Sql Datetime Parameter Rounding?
Sep 28, 2010
My question is with regards to SqlCommand parameters in VB.NET. I have a database table which contains a datetime column, and I am trying to return all records between a daterange / time. I am using the syntax 'WHERE recordDate BETWEEN @StartDate AND @EndDate', and specifying the parameters using sqlComm.parameters.addwithvalue("EndDate", datetimeVar), etc.
My issue here is that when my datetimeVar contains '8/31/2010 11:59:59 PM', it ends up getting rounded to '9/1/2010'. I can only tell this by the results I am getting back, which include the records from '9/1/2010 12:00:00 AM'.
Am I missing something here or is this a bug? The parameter is of type DateTime, and the value is correct at runtime. In the meantime I have no issues if I write the datetime into the sql string itself ('WHERE recordDate BETWEEN '" & datetimeVar
& "' AND ...), but obviously I would prefer to use parameters for this.
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May 8, 2009
I have a Search Form that can search by a few different fields. The problem field is birthDate. On the form it is a string. In the SQL 2005 db it is a DateTime that can be null.
The code below is sequential as far as declaring the variable on the form and then setting it. Then the call to the BLL and then the call to the DAL.
On this line -->
dgvSearchResults.DataSource =ConnectBLL.BLL.Person.Search(_firstName,_middleName,_lastName,_sSN, (DateTime)_birthDate,_applicationID,_applicationPersonID,_fuzzy);
[Code]....
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Oct 22, 2011
I am trying to store a time from my textbox field value but I got this exception error,Failed to convert parameter value from a TimeSpan to a DateTime.[code]
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Nov 13, 2011
I tried the following, but i get the error
constant expression is required
Public Sub ExampleSub(ByVal Test as string,
Optional ByVal fromDate As System.Nullable(Of DateTime) = Date.Today)
'A Great sub!
[Code].....
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Apr 27, 2011
i'm trying to execute a SQL stored procedure with a parameter that needs the SQL datetime format as:
Dim str_runproc As String
str_runproc = "exec UP_stopactivity @Activity='" & DGV_currentactivities.CurrentRow.Cells(0).Value & "' ,@Client='" & DGV_currentactivities.CurrentRow.Cells(2).Value & "',@starttime='" &
DGV_currentactivities.CurrentRow.Cells(3).Value & "'"
the DGV_currentactivities.CurrentRow.Cells(3).value is a datetime value that is put into a Datagridview via another stored procedure. When I run it in sql, it lists as a correct SQL datetime: 2011-04-27 05:54:51.003, in the datagridview it lists as: 27/04/2011 5:54:51
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Nov 25, 2011
I am inserting data from vb.net to oracle but I am unable to insert datetime except date into oracle. I want to insert date and also time of entry into database:
cmd.Parameters.Add(":STARTING_DATE", (OleDb.OleDbType.[Date].))
cmd.Parameters(":STARTING_DATE").Value = DateTime.Now()
cmd.Parameters(":STARTING_DATE").Value = txtStartDate.Text
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Jun 13, 2011
I am having trouble with a mySQL query with the .NET connector. When I create the query, it automatically creates my parameters as objects. I usually change the type to the correct type, which in this case is Date, but I get different results passing in the parameter as a date.When I do "Preview Query" as an object, I get the correct results, but bad results as a Date. I would just leave them as objects, but it errors out when I try to pass a date in.Here's the part of my query that I'm having trouble with:
(Tickets.Resolved >= str_to_date(@startDate, '%m/%d/%Y')) AND (Tickets.Resolved <= str_to_date(@endDate, '%m/%d/%Y')) AND
(Tickets.Status = 'resolved' OR
Tickets.Status = 'rejected')
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Mar 3, 2011
I have a stored procedure which updates a database using the parameters I supply but I'm having trouble passing a NULL to the stored procedure
The field I need to make NULL is a DateTime field
DB.Parameters.AddWithValue("@date", NULL)
This gives me the error 'NULL' is not declared. 'Null' constant is no longer supported; use 'System.DBNull' instead
[Code]...
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Mar 23, 2011
how to convert string to datetime and calculate date
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May 7, 2010
I'm trying to match a certain DateTime value with the current system DateTime. I have a timer and a label on a form. Timer interval is set to 1000. When the form loads, the timer starts ticking. As soon as the current DateTime matches the value of the variable, it shows a message in the label. When I'm writing the following code, the values don't match even if the current system DateTime is equal to the variable. Label1 isn't showing 'Times Matched':[code]The default format of 'Now' is the same as I have stored in dtmVar variable. So there's no question of format mismatch. Does that mean 'Now' is not actually a DateTime property? Provided, my O.S. is Windows Vista Ultimate and all date/time settings are set to default.
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May 1, 2010
I'm trying to match a certain DateTime value with the current system DateTime. I have a timer and a label on a form. Timer interval is set to 1000. When the form loads, the timer starts ticking. As soon as the current DateTime matches the value of the variable, it shows a message in the label.
When I'm writing the following code, the values don't match even if the current system DateTime is equal to the variable. Label1 isn't showing 'Times Matched':
Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
Dim dtmNow As DateTime
[Code]....
