Concatenate Date And Time From Two Different Datetimepicker

Jun 5, 2011

i wish to concatenate date and time from 2 different datetimepicker after concatenated I want it to be save in sql database format which is yyyy-MM-dd HH:mm:ss

I'm doing half way and my query is like below.

Dim insertCmd As New SqlCommand(Sqlstr, connection)
insertCmd.Parameters.Add("@School_Subject", Data.SqlDbType.NVarChar).Value = txtSchoolSubject.Text



Save Datetimepicker Value Of Date And Time In Two Separate Text Files?

Jun 12, 2011

I want to save datetimepicker value of date and time in two separate text files. Currently, when I select a date from datetimepicker and save it in a text file it saves both date and time as below:

5/11/2011 8:25:06 PM What I would like to happen is as below: Datefile.txt saves 5/11/2011 Timefile.txt saves 8:25:06 PM Alternative solution that can work for me would be, if the time (only the TIME) can be modified after saving as below: saved datetime into text file is 5/11/2011 8:25:06 PM

How can I modify the time only to say 12:00:00 PM. By doing so I would like to keep time as 12:00:00 but date can be changed by the user using the datetime picker.

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How Does DotNet Handle Parametrized Dates Where Programmatic Date Has No Time But Sql Date Has Time

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

WHERE CAST(FLOOR(CAST( 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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Record A Start Date And Time And Then The Stop Date And Time In A Rich Text Box

Jan 12, 2010

I am using VB 2008 and want to record a start date and time and then the stop date and time in a rich text box, i can get the start time into the box but so far can only stop the time instead of 2 seperate times, what i have is a drop down box with a list of computers 1-10 i was trying to get it so you picked a certain computer and that went into the text box then you started the timer and that was recorded, finally you stopped the timer and that was recorded but as i am a total newbie it does not work

Here is the code i have.

Public Class Form1
Dim time2 As Date


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SQL Exception On Insert Of Into Date Datatype: (Conversion Failed When Converting Date And/or Time From Character String)

Apr 8, 2010

Title pretty much says it all. How do I format the date of a dateandtimepicker to insert it into the SQL date datatype?

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DateTimePicker Control Set Time To 00:00:00 Instead Of Current Time

May 12, 2010

I have a form with the DateTimePicker control on it. When I select a date it gives a value like "date time" (Eg.: 5/12/2010 12:20:35 PM). But here the time returned is current time. What I need is for the date chosen from the picker automatically set the time to 00:00:00 instead of the time when the date was picked.

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DateTimePicker Control Set Time To 00:00:00 Instead Of Current Time?

May 12, 2010

i have a form with the DateTimePicker control on it. When I select a date it gives a value like "date time" (Eg.: 5/12/2010 12:20:35 PM). But here the time returned is current time. What I need is for the date chosen from the picker automatically set the time to 00:00:00 instead of the time when the date was picked.

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Use The DateTimePicker To Extract Days Diff From A Date Selected On DateTimePicker1 To A Date Selected On DateTimePicker2?

Mar 4, 2009

I am traying to use the DateTimePicker to extract days diff from a date selected on DateTimePicker1 to a date selected on DateTimePicker2. I have no problem substracting the daydiff in numbers of days. The problem I have is that I need the  DateTimePicker to tell me how many of those days are weekends (friday, saturday) and how many are weekdays.

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C# - Convert A Date And Time To UTC Time Based On The Time Zone Of The User?

Sep 6, 2009

I have an ASP.NET application with a SQL Server back end. I am storing all my dates in UTC format and doing the appropriate conversions to the local time zone of the browser viewing it. One of the pages asks for a start date and end date (no times).

I am taking the start date and setting the time to 00:00:00 hours (midnight) and I'm taking the End time and adding a time of 23:59:59, so that the date range covers the whole day. Now what I'm trying to do is do a SQL query to do a search for records in this date range. The problem is, the data in SQL is in UTC time and the user is typing their dates and times in their local date and times. My quickest solution was to convert the date and time to UTC, then search the records. However, by doing this, I am to believe ASP.NET converts the given time and date to UTC based on the server time zone. How can I convert a date and time to UTC time based on the time zone of the user?

