Prevent Data From Displaying In Scientific Format?
Apr 27, 2012I have this sql server query that I am running in my .net app.[code]...
Any date that has e in the middle such as 20120731*e*0000001 turns into scientific data.
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Displaying Scientific Notation In VB Express 2008?
Sep 28, 2009I've written a small program that does some calculations and I want to display some of the results in scientific notation. For example, I want to display 0.005 as 5.0E-3.
View 2 RepliesDisplaying Numbers In Their True Form (not Scientific Notation)
Mar 12, 20096/0
6/1E-10
6/2E-10
[Code].....
I need those in there true form not scientific notation, how do i do this in vb.net?
Scientific Calculator - Clear Textbox After Displaying Result
Jun 2, 2009I am building a scientific calculator.
1. After I clicked the Sine button, I get the result in a textbox.. When the result is there, for example: 1 radians Sine = 0.8414.... I can still put numbers at the end of this result.. like button 5 will be 0.84145, so how can I disable that?
2. After I get the result from a calculation, the textbox should be cleared when I insert a new number.
How To Prevent .net Combobox From Displaying Multiple Results From A Single Data
Dec 9, 2010I am currently having a headache on how to solve this problem that i am facing.here is the situation:I have a combobox and a list box on the main form. The combobox will get the data from the ms access database.In the database, i have the details of a person's IC, Name and DOB say for eg on one entry I have D215311523C,SHAWN,13/04/1987
So now, my combobox on form load will show the list of dates in the database to allow the user to search base on the date itself by clicking on the selected date. So when the user clicks on the particular date say 13/04/1987, people in the database whose birthday is 13/04/1987 will be shown on the listbox.Meaning to say if i have 3 entries whose dates are the same 13/04/1987, 3 entries will appear. If there is only two entry, then two results will be shown.
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Scientific Data Parsing Using A 3 Dimensional Array
Mar 11, 2010I have data formatted as an ASCII text file with easting, northing, and depth fields. I've attempted an arrayList with some success, but there has to be a better and more efficient approach.
[Code]...
C# - Produce A PDF Report From Code In .NET For Scientific Data (winforms)?
Mar 13, 2011I have a "legacy" VB.NET application (winforms) written for .NET 1.1, and re-compiled under 2.0 that produces a report in HTML via a custom XmlTextWriter wrapper that is suited for HTML. The user then would print the report into pdf if they wanted to.
That was 2003, and now technology has changed a bit, especially within the C#/VB.NET world, and customers want to skip the HTML part, and go to PDF directly. What are my options for open source, or low cost PDF libraries that work well with .NET and must support tables with pictures (generated bitmaps from code) and text.
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Prevent Main Form From Displaying
Sep 21, 2009I wrote a small bit of code to prevent multiple instances of my program from being loaded. Here is the code.
[Code]...
Prevent From Formatting To Another Format?
Aug 4, 2010I export some data from a MSSQL Database (2005) to a simple Textfile. The Problem I have is, that if the Field contains a Date it is converted to a different Format, but I definitly don't want this. How do I prevent from formatting to another Format.
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Displaying Hex Byte Array Values In A Specified Format?
Sep 17, 2010I need to convert hex values aa 01 00 17 f4 2f (as contained in byte array FrameData) to display in a label control as AA:01:00:17:F4:2F
HexDump(FrameData(2)) converts the aa (which has been converted to Decimal 170) into 31 37 30 !
similarly I need to convert hex data ('02 00' contained in byte array FrameData) as
0x0200."0x" & FrameData(1) + FrameData(2) displays the data as 0x20. How would I convert the '02 00' hex data to display as 0x0200?
VS 2005 - Displaying Forms In Landscape Format
Sep 5, 2009The functionality of the application is not that difficult. The challenge is in the displaying of the forms. I have not started coding yet. When I run the application, the screen should be in the land scape format irrelevant of which computer or laptop you are using and how costly it is. The form should be displayed 90 degrees rotated in counter clock wise direction. How is that possible? Attached is the screen shot of what I want.
