CreateParameter Limitation For Binary Value
Sep 10, 2009
I have a jpeg file in SQLSERVER need to read and write into BLOB field in Oracle It is a ASP application using ADODB.Connection. I have created a stored proc contains simple insert statement.
When I call stored proc with passing parameters. CreateParameter is restricting length to 2000 bytes when I pass binary data (jpeg contents) more than 2000 bytes.
Code:
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set db1 = Server.CreateObject("ADODB.CONNECTION")
db1.CursorLocation = 3
db1.Open str_Conn
[Code]....
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Jul 1, 2010
I'm using Visual Basic 2008 Express and am having problems making an install.It has been suggested that the Express (free edition) only allows you to install only on computers that also have Visual Studio.Do I need the Full version to be able to distribute my application to a variety of computers?
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Feb 18, 2010
I have both Visual Studio 2008 Express Edition and full blown Visual Stuido 2005. I create a simple Windows form that connects to an Access Database on both IDE's. I use the built in controls that are automatically added to the form to SAVE, UPDATE, and DELETE, and TRAVERSE records when you drag and drop a column from the dataset to the form. HOWEVER, I find that on the express edition when I click "Save" the changes are not applied back to the database!?! When I do the project in full blown VS2005, the changes are applied.
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Jan 14, 2011
I have a slightly unusual application that is optimally designed by doing the following. We have an application that references a number of graphic sets for unique artwork utilization. The application is in HD and the graphic sets are a bit large about 20 megs per set. We have found that the optimal design for this particular application is to create a unique .Resources file per set, compile this .Resources file into a .Dll file using Assembly Linker (AL.exe) and reference the .Dll via the application and load the graphics upon demand or selection actually of this unique set within the application.
Question is this as I have been unable to find any data on this aspect.
Is there a limitation on the number and size of .Dlls that a VB .Net application can reference?
Specifically, we will likely have 20-25 unique graphic sets reesulting in 20-25 unique .Dll files of about 20 megs per .Dll. On our deployment boxes for the applications, we have 2 GIGs of RAM so no issue there.
Just curious if anyone knows if I am breathing down the neck of an inherit limitation within VB .Net 2010 by creating the above monster.
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Mar 3, 2010
how can i add a trial with random serials or single serial and once it get registered expire it after 6-12 months....and also if user change its clock time to some day back it remains expire.....
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Mar 22, 2009
I need to truncate to sertain amount of decimals for example : dim x as double;x= 6.98455 textbox1.text = x that mean textbox1.text= 6.98455 I need textbox1.text= 6.99
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Dec 16, 2009
I am writing an app that includes the use of a NumberUpDaown control. I just stumbled onto what seems to be a 12 bit maximum limitation (FFF,4095). I've set the Maximum properties for 16 bits, 65535, but still see a 12 bit limitation. I suspect this is a MS limitation but I've found a description of this control which states it should be good for 16 bits.
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Nov 20, 2011
Is there any kind of limitation on UFL Dlls that are being used on crystal reports? Such as connecting to webservices, using interops, etc?
the UFL dll is working fine, once i started debuging it i noticed that i could not call the webservice, not even create an instance of the SoapClient.I did test the SoapClient from an Exe and it did work fine, just not inside this dll.
[URL]..
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Feb 14, 2012
I am working on a program that takes a present value, multiplies it by an interest rate (between 1 and 25 percent), multiplies the resultant answer by a specified number of periods and produces a listbox breakdown of value accumulation for each period. I was doing just fine. UNTIL. yeah, until......I don't really know when...... I am trying to specify that the interest rate must be between .01 and .25 (user has to enter it as a decimal on the GUI) or a Message Error box pops up. However, it seems that everywhere I drop my code, it doesn'
vb.net
Private Sub mnuClear_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles mnuClear.Click
[code]....
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Feb 25, 2009
I'm working with a form that doesn't want to let me go above 884 for height when I'm working in the editor. I thought I figured this one out before but my memory could definitely be better. I've played around with a bunch of properties without success.opping controls on the form and locating them below the bottom limit doesn't do it. The form will go down as far as necessary to show the new control when you run the application but not when I'm in the editor. I want to be able to work in the editor on a form greater than 884 height
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Apr 21, 2011
Is there a limitation to the size of program that you can create in VB 2010 express? I ask because I am writing a program that asks a user for input, then checks that input to a list of possibilities in case statements.My code is a little over 5000 lines.
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Aug 24, 2011
We are using VB.NET 2008. This program must run on a 32 bit operating system.
The machine where the program is running at is a 24 core machine which has 16 Gig of RAM.
It has a Win Server 2003, Enterprise Edition SP2, x86 based PC.
When the VB.NET program VM Size reaches about 1.3 Gig, it says "Exception of type 'System.OutOfMemoryException' was thrown."
When I go to Task Manager and check the Processes, "Mem Usage" for this program is about 300 Meg and "VM Size" is 1,341,300.
These are the information from Accessories - System Tools - System
Information:
Total Physical Memory is 16.37 Gb.
Available physical memory is 14.46 Gb.
Total virtual memory is 17.74 Gb.
Available virtual memory is 15.73 Gb.
Can my VB.NET 32 bit program access more than 1.3 Gig of VM in Win 2003 SP2 Enterprise edition ? How can it do that ?