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DateTimePicker Date Selection - Error "invalid Date"

Jul 1, 2010

I have the following


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.net - VB Date And Datetimepicker?

Apr 17, 2012

I was wondering what was the proper way to create a If statement for if the datetimepicker date is greater than 2 weeks from the current date.

I was thinking something along the lines of

If (datetimepicker.value > DateTimeInterval.Day(14))

but I am not sure the correct way.

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DateTimePicker - How To Get Value Of Date

Aug 9, 2011

I want to get the date value from till the selected value from datetimepicker. Ex.
date Today is 08/09/2011
selected date from datetimepicker is 02/08/2012

I want to show the dates between the 2 dates mentioned. For example I want to show the value of
Until it reached the selected value from datetimpicker.

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DateTimePicker - How To Set Max Date

Apr 18, 2010

I have a date time picker where the dates available to be selected on it is affected by the choice made in a combo box above it. If the user selects "Express Air" in the combo box for example, the minimum date in the date time picker must be either Today or Tomorrow. Nothing before, nothing after. How do I go about this? I tried:

Private Sub DateTimeExpressAir()
If cmbShipmentMethod.Text = "Express Air" Then
DateTimePicker1.MinDate = DateTime.Today
End If
End Sub

If also possible how do I set the MAX date to like, tomorrow, or 6 days after today, etc? DateTimePicker1.MaxDate = ??
But no success. I am using Visual Basic 2008.

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Take A Date From A DateTimePicker?

Aug 18, 2010

I am trying to take a date from a DateTimePicker, add so many days to it, then display the new date.

So far i have got:

Private Sub CalculateDateDue()
Dim RaisedDate As DateTime
Dim terms As Double


But it doesn't seem to perform the .AddDays function, but passes over it without any problems.

terms does convert to the right number, so i know thats not an issue.

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Add Datatable To Each Date Of A Datetimepicker?

Aug 4, 2010

i want to add datatable to each date of a datetimepicker   is this possible?

so when i select a date on datetimepicker  a datatable get displayed

i've tried For Each  but i don't know the code

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Auto-Add Date To Datetimepicker?

Jun 21, 2010

My problem is when i select the end day of the month it gives me a negative days[code]...

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Date Format In DateTimePicker?

Jun 6, 2011

The problem I'm facing now is when I set my DateTimePicker format yyyy-MM-dd, when I put a date in that column, they will auto generate the time now.For example, i entered 2011-03-30 but they will save in database 2011-03-30 10:56:54 AM.Question here is:How can I do where i want it to be "2011-03-30 00:00:00" ?

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DateTimePicker System Date?

Jul 30, 2009

My app uses about 14 date as the user progresses through and the dates are used to make a number of calculations.  In the process of debug I set the dates  in Properties so I would not have to enter them each time with all the other inputs to test the math and out put values.

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Edit Date With Datetimepicker?

Oct 7, 2011

i want to check the value date of the date time picker and add 5 days to the current date it is displaying

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Get Time As H:mm From A DateTimePicker?

Feb 27, 2011

I have a Date Time Picker control and need to get it to display as H:mm in a text box as a declaration so that I can transfer to a database, I do not want the seconds. I have tried using :ToString("H:mm") but it just zero's off the seconds ie..."13:45:00".

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Getting Only Time From Datetimepicker

Jan 27, 2012

I'm having a little problem trying to figure out how to get only the time from a datetimepicker.I've set up a datetimepicker to only allow user selection of time by setting Format to Time and ShowUpDown to True.However, when I store the value of the datetimepicker to a variable, it returns a date as well.[code]However, this seems like a really inelegant solution and I can't figure out how to get an AM/PM behind that.I feel like I'm missing some really simple solution that I'm just not seeing! There HAS to be a way to get just the time!

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Access - Datetimepicker - Able To Select A Date ?

Feb 15, 2010

Actually, I want to be able to select a date (example, 2/10/2010-) and it add it to the textbox, then select another date(example,3/28/2010) from the same datetimepicker and it appends it to the textbox.(It will be like this on the final click, 2/10/2010-3/28/2010 and save it to the Access database).

