VS 2010 Tabpages - Decimals And Graphs
Sep 28, 2010
Tabpages: Using a button, how do I go from tabpage1 to tabpage2? I have it kind of sorted, only not: Button click tabpage1 send to back() or hide() tabpage2 show() The problem with this, is it does not actually turn the page, and the tabpage1 tab still shows at the top. Decimals: Epically basic, I guess. I have calculations that does, for example: 10/6 = 1.666666666667 How do I get it to say 1.667 only?
And Lastly, Graphs: I have a line graph. I have fixed series as a envelope for the variable series to sit in. Again, epically basic - How do I make a series that draws a line for a variable?
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May 19, 2010
Dim y as integer
dim x as double = 125 / 60
y = Convert.ToInt32(x) 'removes decimals
That method works, it removes all the numbers after the decimal.
But, how to check if the double contains a decimal and if it has it, remove all the numbers after it?
I have tested all the possible solutions i can think of, but I always run into a lot of errors
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Apr 27, 2012
Is this the proper way to bring up an error if the user inputs more than 2 decimals. 'Not decCost = [0-9]*.[0-9]{0,2}
[Code]...
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May 29, 2010
VS 2010 check if a number contains decimals?
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Aug 22, 2010
I'm making a custom TabControl duplicate and I can't seem to be able to add controls to its TabPages. In fact, they don't show up at all! I've got code that sets their BackColors to Red, and their DockStyle is set to fill, but they just don't show up. Here's my code for the CustomTabControl:
Public Class CustomTabControl
Inherits Control
Private Const TAB_HEIGHT As Integer = 32
[code].....
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Mar 2, 2012
I've read that you cant disable individual TabPages, I decided to remove all tabs that's aren't selected.
For i = 0 To mainTabCount - 1
With mainTab.TabPages(i)
[CODE].........
But after saving the contents of my SelectedTab and clicking the 'Close' button I want to restore my removed controls. Is this possible? ATM I'm just dispose of the form containing the TabControl and re-open it w/ ShowDialog.
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Aug 16, 2011
I have a series of tabs, each containing a series programatically generated PictureBoxes that are all 480x360. The TabControl is anchored to all 4 edges of the form, so it always takes up the whole area.
I would like the PictureBoxes to behave similarly to how images behave when floated in HTML/CSS. So if I have 5 pictures and the window is only ~900 wide then I will have 3 rows, 2 in the first 2 and 1 in the last. But if the window is then expanded to ~1500 then I get 2 rows - 3 on the first and 2 on the last.
What is the simplest way to achieve this? Is there a built in way?I am planning on repositioning the pictures when SizeChanged fires on the TabControl, or when the selected tab changes.
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Jan 31, 2010
I have a form, with a tab control, which contains two different graphs. The graphs work fine, however, i want to be able to switch between the tabs, and be able to see the graphs!. Unfortunately, it seems to clear the graphs. Please can guide me as to how i could fix this.
[Code]...
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Dec 23, 2010
Somehow my vb.net 2008 does not have chart controls and it seems like i cant do graphs how do I get it. I've tried downloading it but my computer says I have to instal framework 3. Which I have.
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Nov 18, 2011
how can i draw a graph of a function using visual basic.net 2010? eg graph of y=cos2x +5x
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Oct 23, 2009
I want to generate different graphs in vb.net 2008. Please guide me i dont know how can i do that, where from i should start. I have different values which i want to show by graph. Like Service distruption time conventional scheme vs proposed schme. How can do this.Please guide me with sample code example. Can we make it in excel and how can we add it in vb.net or can we open excel in it?
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May 11, 2011
i am working on a vb.net windows application. i want to incorporate the dynamic graphs and charts in the application.
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Jan 26, 2009
I want to generate a dynamical graph or bar chart X vs Y . Please send me a example I can manage the rest
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Jan 7, 2010
I'm trying to plot a graph in VB.Net, using MS Chart Control. I'm receiving streaming data, distance vs X data (Sine wave) and Z data (Cosine wave) every 1 msec. maximum data points varies from 2000 to 5000. I would like to plot this streaming data on a graph, distance on x-axis and two series X data and Z data on Y axix.
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Apr 24, 2010
I have used the vb power pack for graphs and the following to files are included in the application files.
Microsoft.VisualBasic.PowerPacks.Vs.dll
System.Windows.Forms.DataVisualization.dll
But the install only works on the machine it was built on, if I take them out it installs but no graphs. How can I get this to install on all machines?
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Nov 9, 2010
I have successfully created excel application, workbook, worksheet and graphs in excel through vb.net, but I am not able to choose which data to plot on teh x-axis when I plot graphs.I don't really know how to do this even in excel itself, and googling did not help at all...how to create a graph with desired values on the x axis in excel through vb.net, that would be nice.
range1 = Data.Range("A1", "B" & (t2 - t1) / i)
graph1.SetSourceData(Source:=range1)
This is my code, since I have index (t2-t1)/i as the index of the data I want to plot on the y-axis, and I want to plot all A1 values on the x-axis.