According to [URL] the memory limit on this kind of machine with x86 is 64 Gig.
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May 17, 2009
I am using the print form from power pack is there way to extend the limtation of 81/2 x 11.
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Dec 23, 2009
I wanted to load a lot of items into the listbox and found out its limitation i.e I try to load 1000 lines of long words, it hit to the max. So my questions: Is it possible to bypass the max size limitation or is there other control that can handle better than listbox?
[Code]....
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Aug 4, 2011
im decide to develop Vb .net Application With Sql server Express 2008 ,but microsoft says they limit 4 GB Sze for per DB! So im developing my app for Single user Desktop pc , so what i do when the DB reached to the Maximum size? when the db size reached to maximum size , is it Good thing to create new DB and allow my vb.net application to work with both DB s ?
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Feb 23, 2011
I have been googling this and have not come along a working solution for an entire day. I don't know anything about binary data types (as I've never knowingly used them) and I'm trying to write a binary value that I see in the registry, to the registry. Now, all I see is the following [shown below]... and if I try to pass that as a string to the RegSetValueEx in the WinAPI and of course it errors out...
I do not know what 'numbers' I need to pass into the lpData As Any, argument of RegSetValueEx (i tried a bit array) in order for it to come out as the following [shown below] in the regedit. I really have no idea, and my tests to place random numbers in the bit array just produce corresponding random "figures" as visible in regedit that I do not understand how to 'tie' them together logically. here is the culprit!
[Code]...
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Dec 6, 2011
I have an image stored in the database as varbinary(max) When it's read out into a datatable, it's only being displayed as System.Byte[]. I've tried every trick in the book to get the binary in string format so I can write it back to the varbinary column in another database.
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May 1, 2009
i have a table in sql server with some fields set as Byte() (System.Byte[]) when i import them in my application to be used with linq they are converted in Binary (System.Data.Linq.Binary)why is that?is there a way to prevent this wrong translaton???if i update the database how can i update the classes that has been craeted in visual studio2008?
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May 5, 2008
How can I convert Hexidecimal to binary and binary to Hexidecimal?
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Oct 13, 2009
I have a Binary file that has data represented in 1604 bytes. each set of data within these groups is composed of short (2 byte) numbers. I would like to creat a vb.net program that takes this binary file then converts it to numbers, and then places it within a new text file. How would I accomplish this?
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Jun 29, 2009
I am writing lots of numbers to a binary file, using the "My.Computer.FileSystem.WriteAllBytes" method. I'm struggling with reading the numbers back in....
Code:
Private Sub trial()
Dim vals1() As Byte
Dim vals2() As Byte
[Code].....
How do I know where one ends and the next begins? This is especially important because the length of vals could be something other than 8....
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May 16, 2011
how can i seek the offset 255 from beginning and get image on length 4(ReadInt32) and put the image into PictureBox? i'm using VB.net
description
offset length Description
268 4 size of the image file in bytes
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Dec 3, 2005
How do I write a binary value to the registry?
VB
Try
Dim regKey As RegistryKey
regKey = Registry.LocalMachine.OpenSubKey("SYSTEMCurrentControlSetControlKeyboard Layout", True)
[Code]....
This is what I have right now and it don't work. It throws this error:
[IMG]Error[/IMG]
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May 1, 2011
I have seen writing to binary, but the question is how do I change from where it starts at in the file, supposively I want to start at byte 3 instead of the end or begining. Also is it 0 based? where zero is the first position, and how do I over write the data at the part I am at in position 3?[code]....
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Aug 30, 2009
I am reading a Binary file using BinaryReader in VB.NET.The structure of each row in the file is:
"Category" = 1 byte
"Code" = 1 byte
"Text" = 60 Bytes
Dim Category As Byte
Dim Code As Byte
[Code]...
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Dec 8, 2010
I'm looking to design a calculator that adds and subtracts binary numbers. I'm new to this program and stumbling on where to start?
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Apr 25, 2012
I need a code that will convert decimal to binary. My current code doesn't work and just crashes, any suggestions on what I should do
For i = 1 To 17
Me.lstDec.Items.Add(i)
[code].....
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Aug 2, 2011
I need to be able to write data to a binary file. No problem - I have a test app I've knocked up that reads and writes to them fine, however the format uses C0 and C1 control codes, and I have no idea how to write them properly. The SOH, ENQ, DLE, NUL type of thing. I'd post some but they are non-printing. I know what they mean and what they do but have no idea how to write them.Basically we are writing our own system that generates test data files for import by another program. My files that I write have the correct number of fields and correct value and formats but because I can't get the tags to write they data is imported incorrectly. I've spent days reading up on it but can't find what I'm looking for.Not dealt with binary data files in VB before so this is all new.
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Nov 27, 2009
I used backgroundworker to receive file segments from a server, it taking the segments and save them directly to a binary file. the problem is,I using a global variable to store the "FreeFile()" number.when "backgroundworker" receive "START" it do F = FreeFile()
when it receive "Segment", it should append to that file, but the problem is ... backgroundworker no more recognize the file (which its identifier saved in global variable F) and telling "Bad File"?!
whats the soultion?I think about opening the file and close it each time (not leave the connection to the file available). But I didn't figure out how to append to Binary files, It always replace their contents. and If I use "Append" option it corrupt the file!
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May 17, 2010
Binary Search in ListBox
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