View 21 RepliesVS 2008 Sql Server Dates - Displaying Short Date In Dd/mm/yyyy Format
Jan 4, 2012I have a datetimepicker, i am displaying short date in dd/mm/yyyy format... how do i store this value in ms sql server 2005 datatable with a field defined as smalldatetime.... ? If I simply save it, it is giving some error.....
View 1 RepliesHow To Format A Date Column In A Datgridview Where Data Is Double Format
Aug 3, 2009I have a DGV that is getting data from a sql db. The dates in this db are stored as doubles ie 40025.708681
How do I format this column as Date/Time?
I tried but this doesn't seem to work.
how to do this? DGV1.Columns("HostDate").DefaultCellStyle.Format = "d"
VS 2008 : Data Bound List Box, Displaying Data Into Textbox?
Jan 3, 2011I want it so every time I click an ITEM in the Listbox it displays ALL the data into the textbox. I know there's an easy way using table adapters and binding the listbox, but I'd prefer to do it this way for my project.
So this is what I got.
Lst.DataSource = ds
Lst.DisplayMember = "tblStudent.FirstName"
Lst.ValueMember = "tblStudent.StudentID"
[code]....
It only adds the first rows details to the text box when I click the second record the first rows details are still there.
Build A Scientific Calculator With Vb?
Aug 11, 2009I'm trying to build a scientific calculator with vb .net, except it is vista glass :-p
I basically want the user to be able to enter an equation like SQRT(5 * 6) / (2 ^ 4) and then I want vb to use system.math to solve it. If I write this in my code, vb is able to do it, so how could I do this at runtime.
Good Scientific Calculator Example?
Apr 16, 2010Show me a link to the source of a good scientific calculator example?
I'm using VB express 2008. I've been searching, but I can't find any good ones that work with express 2008!
String Formatted Using String.Format Not Displaying In Print Preview?
Nov 29, 2011I'm trying to create a print function with a corresponding print preview. For some reason, any string I create with String.Format will NOT show up on the print preview! Use the code snippet below as an example:
Dim strTemp As String
strTemp = String.Format("{0, 210} {1, 75} {2, 51} {3, 200} ",
"NAME", "PRICE", "QUANTITY", "DESCRIPTION")
[code].....
Prevent Access Data Duplication
Mar 28, 2011i want to prevent user from adding same data on my database... (using access as database)
let say i have 5 fields on my database... ID, Name, address, contact, email... binded to textboxes... idTextbox, nameTextbox, addressTextbox, contactTextbox, emailTextbox.
if the user add a data.... and clicks the save button (saveButton) a messagebox will show a message saying that the data he/she entered already exist..
the messagebox will only show if the user entered a data with the same Name.
Conduct A Code For A Scientific Calculator?
Jun 21, 2010How to code the sqrt, log, sin,cos and tangent buttons please write down the code for the mentioned buttons
View 1 RepliesWrite Double In Non-scientific Form?
Sep 18, 2009I would like to know if Visual Studio does have a setting where you can choose whether it should write nombers like 0.00000127 in scientific notation or not? I am writing such doubles to file but VB2008 writes them in scientific notation. If I treat these numbers as decimals then it writes them correctly, but I also have to take care of performance as I'm writing lots of numbers.
View 1 RepliesCode / Query That Will Prevent Duplication Of Data
Jun 5, 2011i'm working on a voting system but im having problems in adding records... i have two a primary key, the idnumber and the address. the address is where I base if that certain address already voted. but the problem is everytime i try to add a record with the same address (ex. Block 1 lot 4), the data is duplicated which is not output i want. the program should detect that there is already an existing address.
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Prevent Data Loss Before Loading The Designer?
Mar 23, 2010I coded this program. It has three forms, when I try to open the [Design] on one of the forms it give me this error: To prevent possible data loss before loading the designer, the following errors must be resolved:
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Prevent Dublication Of Data In SQL Server 2008
Jul 15, 2011I have the following code for SQL insertion, but how can I prevent data dublication in vb.net so that the same data is not entered twice? I mean can I add a exception in my code to check if one of the field in the sql server table contains the same data? [code]
View 14 RepliesPrevent Moving From A Cell In Datagridview That Has No Data?
