The PrintDocument Control - Organize The Records In The Leaves
Mar 7, 2012
My report document...Print. I have a code to organize the records in the leaves, but when a records pans more than a line that belongs to the same registeris dependent not displayed correctly..
Well this is the result that I own:
Private Sub PrintDocument7_PrintPage_BeginPrint(ByVal sender As System.Object, ByVal e As System.Drawing.Printing.PrintEventArgs) Handles PrintDocument7.BeginPrint
array7 = base7.relatorio_Imovel_Cadastrados
[CODE]...
[URL]
This is what i need: [URL]
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Apr 11, 2012
I'm trying to trigger when the mouse leaves the form, but I don't want to trigger the mouseleave when its over controls; as it is doing at the moment. Can you suggest ways to keep triggering the mousehover over form while on controls? but mouseleave works still when the mouse leaves the form (not when hovering controls) ?
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Sep 29, 2010
I have a form where I want buttons at the very bottom edge of the form, with no gap to the border. These buttons shall be "auto-hide", so they only show when the mouse is in for example the lower 20 pixels of the form. So I use the MouseMove event to trigger this, like code below. However, if mouse leaves the form across the bottom edge, where the buttons are, then the buttons will obviously remain. But I want them to hide. So I need for this purpose to hide the buttons by some other event. Hence I try to hide them in the form's MouseLeave event. But this makes the buttons unclickable and in an erratic state, flashing on and off when the mouse goes over the button..
Private Sub ZgScale_MouseMove(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles MyBase. MouseMove
If e.Y > Me.ClientSize.Height - 30 Then
Button1.Visible = True
Else[code].......
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Jul 3, 2007
Basically, we have an application which batch creates a large amount of files (pairs of PNG plus ASCII). The file count can exceed the one million.The first time the application ran the results were quite disappointing. The files get stored in folder structures of maximum 2000 files per folder. The tree depth gets only to two levels (root + packs folders). So the results would be stored in folders like "pack1","pack2"..."packn" each containing no more than 2000 files (1000 pairs in essence).
So getting back to the results, what happened was that although the application reported over 1.4 million files written, the results were that files were missing from the filesystem and others were corrupt (PNG cant be read and ASCII were blank filled with spaces).The speed that the files were written was not anything great (about 7 files per sec) and the total size ranged from 160K to 1.5M (rarely). The PNG images are 2000x2000 in size although I doubt it has anything to do with my problem.
Everything is done in pure .NET (image and ascii generation).The OS that has been tried was Win 2000 Advanced Server, Win 2003 Server plus XP Pro. The hardware ranged from Dual Core Workstation to high spec servers. The irony is that on the XP system the number of corrupt files was quite low where on the other two all hell broke loose. There were event logs written stating Event ID 2021 on the Win 2000 system and Paging faults on XP, which lead me to the next approach.
We wrapped the code to do an Application.DoEvents every second and refresh various statistic UI components. We obviously added Stream.Flush().Plus we added code to check the files (re-read them) once they are written. Even added "WriteThrough" option to avoid the OS cache! The result was stuggering as no errors were report yet the NTFS table again got corrupted!Now we inserted Thread.Sleep(100) after writing and then reading to confirm the file. Obviously this is slowing down the process but hope to have more stable results.
Reading and article about Event ID 2021 we saw it was suggesting to modify registry values, but the IT dep did not wish to accept this as they believe it is an application error.In pseudo code, here is more or less what is done:
<try>
<Create Image in memory>
<Open stream to filesystem>
[code]....
