DB/Reporting :: VS Application / Access Db Date Conversion

Jun 2, 2008

I am an Australian user so use date format dd/mm/yyyy...my frmMain has a list box that retrieves a list of date values from the access db and displays them in the correct format (15/12/2000 - dd/mm/yyyy). When I update the DB using that same date the date format becomes reversed (ie interprets as 12/15/2000 - mm/dd/yyyy). [code] I believe the problem is something to do with the fact I am enclosing my date in my code with #'s and that somewhere between visual studio and access, the dates are getting flipped. [code]

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DB/Reporting :: Conversion Issue Access 2003 To 2007

Oct 26, 2009

I converted one of my databases from 2003 to 2007 and am getting the following error 13 type mismatch with 2007 (did not happen with 2003 version) with the following code:

Thanks for your help!


HTML Code:
Private Sub PageFooterSection_Print(Cancel As Integer, PrintCount As Integer)

Dim strMessage As String

Dim db As Database
Dim rs As Recordset

Set db = CurrentDb
[B]Set rs = db.OpenRecordset("TblFooter")[/B] ERROR HIGHLIGHTS THIS LINE

'--- Grab Recordset Values.
strMessage = rs!PageFooter



'--- Place text onto the form Labels.
test.Caption = strMessage



rs.Close
db.Close
Set rs = Nothing
Set db = Nothing

End Sub

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Date Conversion Error While Moving To 64 Bit Application Server

Aug 23, 2011

I have a Client/Server application. Both Client & Server use to be in 32-bit machines. Every thing was working fine.

When I moved the "Application Server" to a 64-bit machine, I am getting "Error converting varchar to datetime" in almost every screen that has a date picker in it.[code]...

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SQL Exception On Insert Of Dateandtimepicker.value.date 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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DB/Reporting :: Stand Alone Application Data Access?

Dec 22, 2008

I am new convert from VB6 and needs some help developing a stand alone application in VB 2008 that needs access to stored data values.All applications I have developed so far have been for computers that have either SQL Express or Access installed locally on the computer. This has made development really easy since I could use ADO to access and query the data.

The application I am now developing will be installed on a computer that does not have any of the MS office applications and I do not want to install SQL Express on the computer. But I still would like to use an 'ADO type' functionality to access, query and modify the data stored in the system.I started looking into using XML, but I was unable to find much information on querying and modifying individual elements.

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Ensure That Conversion Of A Date To A String And A String To A Date Will Give The Same Date Format?

Jan 16, 2012

how I can ensure that conversion of a date to a string and a string to a date will give me the same date format.

For example:

Code:
Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click
Dim d As Date = Date.Now

[code].....

I'm actually only interested in the date part as the label text shows so f is more than I want.But also, the day and month are reversed.

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DB/Reporting :: Search A Table, Confining To A Specific Date Range Based On A Date-time Column?

Jul 14, 2009

Would it be possible to search a table, confining to a specific date range based on a date-time column, and get a count of the 10 most used words in a particular var-char column excluding a list of words?All in SQL?Currently I am pulling out the records that match and sorting through the contents outside of SQL, I would think where I can do it directly on the server it would be more efficient.(SQL 2008)

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Microsoft Data Access Application Block Date Type Precision?

Jul 13, 2009

We are working on an ASP.Net/VB.Net application using Enterprise Library for our data access (DAAB).

We are trying to store DateTime values in an Oracle Date field. However, the precision is being lost. Currently only the year, month, and date are being stored. We need better precision than this.

Oracle Dates are supposed to "includes not just the month, day, and year, but also
the hour, minute, and second. "

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Comparing Date : Conversion From String "23/06/2011" To Type 'Date' Is Not Valid

Mar 25, 2011

when i am trying this Date.Compare(Format(DateTimePicker1.Value.Date, "dd/MM/yyyy"), Convert.ToDateTime(dr(1))) < 0 it gives an error message as "Conversion from string "23/06/2011" to type 'Date' is not valid."where dr(1) is database field in text format as 29/3/2011 (dd/mm/yyyy) .

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DB/Reporting :: Subtract A Date From A Date?

