Asp.net - Manipulating The Date And Time From A Datetime Sql Server Type
Aug 25, 2011
I'm trying to create an auction site using asp.net. My auction's start date & time and end date & time are stored in my sql server 2008 r2 database as datetime types. I'm using vb.net. I'm trying to create a select statement in which I can query the date and time portion relative to the current date and time (so as to only display current ongoing auctions). I can successfully query the date portion using the Date.Now function, but the time is giving me a hassle. DateAndTime.Now doesn't work. I've even tried to separate the time and date in the database, but I still can't get an effective query. Here are two examples of code which I've tried:
[Code]...
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Feb 1, 2012
I have two datetime variables in VB.Net [code]I want to add both these variable in single DateTime variable , i didn't find any .Net function to do that.Is there any other way to do it?
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Jul 4, 2010
[Code]...
I prefer to solve this problem at application rather than db level. NOTE: DueDate in database is of type datetime. I'm coding in C# interacting with Sql-Server. I hope my question is clear enough.
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Jul 30, 2011
I'm getting date-time from a source as 20110731183330. I want to convert it to '7/31/2011 06:33:30 PM'. Is there a one line code for the same in vb.net?
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Apr 16, 2009
I have the properties. I have the format property set to TIME. The text box on the form now shows the time. But when you click on the pull down, you get the date picker.
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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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Jun 7, 2011
Is there a framework class that converts the partial day strings on these forums to a DateTime? Examples are "a few seconds ago", "19 minutes ago" and 3" hours 26 minutes ago",
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Jun 20, 2011
I am using OleDb, trying to do this:
Dim d as Date = DateSerial(Year(rptDate), Month(rptDate), 1 - 1)
Dim conn as OleDbConnection = new OleDbConnection(connStr)
Dim cm as OleDbCommand = new OleDbCommand()
[code]....
I know that d is the same date as the one in SQL server, specifically 3/31/2011 12:00:00 AM.
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Apr 19, 2010
I am building an application that needs to store different time of day values in dateTime fields of an Access database.I am trying to enter the time value's via a DataGridView using TextBoxColomn s.The coloms are formatted with the defaultCellStyle property to show only the time part of the datetime.After i save the entered data and look in the database itself, i see not only the time, but also the (current) date in the datetimefields. This raises a problem when i want to compare the timevalues later on in the functionality of the program i am building.(Of course it is simple to seperate the date and time part in coding of the program, but it would be more elegant (i think) if i could just save only the time part in the database (and have the date part of de datetimes left to 0))I have tryed via the CellFormatting and the CellParsing events, but no luck.I am new to visual basic and probebly missing out on something.
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Dec 26, 2011
I need to display on my datagridview the data from MYSQL db, but I'm having a problem on a field which is in DATE format in mysql
cmd.CommandText = "SELECT * FROM tbl_user_log"
cmd.Connection = sqlcon
dr = cmd.ExecuteReader
[code].....
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Jun 24, 2011
I am attempting to import data in a batch from an Excel Worksheet to a Sql Server database. Everything works except for the one date field in the spreadsheet. The date returned is off by four years from the value in the spreadsheet. Example: The Excel sheet has a date 10/24/2010 14:18, but when I look at the column in my query, the date is 10/23/2006 2:18. This pattern, 4 years and 1 day earlier, is repeated for every row in the worksheet.
The Excel column comes to me as a custom type, formatted m/d/yyyy h:mm. I receive this from an outside vendor and having them change the column is not going to be my simplest solution.
For what it's worth, the relevent part of the query is:
Select [Date Created] From MyWorksheet
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Dec 18, 2008
I have an Sql server 2005 table called Emploeefl with 2 fields, EmployeeCode and Date of Birth. The data type for the date of birth is Datetime. I have a Date time picker on a vb.net 2005 form called dtDateOfbirth. When I click on the save button I get the error message "Conversion from string 'yyyy/MM/dd' is not valid. Below is the code
Dim newQE_Date As Date
newQE_Date = Format(Me.dtDateOfBirth.ToString, "yyyy/MM/dd")
'newQE_Date = String.Format("2008/09/10", "yyyy/MM/dd")
[Code]....
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Jan 12, 2010
[code] "The conversion of a char data type to a datetime data type resulted in an out-of-range datetime value.The statement has been terminated." [code]
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Aug 25, 2011
I have a problem regarding to the date and time.im using combobox for the date and i make of variables..this is my code.[code]i dont know what is my error..but my syntax to insert data its correct..
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Jan 31, 2009
I have got a MySQL database that has got some dates stored in a Date format (YYYY-MM-DD) however when i try and import the data i get an error saying: "Unable to convert MySQL date/time value to System.DateTime"
[Code]...