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Aug 15, 2011
I have an auto generated class file whit many partial classes (auto generated from an xsd schema). I use VS2010 and VB.NET.[code]I'm developing a part of and business application. The application is used for registration of persons data, invoicing, accounting, and so on. The part I'm developing is a reporting system to the authority via wcf services. In my part I will use VB.NET but the other parts of the system are developed in VB6. We use an SQL server and nearly all the business logic is located at the server side. Because I'm used to use VB6 its difficult to grasp all the OOP things I need to remember to write the code as it should be. In my part of the application I get an xsd schema from the authority and auto generate my schema class file from the xsd file with xsd.exe. I see that it's a much better solution that you suggest, but when I looked at my auto generated class file after reading your answer I see that every partial class has a MyBase = New line in the constructor.I can use this in a way, like you suggest? Sorry for not understanding this earlier! If I understand the behavior of MyBase correct, I can write [code]how should I generate the xml based on the xsd? I want to do this for multiple xsd schemas. Isn't it the a good solution to deserialize the xsd (with xsd.exe) to a class, create object of that class and populate it with data, and then serialize the object back to xml?
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Sep 14, 2011
A form has 10 textboxes,The form receives data,based on the data received some texboxes are visible or not with the .Visible Property. lets say for example, 5 textboxes are invisible, the other 5 textboxes will be visible and there will be some space between textboxes and it will look weird.for example in this image:I want to organize the remaining textboxes, so it would look like this:
which textboxes are visible or not can vary, it could be the first, second or fifth, or the last four, etc. So, how can i organize the remaining visible textboxes?
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Mar 19, 2010
I want to make it so when someone places the mouse cursor inside the form the opacity is 100% but when it leaves then it drops to 75%. This is my code:
Private Sub Form1_MouseEnter(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.MouseEnter
Me.Opacity = 100%
End Sub
Private Sub Form1_MouseLeave(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.MouseLeave
Me.Opacity = 75%
End Sub
The forms default value is 75% and it works fine when I mouse over. However when the mouse leaves the opacity doesn't drop. What am I doing wrong?
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Dec 21, 2011
I'm working on a program, just to learn a bit more about programming. The program's function (if I manage to do it) will be to accept drag/drop files and create a link to them within the program itself. For example: I drag and drop the .exe to a game I have installed; the program then creates a shortcut within itself; the shortcut is displayed in the program with the name/icon; if I click the icon within the program, game launches.I've already manually coded something to this same effect, but it doesn't automatically add new shortcuts/buttons so I have to keep going back in and reprogramming another button every time I install a new game/program. I'd like to be able to just drag/drop and be ready to go. Any ideas on how I can get this function? I'm using Microsoft Visual Studio 2010.
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Apr 11, 2011
I have been brought onto a project where a large amount of code has been written. Most of the code is appearing in the MainWindow.xaml.vb file (yes, this is a wpf project but I think the question is appropriate for this forum). The folks who developed the previous versions in Visual Basic 6 told me that they organized their code by using Modules. I was not aware of this practice and I have actually never even used modules. Can I use modules in this way so that I can logically group different areas of functionality within the application? Or is there a more preferred method?
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May 4, 2010
I have created a table in a dataset and inserted data through for...loot statement. but i want to sorting or ordering data on a particular field. How it to be possibel please give some tips.
In addition to that when I add column in a table I mention only column name, but I can't maintion field type or data type. when I mentioing it gives a error. so only I have had to work on only filed name.
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Jun 28, 2011
I need some help with how to organize classes in VB.NET. I have a class called parent with methods for adding, deleting etc. But I also need a method that returns a list of all the parents, a list with parent objects. Where do I put this method? Do I put it in the parent class or do I need to make another class called parents?
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May 11, 2009
I'm writing a VB.NET program (VS 2005) that reads data from an XML document and writes it into a column in an excel spreadsheet. It's working fine, except for the following: after the first run, all the data appears as expected - for example
COLUMN
a
b
[code]......
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Jul 22, 2010
I've got several pretty massive dataset's with a lot of tables/relations in each.I've came in this morning and one of the datasets has sorted itself into a very readable Vertical form with all relations and tables displaying perfectly readable.Is there a command to "Arrange" the layout of the tables?