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Calculate Differences From One Date To Another With Datetimepicker?

Feb 27, 2012

Im a beginner at visual basic.  I did some codes refering to a form in which I need to calculate the differences between my my date of birth to another date.  I did a statement which gives me the difference between those in the format of years, but I need to know how I can put the months and days  example  if my birthdate is 11/26/1991 and I want to calculte how many years, month and days has transcurred until today it would be like 20 years 3 months and 11 days.


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Convert Date Format Used From Datetimepicker?

Jun 21, 2010

I need to convert date format used from datetimepicker as(dd/mm/yyyy) to (yyyy-mm-dd)

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DateTimePicker Cannot Select Highlighted Date?

Feb 27, 2009

When a user selects the datetimepicker, or types in the date in the text box, the calendar then highlights that date (for instance 02/02/2009) and puts the date in the text box.

If the user deletes the date from the textbox and then selects the drop down arrow again to show the calendar, the 02/02/2009 date is still highlighted. The user can select a different date or type in a date (including the highlighted one) - no problem. But if they wanted to select the same date they deleted, they cannot. No error message, it just leaves the text box blank.

Yes, it's very rare that that happens and they can highlight a different date, then go back in and highlight the 02/02/2009 date in a matter of two clicks but they want it fixed .

Not sure how I go about getting the calendar to clear the highlighted date once it has been deleted from the textbox?

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Datetimepicker Not Roll Over To A New Date At Midnight?

Mar 25, 2011

My datetimepicker hangs up at midnight and does not roll over to a new date.

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Error In Insert Date Using DateTimePicker

Jun 6, 2011

How to insert record date in my access db. I am using hdate as my field and his data type is short date

Here is my code
cmd.CommandText = "INSERT INTO hold ([hdate], des) VALUES (#" & myDate & "#, '" & TextBox1.Text & "')" cmd.CommandText = "INSERT INTO hold ([hdate], des) VALUES (#" & datetimepicker1.text & "#, '" & TextBox1.Text & "')" cmd.CommandText = "INSERT INTO hold ([hdate], des) VALUES (#" & DateTimePicker1.Value.Date.ToShortDateString & "#, '" & TextBox1.Text & "')"

But none of them insert on the table. The record will view on the datagrid but not on the physical table.

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Get The Previous Date In Datetimepicker.text?

Aug 15, 2011

get the previous date in datetimepicker.text?9/1/2011 i want to get the previous date 8/31/2011.

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Insert Date Into Sql 2005 But Without Using Datetimepicker?

Aug 26, 2010

I Want To Insert Date Into Sql 2005 But Without Using Datetimepicker In Vb Net 2005 forms every time i do it by using textbox got an erro converting iwant to use textbox like we use it in access with input mask is that avilable

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Query Date In Database With DateTimePicker

Aug 17, 2011

How to use a DateTimePicker to query a database table. Basically, when a day is chosen on the DateTimePicker, I want all the database entries for that day to be populated on Datagridview. My Datetimepicker name is datetimepicker1. The datagridview name is dgv. The database table is called QCAuditing and the row in the database, that has timedate, which I want to use for query is called date. I was wondering if someone can point me to the right direction here.

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Querying Date And Setting A DateTimePicker?

Mar 18, 2010

I am querying a date from my Access 2007 database in the format: MM/DD/YYYY It's then saved as a string

Depending on the month and day, it might be 1 or 2 characters. To set the DateTimePicker, it takes it as this format: DateTimePicker.Value = New DateTime(YYYY, MM, DD)

How can I switch around the characters in my string so that it can satisfy the format the DateTimePicker wants? I was thinking about some kind of reader that "consumes" characters until it reaches a delimiter ("/") and then does something with it. I remember doing that in JAVA but not in VB.NET

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Remove Default Date For DateTimePicker?

