Datatype Mismatch Due To Decimal Separator?
May 14, 2008
I have a app that updates an Access Database via a datagrid view. I'm updating two column of type Single. The code works perfectely when the regional settings are default US-EN.For computers running in germany an update to the backend database throw a datatype mismatch error. I change the decimal separator on the computer with 'German' for region settings from Comma (,) to (.) period and everything works fine.I add thread culture to US-ENG at the startup of the application. Now the error disappears but then 2.5 is now stored as 25 in the access database.
I add these lines at the beginning of the application soon after the designer code
System.Threading.Thread.CurrentThread.CurrentCulture = New System.Globalization.CultureInfo("en-US") System.Threading.Thread.CurrentThread.CurrentUICulture = New System.Globalization.CultureInfo("en-US")
This is a MDI app and this code is in the container window...
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Jun 7, 2012
I'm trying to filter the results of a xml file. One of the fields I've been requested to filter is the attribute price of each node. The problem is the xml is from a spanish source and the prices are with decimal separator being , instead of . and thousands separator is , instead of .I'm trying to get an xml file filtered where only nodes withprices lower than one supplied appear.
The xml structure is:
<RoomStays>
<RoomStay InfoSource="" Price="201,60" Discount="0" MealPlan="Sólo alojamiento" MealPlanId="1" Provider="Marsol" ProviderId="3" HotelName="HOTEL LA ESTACION" Rating="" Latitud="" Longitud="">
[code]....
I've tried to filter using XPath and Linq2Xml. I've come to the conclussion I have to replace , with . and . with , but I get 0 results.With values below 1000 where there is only , I've got it using:
doc.XPathSelectElements(./RoomStays/RoomStay[translate(@Price,',','.')<=256.78])
But when there are prices above 1000 with thousands separator . it doesn't work, so I tried:
doc.XPathSelectElements(./RoomStays/RoomStay[translate(translate(@Price,'.',''),',','.')<=256.78])
But it returns 0 results (I tried to use replace function instead of translate to remove the . characters but I get an exception).
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Jun 27, 2012
What is the cleanest, most readable way to String.Format a decimal with the following criteria
start with a sign symbol (+ or -)
a fixed number of fraction digits
no decimal separator
right aligned
pre-padded with "0"'s
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Oct 19, 2010
OdbcDataReader in showing decimal fields Decimal separator disappear with DB2 dsn
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Dec 21, 2011
I had error when want to run my program It show me My coding is as below:
[Code]...
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Jul 21, 2011
I have write one SQL UPDATE query. In that am running the form in VB.NET at the time of update the data am getting the below error.
[Code]...
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May 21, 2011
I'm using code from here - [URL]. And I'm getting the old
A call to PInvoke function 'EliteSwitch!EliteSwitch.MouseHook::CallNextHookEx' has unbalanced the stack. This is likely because the managed PInvoke signature does not match the unmanaged target signature. Check that the calling convention and parameters of the PInvoke signature match the target unmanaged signature.
Error on this line
Return CallNextHookEx(MouseHook, nCode, wParam, lParam)
I've tried changing variable types but I can't get it.
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Sep 28, 2011
I am currently trying to develop a chat application which will work on a LAN, however encountering problems with with adding a user through the registration form, always getting the result :: "Datatype mismatch in criteria expression" I've tried checking and cross-checking the datatypes used in both the database(its a .mdb database,, created in Microsoft Access)this is the code i am using:
dim con as new oledbconnection
dim cmd as new oledbcommand
Public Sub UserReg()
[code]....
everything is done,, such as opening the connection and defining teh data reader, etc as you can see from teh code(which was derived from another question but i made edits to suit my use for it)I also have problems with checking wether a user is online. obviously i will be referring to the table to do that using something like
cmd = new oledbdatacommand("SELECT * FROM Users where isOnline = "Yes")
dim sdr as oledbdatareader = cmd.execute reader
whence it will show a list of all the currently "Online users" but i do not how how to quite refer to it?
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May 22, 2012
Is there a format string to format a decimal to 000000000,00. So first 9 digits, right padded with zeros if needed; a comma as fraction separator and two fraction digits.
0 => 00000000,00
12 => 00000012,00
987456,456 => 000987456,46
So something like myDecimal.ToString("D9") together with .ToString("F2").
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Jul 1, 2011
In VB.Net, is there a way of auto-detecting the culture of a string representation of a number? I'll explain the situation:Our asp.net web site receives xml data feeds for boat data. Most of the time, the number format for the prices use either a simple non-formatted integer e.g. "999000". That's easy for us to process.Occaisionally, there are commas for thousands separators and periods for the decimal point. Also, that's fine as our data import understands this. Example "999,000.00".We're starting to get some data from France where some of the prices have been entered with the periods and thousands separators the other way around as that's the way it's done in many European countries. E.g. "999.000,00". This is where our system would interpret that as nine hundred and ninety nine pounds instead of the nine hundred and ninety nine thousand pounds that was intended.
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Apr 23, 2009
I have tried clicking on the datagridview on my form then selecting "advanced" under databindings on the property window and setting it to 2 decimal places but nothing seemed to change. May I know what I have done wrong?
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Mar 9, 2009
I have a column in DB called price with Decimal as its datatype. when I use:dim r as objectAccessConnection.Open()cmd = AccessConnection.CreateCommand()r = cmd.CommandText = "SELECT AVG (Price) FROM Sale;"I receive an error "Decimal byte array constructor requries an array of length four containing valid decimal bytes."It works fine with other datatype such as Integer and Double. What is my problem?