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Aug 25, 2009
I need to get FTP server current date and time.
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Dec 8, 2009
I am making a Punch card system for the company, so employees can punch in and out from their computers.i cannot get the date and time from the client computer because they can change the date and time. So I will need to get the date from our SQL server.
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Sep 13, 2009
Im using a MySQL Server and id like to know the date and time that its running...Here's the query:
SELECT GetDate
But im getting an error saying there's no such field in the database.Everything is fine i know how to connect im just bored writing the code here....Do i have to Execute the query or read it?Im using a Reader...
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Jan 13, 2010
why did they make this so hard to do. Does anyone have any clear cut, basic 3-4 lines of code that can tell me how to add 2 time variables together to create a 3rd variable? I tried this but on Time2 I get Value of type 'Date' cannot be converted to 'System.TimeSpan'.
[Code]...
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Mar 17, 2010
I have a table named fec in which i hv column named EndDt having Date/Time Data type.Now i want to display those records in my report which have EndDt less than Date i pick from DateTimePicker and month is current month.Private Sub DtpDefault_ValueChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles DtpDefault.ValueChanged
[Code]...
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Feb 28, 2012
i'm doing attendance monitoring system. i cant find out how to show datetime in datagrid taht will shows date or time only.
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Apr 27, 2012
I have a datetime field in a SQL Server 2005 table that has values like this:
2012-04-23 09:00:00.000
2012-04-23 14:00:00.000
The minutes, seconds, and microseconds are always zero. I need to display a "time slot" (basically, the time plus one hour) like this:
2012/04/23 09:00 AM - 10:00 AM
2012/04/23 02:00 PM - 03:00 PM
I got what I needed using this:
[Code]...
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Nov 20, 2010
How to display full server date and time in vb.net ?
i want to display server date as 20-Nov-2010 in textbox1 and time as 08:11:00 AM in Textbox2 on page load event
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Sep 26, 2009
I have a datetime field in a SQL Server 2005 table that has values like this:2012-04-23 09:00:00.0002012-04-23 14:00:00.000The minutes, seconds, and microseconds are always zero.I need to display a "time slot" (basically, the time plus one hour) like this:
2012/04/23 09:00 AM - 10:00 AM
2012/04/23 02:00 PM - 03:00 PM
[code].....
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Mar 15, 2012
I have a LAN connection with my project and I need to display a running time and date of with labels anyone have an idea? Is it curdate and curtime?
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Feb 4, 2012
I have a program in vb.net and with it I have an expiration Key. As an example I would like this key to be valid for 3 months .I don't want to use the users system.date in case the user changes the date.Could a public server's date time be used instead.
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Sep 12, 2011
I have a database table that stores a datetime value.I want to display that value on my asp.net textboxes, except I need to show date value in TextBox A and Time in TextBox B.How can I split those values in VB.NET?
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May 29, 2009
I have this situation where I have a SqlDatasource control and the select query is like:
SELECT col1, col2 FROM table1 WHERE colDate = @date
The source of @date is a label with the text: 2009-05-29 12:06:00 I get the following error when I run the query:
Conversion failed when converting date and/or time from character string
I tried using convert(datetime, @date), as well as different date/time formatting of the label itself. Everytime I get the error.
However, when I run the query in the management studio like:
SELECT col1, col2 FROM table1 WHERE colDate = '2009-05-29 12:06:00'
I found out that the @date is parsed as 05-29-2009 01:30:00 TT I don't know where the TT is coming from? And I'm sure SQL Server wouldn't be able to handle it?
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Dec 14, 2011
i need to select some records from table Tr_cashbook between two date. the date field is newdt in which i need to compare data and the records should be shown in crystal report named rptCash2. the newdt field has datetime property. here is the code on the command button
bdcon.Open()
Dim QueryString As String
QueryString = "Select * from Tr_Cashbook where (Cast(newdt as date)>= " &
[Code]...
but this is not working when i press the command button it gives error as operand type clash: date is incompatible with int.
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Jul 16, 2010
Thought I'd see if Stack overflow is quicker than me testing something while I get a thousand interruptions from other work :)
I'm updating an old VB net application and trying to refactor some of the logic as I go. The app looks for data from a single date across a few tables and writes that view to a file.
Writing the query in SQL I'd get the equivalent of
SELECT * FROM table
WHERE CAST(FLOOR(CAST(table.date AS float))AS datetime) = '15-Jul-2010'
Ideally I'd use
SELECT * FROM table WHERE date=@input
and add a date object as a parameter to a System.Data.SqlClient.SqlCommand instance
Are those two comparable? Will I get the results I expect?
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