VisualBasic 'single' Same Format As Visual-C++ 'float'?
Feb 3, 2010
Is a VisualBasic 4-byte single precision floating point variable the same format as Visual-C++ float?
I need to send floating point values from an embedded PowerPC written in gcc C++ to a VisualBasic GUI,and want to first test it by simulating the embedded using Visual-C++.software developer
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Nov 30, 2011
I am working in windows application, I have one field in sql server which has data type decimal(15,10). When I enter data from application like "123456789012345". It should be convert it in 12345.678901234 when press tab on text box.
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Sep 1, 2007
how to make a single column of a datagridview into currency format?
InventoryDataGridView.Columns(5).Name = "inventory_cost"
InventoryDataGridView.Columns(5).DataPropertyName = "inventory_cost"
InventoryDataGridView.Columns(5).Width = 70
InventoryDataGridView.Columns(5).HeaderText = "Cost"
InventoryDataGridView.Columns(5).???
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Oct 11, 2011
i have a project and i want to insert multiple rows into a single column and then display them into a single text box...
this is what I'm going for:
DATABASE: column 1
| column 2 | column 3
| column 4 |
[Code]....
yes i know I've posted this in 3 different forums but no one seems to know either
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Jun 24, 2010
While searching on how to escape a single quote in String.Format, I found the answer at SO: Escaping single quote in String.Format(). It seems to be different for VB though. I tested it, and indeed C# needs
string s = DateTime.Now.ToString("MMM d \'yy 'at' H:mmm");
while VB needs
Dim s As String = Now.ToString("MMM d 'yy 'at' H:mmm")
Why does C# need a double backslash, and VB a single backslash? This might be a bit of a silly question to C# users, but while I can read C#, I'm not used to writing it.
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Oct 1, 2011
I am filling datagridview with data from SQL server 2008 R2. one column is date which is stored in the data base as yyyy-mm-dd and when i retrieve it displays in the same format. I want to change the display to dd-MMM-yyyy.
Try
Connect_Design_Document_Record()
Dim cmdDrawing As New OleDbCommand("SELECT DRAWING_NO, DRAWING_DESCRIPTION, DRAWN_DATE, REVISION_NO" & _
[Code].....
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Dec 20, 2011
Can you set a condition inside the string.format parameter.So if i have
string.format("{0}" , if x = 7 then return "SEVEN" else return "ZERO")
Is there a way of doing this?
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Nov 30, 2011
I am trying the following to select a long date, but becase the value is stored in SQL database as DateTime I am unable to return any results unless minutes and seconds match perfectly...I then tried to use 2 calendars and have the same issue with the DateTime format..
CODE:
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Mar 21, 2012
I want to take a screen shot of full code from visual studio single file. is it possible?
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Mar 31, 2012
I have been tasked to create a Visual Basic console script that asks the user 5 times in a row to input a number into an array (sales figures in thousands), Then you display these results as a sort of tally chart.
For example for the data: sales(10,7,12,5,15)
The output would be
2008:++++++++++
2009:+++++++
2010:++++++++++++
[Code]...
how to change the integer value from within the array into a certain number of a single character.
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Dec 22, 2010
I wish to turn on the Single Instance Application choice in Visual Studio 2008 properties. To do so, I must choose "Enable Application Framework". When I do that, my ONLY choice is to choose a Startup Form, not a Startup object. This makes no sense to me. I have a tray application, and I check to see which form I should load, a logon form, or the main form. But since I am forced to choose a startup form, I MUST load the logon or main form to begin with. But I don't want to. I want startup code to determine which one to load first. So then I am playing with making the OTHER form invisible, even if the startup form, but that is a mess.
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Jan 10, 2012
Yet another adventure in Visual Studio.I have about 500+ drives I want to format using a VB project. The drives are RAW and it's a REAL pain doing all this through windows. Is this even possiable?My test machine has a eSATA extenal port which would make this great if I could have a simple app to just press a button and do a quick format on my test drives
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Jan 13, 2009
I am very confused about the database type to be used in my vb.net application. I have been using SSCE database, but for that user has to download and install SSCE, which many of my users do not want. If I use Access, the security issue is very very serious.
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Dec 14, 2011
I am very confused about the database type to be used in my vb.net application. I have been using SSCE database, but for that user has to download and install SSCE, which many of my users do not want. If I use Access, the security issue is very very serious.I have downloaded a few database apps from the internet, which donot require any such thing to be installed and also I see no known database format in the application folder. I wonder what kind of techniques they are using.