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Sep 12, 2011
I am reading in part information from a CSV File. When I read the data in, I have a display form/window that displays the data as:
"D159483,172 Cylinder,9/12/2011,2:38:53 PM,,Brian,30,6"
I would rather have the data look like[code]...
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Oct 18, 2010
We have an ASP classic ERP (very large application) that we want to rewrite using ASP.NET. I am looking for a way to organize the application so we are going to be able to separate every program / webpage (over 400) from each other. Every program needs to be independent because many developers will work on the project at the same time.Visual Studio seems to make a DLL for every assembly so I was wondering if it's a good idea to make a huge solution with one project per DLL.[code]This way, we would be able to deploy every program separately without altering the others. We would also have over a thousand DLL to manage...
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Dec 25, 2010
I'm thinking of using the treeview to organize my text file. My text file looks like:
0|app1|Z0
1|app2|A1
2|app3|B2
And, the list goes on. I think i should be able to organize this with split command. But I also i have checkboxs on my form. If for example the user unchecked the "app1" then i want only "app1" to be unchecked from the listview, and removed from the text file. The question is how could i remove that specific value from the text file.
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May 6, 2011
I am trying to write code for a login to my program. But the code I have written freeze's the screen. Basicaly I want to check if username (TextBox1) has text in it and then check if password (Textbox2) has text in it. if either textbox has no text then a MsgBox show's with an OK Button. and then I dont want the program to run. I want The login form to reload so the user can insert thier username & password. the code I have is below.
[Code]...
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Feb 23, 2010
I'm trying to create a program that will manage and organize my music (mp3) files. So I used a ListView (SongList) to show the files that are in my music directory. Then I'm using a class found online to get the Title, Artist, and Album. Then it will insert it into the ListView and assign it a tag with the same value. But then when you hit the button to start the organizing the real problems start.
What it is suppose to do is check if the chosen directory exists then if it does it will create a folder for the artist of the song it is processing then a folder for the album then copy and rename (title) the song into that folder, then move onto the next song. But when it tries to create the directory it says there are invalid characters but there aren't. Also for some reason it wont put the Album name into the string for the directory???
Heres the function used to do just about everything:
Code:
Function CopySong(ByVal SongPath As String, ByVal SongName As String, ByVal SongArtist As String, ByVal SongAlbum As String)
If System.IO.File.Exists(SongPath) = True Then
Dim RootDir As String = "C:UsersCalebDesktopMusic"
[Code] .....
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Nov 18, 2009
I am developing a Windows application that reads from a database and creates a total and subtotals for the records in the database. I am supposed to include a Try...Catch statement that reads the records in an Access db table and adds an item to the ListView control for each record. Each field in the record should be added as a column in the ListView control.
I have already gone through and created my Form_Load event that creates the columns needed in the ListView. I have created the beginning of the Try...Catch statement that opens the database connection. I do not know the syntax I should be using to add the record to a ListView control.Normally I would use something along the lines of to read the data:
[Code]...
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Oct 18, 2011
I am a newbie to the .net developing world. i want to display a set of records on my asp.net page.
On a grid control (gridview, repeater etc), I want to display the list of sales people and the clients that they represent. This is how it needs to look on my asp page:
Employee ID: 123456
Name: John
Last Name: Smith
Email: johnsmith@abc.com
Phone: 201-123-4567
[Code]...
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Nov 27, 2009
I'm trying to use listview control in vb.net or vb2008 express edition to display records from my database after it is being queried.I have two column headers in my listview control which are named Account# and Authorized Users. I was able to display the records from the database into the listview control but i don't know how to arrange it in a proper column where it should be displayed cause what happen is all records are being combined in one column which other records should be aligned to the other column.What I want is to display the account numbers in aligned with the Account# column header and the names should be aligned in Authorized Users column header. Here's the codes I used:
[Code]...
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May 8, 2009
I am trying to update a databse using a grid control, I've enetered multiple rows in the row and tried to save the data, unfortunately I'm only saving the last row entered, is there a way to save all the rows entered using this approach?