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Jan 26, 2010
I am using vb express and want to display graphs for the data displayed in listview through queries. For example I display data in Listview with the following query:
Dim cmdText As String = "SELECT IncomeMode, SUM(AmountPaid) AS Amount FROM DailyIncome WHERE DIDate Between @START and @END Group By IncomeMode"
I have downloaded Ms Charts for vb.net. How I can code to draw the graph of the result of above query displayed in Listview .
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Jun 25, 2009
This is one of my first steps into the magnificient world of visual basic. I looked on many forums, but most of the time the questions asked are much more complex than mine. I am looking for a piece of code for the preparation of multiple graphs in excel 2003.
[Code]...
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Mar 18, 2011
I need to get my label outputting the slope to only have 4 decimal digits. I have it set as single now
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May 7, 2010
Recently I have learned visual basic 2008 express edition and developed programs for data crunching and analysis. The VB 2008 express edition has microsoft visual studio 2008 v. 9.0.30729.1 SP and .NET Framework version 3.5 SP1. Now I want to create x-Y (date-Y value) graphs using the crunched data stored in an array list simulating a data base access. I download and installed the "Microsoft Chart Control for .NET Framework " and try to learn to use it within the VB 2008 express edition using the tutorial. It seems that the chart control did not get installed?
1. Do I need at VB 2008 professional to allow using the chart control?
2. Why after installing chart control, there is no change on the items under the NET components within the Toolbox>ChooseItem>.
3. How do I get to use the chart control under VB 2008 express edition.
4. Any code available to generate versatile graphics without using the chart control? Because the chart control has tons of classes already it seems the best is to just use the existing and downloadable chart control?
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Feb 18, 2010
I have a textbox that requires the user to input the value of the Value-Added Tax of that certain area. I tried testing 12.5%. The string is converted to decimal then divided by 100 so 12.5/100 = .125. But when the program writes the value to a file, 0 is writen. not .125
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Oct 22, 2010
If i wanted to know if a whole number is a multiple of 10 or not I know i can do for e.g
If VarWholeNumber MOD 10 = 1 Then
......
Endif
But if i have a whole number with format "0.00" how can i only check if the last 2 digits after the decimal is a mod of 10 regardless of what the whole number sides value is.
So something like
If VarWholeNumber's ".00" MOD 10 = 1 Then
.......
Endif
How could I could this?
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Jun 13, 2011
i need it to look at the coloum in a datagrid and make the back colour red if over 1.6(in sql this field is saved as Varchar(10))but at the min, i have a value of 1.5 and it is making the back colour red
Dim cell As DataGridViewCell
Dim CellVar As Integer
For Each row As DataGridViewRow In Me.OEEGrid.Rows
cell = row.Cells("CD")
[code].....
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Oct 1, 2011
i have three cells in a datagridview third cell gives the result of multiplying first and second cell.When i reload or populate this data from datatable into that datagridview value comes like 40.00. with two decimals. For example
58.00 -------->i need only 58
58.78--------->i need exact 58.78
The only problem is to remove the decimals if they are 0.
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Aug 16, 2009
I am using two forms and the results from form 1 i want to show on form two.The results are in dB(decibel). I get a long result lile 142.1233344444 dB. I want this result be like this 142.12 dB. I use value _passedText to get value from form 1 and display it on form 2 textbox results.text
passedText = Value
Results.Text = Value
What should i do to round off it in vb.net 2008.
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Oct 4, 2009
I'm trying to check for the number of decimals in a textbox, but I'm not very successful so far:[code]How can I correct my code to make it work? Or any other/better solutions?
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Jun 13, 2012
I've used .NET for a long time now but I have come across something I haven't had to do before and I'm struggling to work it out. What I need to do is work with binary numbers and convert them to decimals and vice versa but not necessarily using even numbers e.g. I would like to represent a number between 0 and 2047 which can be represented with 11 binary digits. Plus I want to represent a second number between 0 and 500000 which can be represented with 19 binary digits, and a third number, fourth etc. Then I want to string the whole binary results together and split it in to sections of lets say 5 bits each and convert those back to decimal.
[Code]...
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Dec 21, 2010
how do you detect how many decimals a decimal number has
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Jul 11, 2011
The 4 decimal point to 2 decimal point in a listview.... here is the code for displaying the data from the database to listview.[code]...
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Apr 8, 2010
Here's a silly question. I cannot believe I've spent so much time trying to figure it out. I have a textbox where I enter numbers, such as 12, 12.3, etc. I would like this data to display as 12.0000, 12.3000, etc. My line of code looks like this:
[Code]...
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