Why is it so? The default format of 'Now' is the same as I have stored in dtmVar variable. So there's no question of format mismatch. Does that mean 'Now' is not actually a DateTime property? Provided, my O.S. is Windows Vista Ultimate and all date/time settings are set to default.
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Aug 8, 2011
datetime1 and datetime2now two fields are have data ( date )in table recordi want to update only datetime2 is an emptyi am using visual basic 2010 ( visual studio 2010
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Dec 27, 2010
I try to compare Datetime.Now with a Datetime variable I set, using the Datetime.CompareTo() method. I use a timer to compare these every second and display the result, but as the current time approaches the time I set, the result changes from 1 to -1, but never 0, which means these two are never equal. I'm suspecting the Datetime structure contains milliseconds?
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Mar 14, 2011
Assume the following program is started at 1:59:01 AM on 3/13/2011 in the United States. The first time Timer1 ticks what will be the value of the TimeSpan (ts)?
Public Class Form1
Private Sub Timer1_Tick(sender As System.Object, _
e As System.EventArgs) Handles Timer1.Tick
[code].....
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Jan 29, 2011
I'm trying to add the date and time of Today into a Sql-database-field that has the datetype datetime.
[Code]...
the msgbox gives me the following result: 29/01/2011 18:49:21 my sqlException gives me the following error: 102 - Incorrect syntax near '18'. Is it better that i set the datatype to char in my sql database? It's maybe a bit easier? When I do that, can I calculate with these date?
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Apr 21, 2011
Following code doesnt work and raise error "A parameter is missing. [ Parameter ordinal = 1 ]".What s wrong with it?I am developing pocket pc application in vs 2008 and sqlce 3.5 sp1.
[code]....
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Mar 21, 2009
I'm Trying to Call the Stored Procedure which has one input Parameter and one output parameter . VB.net code is below
[Code].....
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Mar 9, 2011
I want to have a "template" function that can receive different parameter and a type parameter, like:[code]But Vb told me that tupeList is not defined... is there a way I can do that?
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Oct 26, 2011
Is it possible to make a procedure have a single parameter but the values for that parameter are more than one? I have this procedure:
Public Sub autoComplete(ByVal cboCombo As ComboBox)
With cboCombo
.AutoCompleteMode = AutoCompleteMode.Append[code]....
Now I was wondering if there is a way to use it like this:
autoComplete(myCombobox1, myCombobox2, myCombobox3)
Or can I use a procedure like this with 'With...End With'?
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Mar 1, 2009
I have a method which requires a parameter to be passed in. I would like to use the Addhandler to call the method through a dynamically created button control's click event.
When I include () in the AddressOf, VS complains: 'AddressOf' operand must be the name of a method (without parentheses).
When I exclude the brackets, VS complains: Method '...' does not have a signature compatible with delegate...
My code:
CODE:
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Dec 10, 2008
One of the things that I think is really cool about VB.NET is how built-in functions and subs have extra help text in their ToolTips like "Expression: String expression to search for replace string." as well as the usual "Replace(...parameters...) as string" text. So are the pop up boxes with things like "CompareMethod.Binary" or "CompareMethod.Text." And finally I like how some functions and subs have different sets of parameters for the same routine. For example, New FileStream() starts with either a path (string) parameter or handle parameter, but none of the 15 sets of parameters contain both path and handle parameters. Is there a way that I can set up the classes and functions I write to use these things or do they only work with built in classes and functions? If there is a way, what are the proper names for them so I can look them up in the VS/VB documentation? I would be happy enough if someone would give me an example of them, but it would be nicer if I could go through the documentation and find out if there are other cool things that are related or near by.
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Dec 15, 2009
if i have an integer a_variable = 1.1 how do i round it up to 2?
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Sep 12, 2011
I have very basic question, I'm really not familiar with vb.net.
I have code like this: Dim minutes As Integer = (55 / 60)
I want this to return 0 to me, integer 0 (no decimals), but vb.net rounds this to 1.
Can someone hint me up how to accomplish this ?
edit. OK for those with same problem try dividing with (Yeah, it's not escape character in vb.net)
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Mar 29, 2012
How can I round 4.39 to 5 in VB.NET? I tried:
Math.Round(4.39, 0)
But it displays 4.
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Jun 9, 2011
i'm new to this forum and my doubt is i'm having three text box and say for eg.textbox1.text,textbox2.text,textbox3.text. and we are giving 4.52 and 8.76 as input in textbox 1 and 2 respectively the actual output we obtain is 39.5952, but i should get it as 39.59(only two digits after decimal point and no rounding) in textbox3
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Feb 23, 2009
How can I round a percentage off to the nearest whole number? [code]
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Mar 23, 2012
I need code that would take the input from textbox "Txtkbb" and divide it in half then round to the nearest 25 and store it in value "KbbValue"
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Feb 15, 2012
I have a number like 6511 and I want to round it up to 7000. How do I tell the computer to round the numbers to the thousands place. I know how to round decimals but not whole numbers.
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May 19, 2010
what is the syntax to round up a decimal leaving 2 digits after the decimal point,
ex: 2.566666 -> 2.57
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Jul 8, 2009
Lets say my number in text box is 0.376 (3 numbers after decimal) how to round it in a same text box to 0.38 (2 numbers after decimal). Basically any number to x.xx form . Can I have a code for that please
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