Dim ConnectionString As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=|DataDirectory|aop29.mdb"
Dim objConnection As New OleDb.OleDbConnection(ConnectionString)
Dim sql As String = "Select * from Customer"
Dim daaop5 As New OleDb.OleDbDataAdapter(sql, objConnection)
Dim ds As New DataSet()
[Code] .....
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May 8, 2009
I am trying to update a databse using a grid control, I've entered multiple rows in the row and tried to save the data, unfortunately I'm only saving the last row entered, is there a way to save all the rows entered using this approach?
Code:
Dim ConnectionString As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=/DataDirectory/aop29.mdb" Dim objConnection As New
[code]......
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Sep 18, 2009
I am making an application that will organize the movies and their release dates for me and that it will notify me whenever a movie is released. So far I have the layout almost done with some parts missing.
BASICS
1. At the top as you can see I want the text to display the current day and having the tool tip to say "Today is Tuesday 19, 2009" while I want the text to be centered.
2. I want to have a poster with a specific size (dimensions) that will be displayed when the movie is selected at the data grid and I want the buttons to be able to select the previous or next data grid line, meaning next/previous movie.
3. I want to make the buttons either check all the boxes or uncheck them all. And I want the validate button to be able to compare the date of the selected movie with the current day and tell me If it was released today or not.
4. I will make a menu at the top that will be giving you the ability to add movies or select and delete movies, while when adding being able to specify a poster for the movie.
5. I want every time that I run the app to automatically check the dates and either ask me to remove those who have been released some time ago or give me a message like "Movie was released today".
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Aug 1, 2009
I need a source code for filling SQL Table rows in a datagrid control using MFC programming in VC++. [url]...
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Aug 1, 2009
I need a source code for filling SQL Table rows in a datagrid control using MFC programming in VC++.
[URL]
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Jan 20, 2011
I am using VB.Net 2010, and when I run the following code, I get System.Data.DataViewManagerListItemTypeDescriptor displaying in the dropdownlist box
cmbProdType.DataSource = ds
cmbProdType.DisplayMember = "ProductType"
cmbProdType.ValueMember = "ProductCode"
When I hover over the datasource, I can see the correct records. But its not displaying in the dropdownlist control.
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Jan 31, 2010
I have a project with 150 (i counted) Items in the "MainProject Components" area of the toolbox panel.These 150 classes are mostly database related objects like table adapters, and datasets that i hardly ever use. I also have about 10 custom classes that i use often.When i need to access the toolbox, I have two issues that i would like to resolve.
1.How do i organize the toolbox to separate my custom controls from the table adapters and datasets?
a.I have created a custom tab within the toolbox.
b.I have dragged and dropped my controls into this new area.
c.All is well until I exit my program and re-open it. Voila they're all back in the MainProject Components" tab.
2.How do I force the IDE to instantiate the toolbox panel as completely collapsed?
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Jul 5, 2011
I have this database and I need to load it with a visual basic form in Visual Studio 2005.The database has 6 tables and they contain wrong data that I must filter when loading the database in the form.
A quick example:First table is Category, which has 3 fields (id, name, description). In one record I have 2a for id (a numeric only field) and in other record I have m1lk for name (a string only field).
When I click a button I load the database into a DataGridView control. How do I stop visual basic from loading into the DataGridView control those records that have invalid data (like in my example).
I have try with SQL queries using WHERE and LIKE, like in
SELECT IdCategoría, NombreCategoría, Descripción
FROM Categorías
WHERE (NombreCategoría LIKE '[!l]%') AND (IdCategoría LIKE '[!abcdefghijklmnñopqrstuvwxyz]')
but it's really difficult to filter things like Angel* and P3ter and Hood8, all at the same time..
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Sep 5, 2011
I want to load 2 crore records in a treeview control with parent child Hierarchy order
for example
- Groupa
- a1
- a2
[Code[....
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