C# - Grab Date Only From A Variable Of Type DateTime?
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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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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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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Jun 24, 2010
if I create a variable like
dim DT as new Datetime
automatically the date is set to 01/01/0001
is there a better way to check that no value has been assigned to the variable a part to compare the datatevalue?
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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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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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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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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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Aug 3, 2009
What I am trying to do is to grab the value of a variable placed in a AxShockwaveFlashObject into a textbox placed in a VB .net form.I tried this code, but it requied an End Of Statement:
AxShockwaveFlashObject.GetVariable("_root.something") As String = TextBox1.Text
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Apr 14, 2010
I have this function:
Public Sub DoStuff(ByVal type as System.Type, ByVal value as Object)
End Sub
The 'value' argument is always an array of the same type as 'type'. How can I loop through the values of the array?
I'd like to be able to do something like this:
DoStuff(GetType(Integer), New Integer(){1,2,3})
Public Sub DoStuff(ByVal type as System.Type, ByVal value as Object)
//Strongly types arr as Integer()
[Code].....
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Dec 23, 2010
I decided it's time to migrate from VB6 to VB.NET and am currently translating my radio player but have run into several issues so I might be on this forum for the rest of the day... Anyway, in VB6 I used Inet to get the source of a PHP page that had the current song that was playing on the SHOUTcast stream. I can't seem to get Inet to work and figured I would just look for another method so I wouldn't need to pack msinet.ocx along with the finished product.
How can I get the source of the PHP page and store it in a variable or textbox/label.
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Feb 28, 2009
I use a simple for each loop toi grab a piece of data from a regex like:
[Code]...
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Oct 10, 2009
I'm aware that questions like this have been asked before and I doubt it's possible, but I just wanted to make 100% sure that it isn't.In VB.net or C# (either language, it doesn't matter), I want to cast a variable to a type represented by another Type variable. Here's an example of the kind of code that would be needed in C#:
Object castMe = new Foo();
Type castTo = typeof(Foo);
Foo beenCast = (castTo.GetRepresentedType())castMe;
[code].....
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Jun 12, 2012
the last date was saved on database is: 6/13/2012 12:27:30 PM
In my DateTime Now is:6/13/2012 01:27:57 AM
but, when I execute this function, it always say:"Date has been manually modified, Please Set to Valid DateTime" But, DateTime Now is NOT lessthan the Date from my Database. What's wrong?
This is the code, please correct it,
[Code]...
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Apr 11, 2011
From what I can tell Date and DateTime have the same functionality. Is there a reason why I would want to use one instead of the other?
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Nov 1, 2009
how to change datetime variable in sql? I nee only time without date in textbox?
There's code:
Dim
connetionString As String
[code].....
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May 12, 2009
I have a datetime for eg:23/9/2009 10:00:00 AM .I want to get date from datetime.Means 23/9/2009 .
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Apr 1, 2009
Duplicate: How to truncate a date in .net? I have datetime field containing '4/1/2009 8:00:00AM'. I want to get '4/1/2009' without the time.
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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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Apr 5, 2011
I'm pulling into a variable a datetime value. Now, I want to post this value back to my database, but I need it to be only the year digits. How do I get VB.NET to trim the month, day, and time off and just return the four character year (e.g. 2011)?
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Sep 22, 2010
How can i get only date from date and time picker.
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Jun 22, 2010
How to retrieve only date from DateTime in vb.net in dd/MM/yyyy format and I have a field in table in access 2007 which has date/time datatype. Data is stored in datetime format.(04/08/2010 12:01:07 AM) I want to retrive only dates which are in range of two DTPickers in dd/MM/yyyy format [Code]
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Dec 6, 2010
why is it that we have a date and a datetime which are exactly the same thing, and is it preferred to use new Date or new DateTime?
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Nov 27, 2009
how can i set the DateTime object to the date i want? dim DT as DateTime
DT.Date="2/2/2004 12:00:05"
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Jan 25, 2010
Need to change datetime with time variable in this code, i tried bu it gets error
Public Sub SetWakeUpTime(ByVal time As DateTime)
bgWorker.RunWorkerAsync(time.ToFileTime())
End Sub
[Code].....
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Apr 15, 2009
I have a datetime variable (00:00:00) and I like to increment with a timer every seconds...minutes.. hours...etc...
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Oct 22, 2009
I need to obtain time values from a SQL DB. However, I was able to set the datatype for the respective column in the SQL table only to "datetime" as there is no "time" option in the dropdown list in the Visual Web Developer. Namely, I want to bind a Listbox control only to the time data (i.e. not to "dd-mm-yyyy hh:mm:ss"). I tried to convert the datetime values to string and then extract the last 9 chars that refer to time.Unfortunately, my attempts to do that with SubString have failed:
weekDays.DataTextField=Convert.ToString("Start").SubString(length("Start")-10,9)
where:
weekDays - ListBox
[code].....
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May 3, 2009
How can I "truncate" a DateTime variable so that only e.g. the current minute remains?
Like in:
Dim myDateTime As DateTime
myDateTime = Now
.... (what would have to come here)
If Now is e.g. 15:43:21 then leave only 15:43:00 in the variable?
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Jan 3, 2012
I am trying to parse a date from a textbox and store it in a date variable
Dim enddt_2 As Date = Date.ParseExact(txtenddt.Text, "dd/MM/yyyy", System.Globalization.DateTimeFormatInfo.InvariantInfo) 'txtenddt.Text
expenddt_1 = enddt_2.AddDays(-1)
enddt = enddt_2.ToString("dd/MM/yyyy")
enddt is a Date variable and when i convert enddt_2 to a string i get the error as
Conversion from string "17/01/2012" to type 'Date' is not valid.
Let me clarify, if a value in textbox is 17/01/2012 than after parsing the value is changed to 01/17/2012 (my systems Region and Language are dd/MM/yyyy) in enddt_2 and when i try to convert to dd/MM/yyyy format and store into a date variable i get the above error. This error comes only for the dates after 12. i.e a date variable accepts a date in MM/dd/yyyy format.The dates before 12 work fine, i.e for all dates from 1 to 12 there is no error.How can i make enddt store the date in dd/MM/yyyy format.
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Aug 11, 2011
I have written XML file having a Date <Date>10/11/2011</Date> tag in it as above and trying to read it from VB.NET:
If TypeOf item Is DateTime Then
nextItem = DirectCast(item, DateTime).ToString("MMM-d-yyyy hh:mm:ss.fff", ci)
End If
How to get the date tag in XML in datetime format in the application? (As I am getting the date value as string in the application)
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