C# - VB 2008 : Convert String "08:30:00" To Datetime "08:30:00"?
Jan 5, 2011
I'm working in Visual Studio 2008.I have a string input in the format "hh:mm:ss" which I want to convert into a dateTime in the same format.I have used the Convert.ToDateTime() function which converts it but adds a date to it as well. Is there a way to convert it without adding the date?
scanStartString = "08:00:00"
scanStart = Convert.ToDateTime(scanStartString)
'scanStart = "16/05/2011 08:00:00"
'required "08:00:00"
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Mar 23, 2011
how to convert string to datetime and calculate date
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Jul 30, 2009
I have a Session variable in which i have stored one date '22/7/2009'.Now i want to convert value in session to datetime. I tried folowing code:
Session("AppointmentDate") = Request.QueryString("ADate")
Dim s as datetime=Convert.ToDateTime(Session("AppointmentDate"))
But error is showing as 'string is not recognized as a valid datetime'. convert value in Session to date?
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Jul 16, 2010
am making a project were the user can put a specific time in a textbox. the program needs to check the system time and the time in the textboxif they are the same there needs to start an action.
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Mar 10, 2010
I need to convert a text "WER20903.10" to a date
Dim Filename As String
Filename = "WER20903.10"
Filename = Filename.Substring(4, 7)
Dim dt As Date
dt = CDate(Format(Filename, "ddMMyy"))
Im getting the error: Conversion from string "ddMMyy" to type 'Date' is not valid.
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Sep 27, 2011
Using VB.Net
When i click the gridview column, that selected column items should appear in the datetime picker
GridView Column value is string, datetime picker datatype is datetime
Code
Private Sub gridview1_CellContentDoubleClick(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles gridview1.CellContentDoubleClick
Dim i As Integer
[Code]....
When i clicked the gridview column, it is showing error as "Conversion from string "25/09/2011" to type 'Date' is not valid"
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Jan 17, 2011
looking to convert this string into datetime20101119T162837And then also how to compare this string to current time so I can say, i.e:
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Aug 3, 2009
I have the following sql select statement in my code:
Code:
sql = "SELECT * "
sql &= "FROM Trn_DC_All "
sql &= " WHERE (Content LIKE '% PAGE%') AND Convert(datetime,Substring(Right(Trn_DC_All.Content,21),2,10),7) >= " &
[code]....
Basically, for the substring in the select satement,the datatype is string. By the way, the strFromDate and strToDate datatype are string also.Actually I would like to select the data from database whereby the Substring(Right(Trn_DC_All.Content,21),2,10) is larger than strFromDate but smaller than strToDate.The dataformat in the database is "Feb 01,09" and the strFromDate,strToDate format is "20/07/2009".What should I change in my select statement so that it can retrieve the data?
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Apr 21, 2010
Need to convert a string to normal datetime format so it can be correctly inserted onto a datetime type field. String Format: 4/21/2010 4:43:03 PM Example: 2010-04-21 16:43:03.000 I have clarified question: The need is to change format and not type.
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Jan 23, 2012
Need to convert this string:
Mon Oct 31 16:18:15 CDT 2011
Into a valid DateTime value.Have tried every variation of the date time styles with DateTime.Parseto no avail.
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Aug 31, 2010
how do i convert the string
30.10.2009 in date?
(dd.mm.yyyy)
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Jun 8, 2010
I wish to convert my string in format dd/mm/yyyy hh:mm:ss to a DateTime of the same format.
Dim ukCulture As System.Globalization.CultureInfo = New System.Globalization.CultureInfo("en-GB")
Dim myDateTime As DateTime
myDateTime = DateTime.ParseExact("18/05/2010 23:42:10, "dd/MM/yyyy HH:mm:ss", ukCulture)
When I step through this code the variable myDateTime is 05/18/2010 23:42:10 it appears that the dd/mm is the wrong way around and I cant work out how to correct this.
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Nov 11, 2010
I can't seem to be able to convert a string that contains date value of "100714 0700" (2010-07-14 7am) to a date format in vb.net 2005.
When I attempt to do:
Dim provider As Globalization.CultureInfo = Globalization.CultureInfo.InvariantCulture
strPickupDateTime = DateTime.ParseExact(txtPickupDate.Text, "yymmdd", provider)
I get back "1/14/2010 12:07:00 AM". How can I get a value of "2010-07-14 7:00"?
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Feb 1, 2011
I have been struggling with this problem for several hours now and can't find the reason for the error message...I am reading a datetime string from a txt file, it returns this:"01/31/2011 6:13 AM" Now, I want to convert this string to datetime format. I don�t want to change the structure of the date... just want to convert in order to do some minutes and seconds calculations.I have tried all kind of options:
Timespan
Datediff
Parse
ParseExact with format.... culture... globalization
Nothing seems to work!