Aug 3, 2011I am updating my last post so hopefully someone will help. I have following code that will move a cell to the next column when hitting the enter key while doing an edit. It will even check the row at the last cell to validate data is present.
However, if there is no data in a cell and I press enter, the focus moves to the next line like it normally does. I need to prevent the user from moving or clicking on any cell until the cell they are on has data in it. Here is the coe I have used[code]...
Prevent The Program From Freezing While Downloading The Data?
Mar 9, 2011My program becomes unresponsive when I download Data using WebClient.OpenRead(). What can I do to prevent the program from freezing while downloading the Data?
View 5 RepliesPrevent Users From Entering Data Into DataGridViewComboBoxCells?
Dec 20, 2010I have a project that uses a number of DataGridView controls. Most of the cells are of the DataGridViewTextBoxCell persuasion. I declare my controls like so:Dim MyCell as DataGridViewCell Later I specify whether they are DataGridViewTextBoxControls or DataGridViewComboBoxCells like so:
MyCell = New DataGridViewTextBoxCell MyCell = New DataGridViewComboBoxCell None of the places in my code require the ability for the users to enter their own values in the Combo Boxes. That is, they are either hard-coded or the values are gathered from other data within the application.
Currently, users can highlight a combo box control defined as shown above and begin typing anything they like. For example, I have one combo box that offers the user a selection of integers between 1 and 9. I can highlight the combo box cell and enter "Hello, World!" if I'd like.What does it take to disable this ability? I'm sure there's a property, but I have yet to find it. I have searched the Internet, and have found only the ability to have user-entered values added to the list and a stream of data-binding tutorials.
Converting Double To String (Not In Scientific Notation)
Nov 12, 2011The only post I can find on this matter is one that coverts the double to a decimal before converting it into a string. However the numbers I'm using are far larger than what a decimal can store.
Example: 1/(16^10)
So how can I convert the solution to the problem above. Which equals 0.00000000000090949470177292824, to a string value that is exactly as it's shown?
Cause when I convert this to a decimal I still end up with a string in scientific notation..
Datagridview Can Not Get Rid Of Scientific Notation Style Numbers?
Feb 19, 2009I can not column 4 of my Datagridview1 to display numbers as ###,###,### with not decimal places it seems stuck in Scientific notation mode, even though I have set it several different ways in the menus.How do I set it in the program like I set the column width.
DataGridView1.Columns(2).Width = 80This is in VB ExpressGary
Interfacing With Windows Calculator In Scientific Mode
Aug 29, 2009Introduction: Probably a year or more ago I asked if was possible to use the Mathematical functions in Windows Calculator or use any DLL file it may use without a satisfactory answer. As I require the greater accuracy of Windows Calculator in String format. Would it be easy to keep switching between a Vb.Net Form windows based application and Windows Calculator and, using SendKeys, get results back to a Vb.Net application using Copy & Paste via the clipboard but to do this in an automatic fashion at all please?
What I am particularly interested in is getting Log10 or LogN results and also doing ARC or INVerse LOG10 or INVerse LogN calculations. But I require the greater accuracy of windows Calculator. Additionally, would it be possible to assign a keyboard keymap to each key in Windows Calculator so that, for example, the L key would be assigned to clicking the LOG10 button, ALT for the Hyp checkbox, SHIFT for the INV checkbox and so on?So imagine sending key sequences to Windows Calculator to completely automate it. And Windows Calculator has been updated too in WINDOWS 7, would that make it any easier to work with?
Scientific Numbers From String Formate To Double?
Jun 13, 2012I was using the following code:
If Entry.ToLower = "test" Then
Dim test As Double
test = Double.Parse(InputBox("test", "test")[code]....
to check if I can inputoutput scientific numbers tofrom Double.I was able to output the data successfully. (With "E" instead of "* 10 ^" but that's fine)But when I input the same number error occurs.
"System.FormatException: Input string was not in a correct format.
at System.Number.ParseDouble(String value, NumberStyles options, NumberFormatInfo numfmt)
at System.Double.Parse(String s)
at Particle_Simulation.General.ConsoleEntry(String Entry) in G:ProjectsVisual BasicParticle SimulationGeneral.vb:line 23"