Feb 12, 2010

I'm using vb.net 2008 and sqlserver 2008 and I want subtract a date from a specified date. Example:

I want to subtract Commencedate from Today's Date but when I used datediff it gave me (argument "interval" is not a valid date).

When I used year(Commencedate)-year(now), it worked but the month did not get subtracted.

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Date Conversion From Sql

Mar 14, 2012

DateAdd(mm, - 7*3, getdate()) DateAdd(ss, - 1, getdate()) Need to convert to vb.net

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Int To Date Conversion

Jan 31, 2011

i want to convert numeric value into date format and vice versa.since i'm new in vb.net.will you plz help me to know about the process of convertion?

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DB/Reporting :: Data Conversion Error When Showing Dates In A DataGrid View

Dec 26, 2008

I am using Visual Basic 2008, and SQL Server 2005. I have a single-user client-server app (i know that sounds stupid, but its for future expandibility and also the fact that documentation was easier to find for SQL server than Access files).The app is basically a medicals records system.

In one of the tables, called 'visits', it stores the dates on which each patient visits the doctor, among other things like symptoms and diagnosis. Another table stores all the patient names and IDs along with other details, and a relation has been set up between the patient ID in the patients table and the visits table. So i dragged the visits table from within the patients table (to get only the visits for that particular patient), and dragged it onto the form to make a datagridview. However, the datagridview didn't seem to recognise MS SQL server's smalldatetime format, and tried representing it as a picture. When i changed the format of the column to text boxes, it gave me a type mismatch error (Inconvertible type mismatch between SourceColumn 'VisitDate' of DateTime and the DataColumn 'VisitDate' of Byte[].) That means, for some reason, it is trying to convert the smalldatetime data to byte before it shows it, which is leading to the error. How do i fix this?

Also, I remember seeing some option for using completely custom column types in the datagridview, but i cant seem to find it now. The options in 'Edit Columns' are very limited, but i would like to set it to a masked text box, or something with a fixed format. Can someone recommend a good column type for representing dates, and how to make the datagridview show that kinda column?

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Date After Clean Install Error "Conversion From String "13/8/2009" To Type Date Is Not Valid"

Aug 15, 2009

I did a clean install and tried to get the project running again. The code ... AlteredDate = SelectedDay & "/" & SelectedMonth & "/" & SelectedYear would always work defaulting to DD/MM/YYYY before the clean install. The program now runs an error "Conversion from string "13/8/2009" to type Date is not valid.. How do I change the default back to DD MM YYYY or format it to that?

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String To Date Conversion

Dec 3, 2008

I have a date that is in string format and I want to put it in a datetime field. I tried

[Code]...

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Conversion From String To Date In Label

Jun 28, 2011

i am trying to put my string that i receive in yyyy/mm/dd format in my label.i am how ever getting the following error..Conversion from string "20110627" to type 'Date' is not valid.[code]

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Conversion From String To Date Not Valid?

Aug 2, 2010

I have a string in the format of 20100730 which i need to convert to UK format of 30/07/2010.

When i try to set 20100730 as a date it says it is not valid. Is there another way i can do this?

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Convert Excel Date Conversion In SQL?

May 2, 2011

How to convert an excel serial date as 39051,4387847222 in a datetime as 30/11/06 10:31:51 2549

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Create Date Format Conversion?

Apr 25, 2012

In my windows application i am converting the system date format using ow.date.tostring("dd-MMM-yyyy")it is converting in some systems which have system date format mm/dd/yyyy otherwise i am getting errorso for this i am changing the date format in system regional settings in clients systems manuallyi want to convert date format without changing the date format means if the system date format what ever it may be the date format have to convert

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Date / Time Conversion String

Aug 30, 2011

i have a problem with my Date/Time. i user comboboxes for the date.when i save the data there's a mesage show like this: This is my code for the date:

[Code]...

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VS 2005 Conversion From String To Date?

Apr 8, 2011

I am encountering an error in the following statement:For i As Integer = 0 To dtAccess.Rows.Count - 1 If dtAccess.Rows(i).Item("YMD") = dateval then dtAccess is a datatable where the column YMD is of type string.dateval is a variable of type date. Now here is the anomaly. The first ten rows works fine during the loop execution. However when the 11th row is encounter I get the following error:"Conversion from type string to date is not valid." My question is that if it is not valid then why it worked for the first ten rows? My second question is what can I do to overcome the error?