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Jul 3, 2009
i have a string "07.03.2009 17.06.00" that i want to convert to datetime. i have tried
DateTime.ParseExact(Me
.Text, "MM.dd.yyyy HH.mm.ss"
, New
System.Globalization.CultureInfo("en-GB"
, True
))
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Jul 8, 2009
I got the dates stored as varchar(100). I need to get them sorted when I use these records but I can't now because they are not stored as datetime. Is there any other way to sort dates or if somebody know would I loose my data if I would try to convert the column from varchar(100) to datetime now as it holds my dates or maybe it would convert ok?
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May 16, 2011
I'm working in Visual Studio 2008.I have a string input in the format "hh:mm:ss" which I want to convert into a dateTime in the same format.
I have used the Convert.ToDateTime() function which converts it but adds a date to it as well. Is there a way to convert it without adding the date?
scanStartString = "08:00:00"
scanStart = Convert.ToDateTime(scanStartString)
'scanStart = "16/05/2011 08:00:00"
'required "08:00:00"
View 3 Replies
Jun 30, 2011
I have result string date xml export from database like "2011-06-27T14:03:19.5300000+07:00". How to Convert to format datetime fully(date and time) in C# or VB.Net language datetime?
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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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Dec 1, 2011
I am importing a .txt file to a gatagridview and writing out a Schema.ini fileMy columns that contains a date value is empty in my DGV when i use the:DateTime in my .ini fileIf I set it to Char then my date is populatedDoes this mean my dates in the text file are not really dates but strings ??
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Jun 29, 2011
I'm creating an XML file from values contained in a datatable. When I try to write an XML date value, I receive "String not recognized as a valid datetime. The dates that are stored in the datatable column is in this format "yyyymmdd". I tried to use XmlConvert.ToDateTime but I get a warning about the method being obsolete and I'm not sure what serialization mode I should use. How would I format the date from the datatable to MM/dd/yyyy and write to an XML file?
XmlWriter.WriteElementString("Add date", XmlConvert.ToDateTime(dr("Date_Added").ToString.Trim)))
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Feb 10, 2011
when saving the "conversion failed when converting datetime from character string" is displayed.
Private Sub BtnSave_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnSave.Click
Try
Dim cn As New SqlConnection(ConnectionString)
cn.Open()
[code]....
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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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Oct 27, 2009
How do I convert ISO datetime to locat EST with vb.net?
I have input time as e.g. "20091027T1639Z" which is ISO GMT.
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Mar 30, 2009
I have a dropdownlist that displays time only.Like 8:00AM,8:30AM............When i save this time to database i want to save as todays date + time.eg:8:00AM as 03/30/2009 8:00:00:000.
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Aug 3, 2011
Currently, I'm using the following code to pull info from the management class.
[code]...
I'm also pulling info from the bios, disk drives, video, etc. What I've noticed, is although it runs fine on my pc, it may error out on some pcs since it is hardware dependent.I'm having trouble implementing a check to find if it exists before I convert to a string and add it to my overall string.
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Feb 21, 2012
I have this date format yy/MM/dd HH:mm:ss ex: 12/02/21 10:56:09. The problem is, when i try to convert it to different format using this code: CDate("12/02/21 10:56:09").ToString("MMM. dd, yyyy HH:mm:ss") It displays Dec. 12, 2021 10:56:09. How can i correctly format it to: Feb. 21, 2012 10:56:09? This format is returned when i check balance inquiry fro my SMS based application.
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Apr 23, 2009
I get this result for "select GETDATE()"
2009-04-22 23:09:02.590
What is the best way to convert the datetime to only char like below?
20090422230902590
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Jul 2, 2010
I want to insert only date into the db but in the following statement that I've wrote which inserts the date in mm-dd-yyyy hh:mm:ss format.
InsertCmd = "Insert into Blotter (Name, Product, Date_Time) values ('" & NameLabel.Text.Trim() & "','" & ProductTextBox.Text.Trim() & "','" & TimeLabel.Text.Trim() & "')" & "Update Blotter Set Name = UPPER(Name)"
I have tried the following code, however it didn't work.
InsertCmd = "Insert into Blotter (Name, Product, Date_Time) values ('" & NameLabel.Text.Trim() & "','" & ProductTextBox.Text.Trim() & "','" & (CDate(TimeLabel.Text.Trim().ToString("MM/dd/yyyy")))& "')" & "Update Blotter Set Name = UPPER(Name)"
[code]
I also tried format the TimeLabel as below but still didn't work. [code] TimeLabel.Text = CDate(DateTime.Now).ToString("MM/dd/yyy")
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Mar 25, 2011
how to convert Decimal To datetime?
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