Aug 24, 2009

Is there a way to remove default date for DateTimePicker? It defaults to today's date and I couldn't find a way to remove it. For example - when user pulls up a record and there is no date in the field - it shows today's date which is misleading. We could have the cases when the field is not filled in yet and user might think that it has today's date in it when it's actually Null. Basically I need for date fields to be blank initially. We also have the other date fields that might have dates in it but we'd need to remove the value completely. Again - DateTimePicker doesn't allow it. We tried to use masked field as well but run into the problem where existing values with single month/single day (like 1/1 for example) were converted wrong with MM/dd/yyyy mask.

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Saving Date From DateTimePicker To Database?

Dec 4, 2011

I have an issue with date format in my SSRS. I am saving date from DateTimePicker to database. From there I am taking display in my datagridview using following


This displays it correctly (04-Nov-2011) but when I take date from the same database to my SSRS using

="Dated: " &Format(cdate(Fields!InvDate.Value),"dd-MMM-yyyy")

It displays it like 11-Apr-2011.

I have tested all winforms fare displaying it right but all SSRS are displaying it wrong.

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Use A DateTimePicker Instead Of A Fixed Date On My StartDate?

Apr 14, 2010

From part of the code below where it say`s "Dim
startDate As DateTime =
New DateTime(2010, 4, 9)"

How can I insert a DateTimePicker, So I can choose a date instead of inserting date (2010, 4, 9)I have done a lot of seaching on this problem with no result.Basicaly I want to use a dateTimePicker instead of a fixed date on my startDate (fisrt date of year).

Sub Timer4_Tick(ByVal sender
As System.Object, ByVal e
As System.EventArgs) Handles Timer4.Tick[code].....

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Using A DateTimePicker With CustomFormat 'dd MMM Yyyy' To Get A Date?

Feb 13, 2009

I'm using a DateTimePicker with CustomFormat 'dd MMM yyyy' to get a date like this...

Dim DateStarted As Date = dtpStarted.Value

dtpStarted is showing the correct date - 13 Feb 2009 - but the value I'm getting is #2/13/2009 10:37:53 AM#

This is causing an error when updating my SQL Server 2005 table with DateStarted, because it's in the US format. How do I keep it in the UK format?

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Calculate Time When Using DateTimePicker?

Apr 8, 2011

I'm new to VB and I'm so confused when using DateTimePicker. To be more specific, I have 2 inputs and two of them are Booking Start Time (BST) & Booking End Time (BET) (using DateTimePicker and set them as Time ). I should allow users to choose any time (including Minutes and Seconds)for BST (just need before than now) and BET. BET must be greater than BST at least ONE minute, but still also ensure it less than now (else it should appear a message box to tell specific problem). Then,system will calculate how long it is. [code]....

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Changing Time In Datetimepicker?

Jun 21, 2010

I have 2 datetimepickers on my form, and I use them to pass parameters to my sql queries for reporting purposes. You would use them to pick a date range and display clock in times for employees. Anyway, I need an option so users can see information from a single day(24 hour timespan) My first Idea was to let the user change the date on the first datetimepicker then changing the time to 12:00 AM then the second datetimepicker to 11:59 PM. I want to be able to do this programmatically, but I couldnt figure out how to change the time.

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Datetimepicker Time Value Comparison?

Aug 7, 2011

im trying to compare time value of to two datetimepickers, i tried to use dt_Start.Value.TimeOfDay > dt_End.Value.TimeOfDay but it doesn't work. btw, i trying to make a scheduler. here are some of my codes:

Dim strUpdate As String
If dt_Start.Value.Date > dt_End.Value.Date Then
MsgBox("End date is earlier than Start Date. Please check.", vbExclamation, "Error!")
ElseIf dt_Start.Value.Date < Today.Date Then


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IDE :: Datetimepicker When Dealing With Time Only?

Jan 6, 2010

I sure this has been asked more then once... New to and I have been experimenting with a datetimepicker and how it looks at and deals with time. What I am trying to do is to add up my time (not worried about the date at all). I have it figured out and can get it to work so long as I do not go over 24 hours... and that is where my issue comes into play.

How do I display my total time in hours once it has gotten over 24 hours ( I do not want days.. just hours) for instance, a 40 hour work week, not 1 day and 16 hours.


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Remove Time In Datetimepicker?

Oct 9, 2011

How do i set only date will be inserted into the database using Datetimepicker??

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