Cannot Get The Rounded Float Value In Datagridcell To Dataset
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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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...
[Code]...
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Nov 22, 2011
I want to show a Listbox below the cell of datagridview, for that i inherited a
DataGridViewColumn and added an object of listbox called LstBox .
Now i can get all property of listbox in property window for the control which i
added on form, but i cannot see the Listbox when i run the form. how to make visible Listbox.
I use this code
Public Class DataGridViewTLBoxColumn
Inherits DataGridViewColumn
Private WithEvents LstBox As System.Windows.Forms.ListBox
[Code].....
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Apr 1, 2009
I'm working on a calculator application and one function is to find midpoints on a cartesian coordinate system. I have inputs for two x and two y coordinates , and the program calculates the midpoints of both and prints them in a text box as a new set of coordinates. The points are represented by doubles to allow decimal and negative points, but I want to round the final coordinates to 1 decimal place. e.g: (12.5, 9.8) Math.Round would work, except that it only seems to be able to round to a whole number. e.g: (12, 10)
Is there any way to specify how many decimal places Math.Round rounds to, or is there another function that could acheive this result?
[code]...
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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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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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Feb 16, 2011
Working on some UI stuff, but I am having a problem drawing 'Top rounded' rectangles when the two top corners are rounded. I have methods to draw all four corners rounded and bottom rounded rectangles and they render fine.
I have attempted the graphics methods in CreateTopRoundedRect() in a variety of different orders, drawing the other corner first, the bottom line first, the bottom line before the left line, etc. In this function you can see a diagonal line splitting the shape. If you were to switch the bottom and left lines only half of the shape would be filled.
[Code]...
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Jun 10, 2012
Is ther a simple way to get a picture box to have rounded corners???
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Feb 15, 2011
I have two textboxes that will contain numbers.I convert those text boxes to integers and then want to multiply them by certain values and then show the new value in a different textbox.For example,100 gets converted to an integer and then multiplied by 1.75 and the value displayed in the other textbox is 200 instead of 175.How do I make it so the value isn't rounded to the nearest 100? Here is my code, compTotalPremium.Text and collTotalPremium.text are the boxes that are showing the rounded value.
Dim Comp As Integer = compDedPremium.Text
Dim Coll As Integer = collDedPremium.Text
Dim CompMulti As Integer = compDedMulti.Text[code]....
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Apr 19, 2011
When I draw a line on a VB form the ends are squared off. Is there an easy way to make the ends rounded?
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May 19, 2011
Every sample code I've ever found for drawing rounded rectangles using GDI+ goes something like this (lifted and slightly modified from BobPowell.net):
Private Sub Panel1_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles Panel1.Paint
e.Graphics.Clear(SystemColors.Window)
e.Graphics.SmoothingMode = SmoothingMode.None
[code]....
This produces a rounded rectangle where only the top left corner is accurate.AntiAliasing has to be turned off because it is going through a remote desktop connection, and I can't depend on it being available. Besides, I am looking for a crisp rounded rectangle.I've tried resizing the other corners and changing the pen alignments, but nothing seems to produce a simple, accurate rounded rectangle.Is there a way to draw a better rounded rectangle than this in good old winforms?
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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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Jun 21, 2010
i have a problem on my DateDiff result. For example the result is 3.5, it will only show 3. How can i control that?
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Jul 28, 2011
How would I make for example a rounded corner textbox is this possible?
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May 13, 2011
I need some help importing data from Excel 2003 into VB10. My goal is to import the data and save it to a 2D array for later use within the application. The data is on sheet 1 of the workbook and goes from A1 to D1072 with a header row. I have done a lot of research on line to find a solution but have been unsuccessful. From what I have found I have put the following code together. When I complile and run the program I get the following errors.
1) I think while compiling it gives me this error: The source file is different from when the module was built.
2) While running the program it stops on the connect.Open() and has this error OleDbException not handled. Could not find installable ISAM.
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
' Import float volume data from Excel
[code]....
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Aug 20, 2010
I have read about Round() and MidpointRounding.ToEven but I still could not figure how to use it to achieve what I want. I have numbers (usually from 5 digit decimal) such 125.36 , 125.10, 125.99. I want to make the 2 decimal point rounded to the nearest 20. Means, the 2 decimal point should be either .00 or .20 or 0.40 or .60 or 0.80 only.
125.36 should be 125.40 : 125.10 should be 125.00, 125.99 should be 126.00
125.54 should be 125.60 and so on
Is there math function to make or I should parse the number as text and test the last 2 digit?
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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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Jan 24, 2007
I have to read some float values in vb 2005 from a binary file created in powerbasic .I have declared one structure to read this .In the structure i am trying to read those vaues in single datra type object but the values returned are like 4.02365-E67 I have tried all the data type but unable to read it properly The structure is
Structure ThirtyminUPD
<VBFixedString(10)> Dim MSymbol As String
Dim MTime As Int16
Dim Mopen As Single
[code]....
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May 9, 2010
read and write on other process float memory address w/ pointers and offsets
i do have a module well it works with 4bye and long but for some reason it doesnt work with float address
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Jul 26, 2010
how would i go about converting a float value to string?
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Sep 16, 2011
Why vb prints out 1??? when d is a double aproximation to 1? shoudnt be 0.99999 or something similar? what if I really need the float value? and how could I print it?
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Jun 7, 2011
I am doing some calculations and the outcome of those sums are like 0.743449889958
the sum is calulated like so textbox.Text = (textbox1 * _Units) / _priceincur
how would i format the string so that it only shows 0.7434 (rounded)
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Apr 3, 2010
Like in MSN i would like to be able to have a transparent notification window that has rounded corners. I know I can use the Opcatity tool to get the opactiy i need but the edges i dont know.
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Mar 19, 2012
Im using now this code to make shadow for my square backgrounds.
[Code]...
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