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Date Conversion - Retrieve And Display Data

Jun 3, 2012

I am trying to retrieve and display data from MySQL database to vb.net console window using the following code
myconnection = New MySqlConnection("Server=localhost;username=root;password=;database=agro-system;")
myconnection.Open()
cmd1 = New MySqlCommand("select * from sales", myconnection)
myreader = cmd1.ExecuteReader()
While myreader.Read()
[Code] .....
But I get the following error:
Unable to convert MySQL date/time value to System.DateTime

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VS 2008 Conversion From String To 'date' Is Not Valid

Dec 10, 2009

i've done a search on this error n found no match so i decided to create a new thread.this part of the program is suppose to get the date interval of dd(due date) and dr(date return) n charge the members accordingly.the program opens normally but when i go thru the records i have in my database, conversion from string "" to 'date' is not valid pops up.[code]

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VS 2010 - String To Date Conversion In Structure

Dec 27, 2010

I am trying to convert text in a text box (txtEventDate.Text) to a date type in a structure: ThisEvent.EventDate (declared as date). The text in the textbox is of the form: 05/18/1927 (i.e. May 18th, 1927) and after looking long and hard thru the forums attempting several different things, like:

'ThisEvent.EventDate = CDate(Format("#" & txtEventDate.Text & "#", "mm/dd/yyyy"))
'ThisEvent.EventDate = Date.Parse(txtEventDate.Text & "12:01:00 AM")
'Date.TryParse(txtEventDate.Text, ThisEvent.EventDate)

The code is commented out because none of them convert the string to a date value (I know a date does not have a format and I have looked thru the MSDN). How can I stay logged and composing a thread past some arbitrary time limit that forces a re-login?

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Conversion Failed When Converting A Date/time From A String?

Aug 10, 2009

when running my program I get the following error:Conversion failed when converting date and/or time from character string. After playing a round with breakpoints I discovered the error to appear during:

sqlText = "INSERT INTO dbo.OrderDetails (OrderID, ProductID, Qty) VALUES ('" & _
orderID & "','" & prodID & "','" & prodqty & "')"
ExecuteSQL(sqlText)

[code].....

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Conversion Of Date Into Hour/minute/second Incredibly Slow

Apr 29, 2011

I need a date cyclically convert into its components (hour, minute, second). The following code does this quite well.

Dim time_hour As Integer
Dim time_minute As Integer
Dim time_second As Integer

[Code]....

However, I have found this a performance problem. I have examined the source code with a profiler, and the conversion of Now into its components seems to be incredibly slow. Is there a quick way to the current time to disassemble into its component parts?

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Date Conversion Error Message: Out Of Range Datetime Value

Mar 18, 2009

I'm having the following error message with a date value in production server. "The conversion of a char data type to a datetime data type resulted in an out-of-range datetime value" In the development server the problem never happened. Both production and development servers have the same OS (Windows Server 2003), updates and settings including the regional settings options. The regional options is set to Arabic (Saudi Arabia) and the date is customized to use (English) gorgerin calendar. The non-Unicode is set to Arabic (Saudi Arabia).

My solution contains an ASP.NET web application and a class library. In my class library project I'm trying to get a list of rows from the database (SQL 2005) and I'm using a date rang [Code] Is there a way that I can use to manipulate dates regardless of the regional options settings?

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How To Compare Date From Access Database With Date In Texbox

Mar 26, 2012

my sql statement is returning null when when I compare date from access database and date entered in textbox in vb. seems to me that the two dates are of different format so null is returned from the select statement but how do I go about this.[code]

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VS 2010 Matching Date In Access With Date.ToShortDateString?

Oct 23, 2011

I have the following SQL string

strSQLString = "SELECT MatchID FROM tblMatch WHERE MatchDate = " & aDate.ToShortDateString.ToString
which gives me the following string:"SELECT MatchID FROM tblMatch WHERE MatchDate = 10/23/2011"

In my DB I have the following record:

[Code]...

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Conversion - Convert A Unix Timestamp To A Human Readable Date

Feb 26, 2009

How can I convert a (unix) timestamp (which I get from a web service as integer) to a human readable date?

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