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Nov 24, 2009
We have installed new computers . The culture has been set to he-IL , as it should in regional settings and in asp.net iis tab in global edit configuration.When I've created a new console in c# and in main put in the line
DateTime date = DateTime.Now ;
My output was - "22/11/2009 12:54:42" as it should by the format "dd/mm/yyyy ..."
[code]....
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Jun 12, 2012
I need to save the contents of a picbox to a jpeg file.I suspect the error exists because I do not actually load an image, but draw lines on its using picbox1.addline(), but I do not know how to fix this.
[code]...
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Feb 25, 2011
I am trying to figure out how to add a theme to my excel worksheet before saving it. I have found this code to change the cell color but have yet to find anything to change to a pre-default excel table format (the Table style light 2 theme)
[Code]...
How can i just select all the cells and place that Table style light 2 onto them all using VB.net?
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May 18, 2010
My program works through each cell in a raster bitmap loooking at the r g b values. Actually I'm just working with greyscale so r = g = b. I use the get pixel method to return the 8 bit value of each pixel (0 - 255). However I'm now working with a single channel 32 bit float bitmap. I can't load it into VB. I tried Dim myBitmap As New Bitmap(OpenFileDialog1.FileName) but this fails with an unspecified error when trying to open a 32 bit tiff.
The question is: which graphics format will allow me to load a 32bit bitmap into VB, and if I succeed will the getpixel method return 32bit float results for the greyscale level for each pixel?
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Jan 31, 2012
How I can save a text in visual basic in a word file with specific format like font size or color or other format??
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Dec 18, 2010
Deviding an int by zero, will throw an exception, but a float won't - at least in Java. Why a float have an additional NaN info, while int haven't?
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Dec 15, 2011
I can't round up the decimal number using VB.net
i'm using Cint(12.5) this must be 13 but it is not so i try Round(12.5) but still not roundup what do i do?
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Nov 3, 2011
I am trying to assign a specific width to my image in asp.net (using vb.net). So I used the next code:
<asp:Image ID="PercentageImage" runat="server" Height="7px"
Width='<%# Eval("votsGraph") %>'
ImageUrl="~/images/bar.JPG" />
So how do i cast this one? (The type of votsGraph is float.)
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Jun 20, 2009
OK so in this hex editor I have, Hex Workshop, when I search for a 32 bit float i type in (lets just say) 1. It then spits it back at me in a 32 bit float, but also as hex.
the 32 bit float for 1 = 3F80 0000
I really cant grasp this idea, let alone put it into my program.
able to convert an integer to a float then to that sort of hex.
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May 15, 2010
I'm building a card game called 11-UP. See the game here.I've gotten to the point where I need to make scores show up when the selected cards have a sum of 11. For example, if the card is worth 200 points, then "200" should become visible for about a second and then "float away".
I know I can do this with a timer and the location property. I was thinking of creating an array of 22 timers, one for each card. When the selected cards have a sum of eleven, I enable the timers for each selected card. The timer makes the "score" for that card appear, then move up a few times, then vanish.
Does anyone have a better way to do it? Maybe with only one timer?Also, how could I make the "scores" become more transparent as time advances? I'd like to make them not only float away, but also "disolve."
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Apr 30, 2011
For example: how could I have 3 pictures aligned to the right all in one row, then when the far right picture is deleted the other two move to the right to fill that space. Edit: I'm looking for this capability for both Windows forms and web forms. I'd be happy right now if I could just get the code for Windows.
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Apr 24, 2010
How do I reference the Header and Footer in a RichTextBox? And if I can't how do I access it in a file in RTF?
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Mar 23, 2011
I got following error when trying to login my web application.
method not found: System.String Microsoft.visual compatibility.vb6.support.format
what is that ?
Microsoft.visual basic.compatibility.dll is already present @ my machine
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Jul 31, 2009
actually when I edit float value in datagridcell , I want only two numbers to be displayed after point(.)....i.e 2.35 instead 2.34567 more over am getting it but the actual thing is that value is not getting update in the dataset , but when I reload the form it shows like 2.34567 only instead i want 2.35...
Public
Sub GridCellValidation(ByRef dgvRow As DataGridViewRow, Optional ByVal FillControls As Boolean = False)
[Code].....
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Mar 15, 2011
I am receiving a data stream which contains 4 bytes of data which need to be converted to a 32-bit float (IEEE 754). This was easy to do in C as I created a union with a 4-byte array and a 32-bit float. Job done. However I have no idea how to accomplish this in VB (pls note I do not code in VB).
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Feb 20, 2010
I am working on a simple asp.net vb.net code behind page.I need to accept input from an asp textbox control when the user clicks the 'calcButton'. I've set up an event handler for the click:[code]I looked at the msdn page and it says to use ToDecimal.
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