RepliesIm trying to build an order form application that pulls information from a msaccess file.The form has 3 Textboxes labeled 1,2,3 etc.The first one is a product code, the second a description. i would like to be able to type a product code into box1 and on pressing return it populates box2 (the description).
View 1 Replies