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Jul 31, 2009
Using VB.NET - I have a string:
"##RES00012##Some value ##RES00034##Another value"
That I want to split using the "##RES" as a seperator to:
"##RES00012## Some value " and "##RES00034## Another value"
The string.split function doesn't seem to offer an overload to split on multiple characters or array of characters and maintain the seperator, which is required for functional purposes.
I'm looking at simply searching for indexOf("##res") and using string manipulation to do this unless I'm missing something obvious? I've searched SO for a solution but unable to find anything that actually does what I'm after.
The following is the closest i've found: how-do-i-split-a-string-by-a-multi-character-delimiter-in-c
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Mar 11, 2009
I am writing an calculator application and i dont know what datatype to use. i mean should the variables be single, double, decimal...?
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Dec 27, 2010
I'v designed a ms access database table with one field having Datetime datatype. I can Insert data into it from vb.net front end by trns_dt DateTime.Now.DateBut when I fetch records from the tableand assign the dataset datasource as da, it shows datatype mismatch error.
daleDbDataAdapter("SelectDaily_Transactiondtp_from_dt.value dtp_To.value con)
dsDataSet
[code].....
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Mar 8, 2010
anything wrong with using datatype object and determine datatype in class property? I have a typed dataset and it has several integers columns that are null in the db. and when I make a call it throws exception.is there anythign wrong with setting it as object in my dataset.. changing the throw exception property to Nothing and passing it to my property as integer?
for each row in myDS.DataTable
cRate.CustID = row.CustID
next row
and in my class
Public Property CustID() As Integer
Get
Return _custID[code].............
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Apr 30, 2002
I'm using a 3rd party chart COM object (National Instruments CW graph) to plot data versus elapsed time.The x value needs to be a VB6 equivalent Date type which is a .NET DateTime datatype.What I need is a way to convert a TimeSpan datatype to a DateTime datatype.
Dim testTime as System.DateTime 'date
Dim plotTime as System.DateTime 'date
Dim elapsedTime as System.TimeSpan[code].....
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Jan 15, 2012
I have a database in mysql. The column in table is of datatype time(0)
Similarly I have a control datetimepicker in vb.net I have assigned format property as custom to the control and the CustomFormat property as HH:mm:ss tt so that it can just provide the time. I dont want the date to be in it.
Issue comes when I try to retrieve the value from database I get an error as Converion of type 'Timespan' to type 'Date' is not valid
Try
Dim myCommand As SqlCommand
myCommand = New SqlCommand("select * from [HMS].[dbo].[DoctorSchedule] where DoctorID='" & txtDoctorID.Text & "'", Connection)
[Code].....
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Jan 2, 2011
I am working on a produce inventory database in my VB Express program.I have a form on the bottom and a spreadsheet at the top. I want to enter all the data in the form and have that data automatically transferred as a group to the spreadshet in the upper part of the page when I press a button.I know that there's an insert function.I set it up correctly. The problem is that I have to convert the textbox, which contain string data, to the datatype used in the database spreadsheet.HOw do I use CAST or do this?Here's the function I am using:
Me.TableAdapterManager.InventoryTableAdapter.Insert(IDTextBox.Text, fruitName, unitprice, unitsize, unitIn, unitTransit, unitOut)
Evernything is a string cause the data is coming from a textbox, I need to convert it to the datatypes used in the database.Also how do I use the CAST and Convert functions
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Dec 20, 2010
how do you convert a decimal ( decimal place holder = dot) to a decimal (decimal place holder =comma)?
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Nov 15, 2011
I want to now how to place a separator in the form. The one which is available in Menus
Example:
Label1
Label2
Label3[code]....
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Apr 21, 2010
I know how to add menu separator in under UI, but how can i add it programmatically.
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Jun 21, 2010
I am developing a window based application. I want to show my menu to be separated by a vertical separator. Just like this:
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Sep 8, 2011
I have a string variable with value "abcdefghijklmnop".now I want to split the string into string array with say 3 characters(last array element may contain less) in each array element from the right end.
[Code]...
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Jun 22, 2010
Suppose I have a number[code]...
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Jan 20, 2012
i need to comfine 3 string after i need to split it my problem is the 3rd string inside contains ,(Comma) so how to seperate by comma
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Nov 12, 2009
i have a main menu and when the program and launched the contents are cleared then a few items are added before loading in all the favorite websites and such. I'm trying to find the code to inset a separator after the items i have defined are inserted.[code]
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May 16, 2011
Where in VS2010 can I find a horizontal separator control, as can be found in Outlook settings (screenshots below)?[URL]..
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Aug 1, 2011
Feel pretty stupid for asking this but I'm looki to add a very simple horizontal line/bar/separator to my GUI for a small project.I'm using Visual Basic 2010 Express. Last time I did any programming was with VB6 and I'm sure you could do this easily with that version but 11 years is a long time.
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Aug 27, 2009
After converting all degrees-->decimal, and decimal-->hours, how can i use Tan, Cos and Sin formula in vb.net? I want the user must enter an input (which it is a coordinat-->i already convert the degrees-->decimal value as suggested by stanav and paul.
The questions like this (i only calculate on paper but dont know how to implement in code):
Input user need to enter:
-latitude local (e.g. 1.4875)
-longitude local (e.g. 103.3883333)
[CODE]...
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