Datetime Format Conversion Invalid String

May 9, 2012

I have asked this question before and used the soln but for some reason it just does not work this time around. Hopefully someone else can see the error/missing element. Iparse a date that is in string format and would like to convert it to a datetime format but cannot figure out how to do this. The date appears as such:

[Code]....

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Conversion Errors To A MYSQL Database - Converting A String To A Datetime Format

Jan 5, 2010

I'm having a problem converting a string to a datetime format. the string is depicting an hour, for example 08:00, but in the mysql database it stores that as 2008/00/00 00:00 any idea how to solve this?
[Code]

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DateTime Conversion From String?

Jun 18, 2012

I am getting this datetime format in an xml file:

2012-06-14T11:15:41.587-07:00
2012-06-14T10:49:32.397-07:00
2012-06-11T11:10:49.2-07:00

I believe I understand some of it, please correct me if I am wrong:

2012-06-14 = date

T = time identifier

10:49:32.397 = hour min second milliseconds

-07:00 = I have no idea

I need to convert this to something I can sort on for my datagrid view.

When I try something like this:

Console.WriteLine(String.Format("{0:d/M/yyyy HH:mm:ss}", "2012-06-14T10:49:32.397-07:00"))

I'm getting the original string back out with no conversion.

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DateTime To String Bad Conversion?

Nov 22, 2010

I'm pulling a saved DateTime using

Dim testDate As DateTime
testDate = rsQuery.Fields("ScenarioDate").Value

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VS 2010 : Conversion From String To Double Is Invalid?

Jul 25, 2011

I have written this code and tried running it but I am getting errors in the code segments below. The error says "conversion from string to double is invalid". whereas the calculation for 'y' is an addition so should not be giving the value it is giving at the moment. ICCPtotcircuitres is also returning 'nothing'.

Private Function iccptotcircuitres(ByVal x As String, ByVal y As String, ByVal z As String) As String
Dim Res As String
Res = x + y + z
iccptotcircuitres = Res

[code]....

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Get An Invalid Cast Exception - Conversion From String To Double Not Allowed?

Apr 27, 2010

I get an Invalid Cast Exception - Conversion from string to double not allowed. I don't know what to do.

Option
Strict
On[code]......

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Conversion Failed When Converting DateTime From Character String

Feb 11, 2011

I have two datetimepickers on my form to set a start date and end date for a SQL server database query. I am passing these dates with parameters to my query from the .Value of the datetimepickers. When I run the program, the code returns an error of "Conversion failed when converting datetime from character string" I am not converting anything in my code. It is my understanding that the StartDatePicker.Value is already a datetime and does not require conversion.

Here is some code:
'Define Wages_Query
Dim Wages_Query As String = _
"SELECT [Department], [Operation_NUM], sum(STWag) as [STwag], SUM(OTWag) as [OTWag]," & _
" SUM(Shift_Diff) as [Shift_Diff]," & _
" SUM(COALESCE(STWag,0) + COALESCE(OTWag,0) + COALESCE(Shift_Diff,0)) as [TotalWages]" & _
" FROM dbo.Financial" & _
[Code] .....

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Conversion Failed When Converting Datetime From String Or Out Of Range

May 29, 2012

Mostly got these errors : The conversion of a varchar data type to a datetime data type resulted in an out-of-range value. Conversion failed when converting date and/or time from character string.

[Code]...

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Conversion Failed When Converting From Datetime To Character String

Nov 30, 2010

I'm trying to insert data into a table in my database. I'm using MS Visual Studio 2005 with SQL Express/I get the error message: "Conversion failed when converting from datetime to character string". [code]

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IDE :: String To Datetime Conversion - Import A Text File

Jan 31, 2009

i have a little problem. i m trying to import a text file using vb2008 text file have following information288536

[Code]...

when i convert date and time string into datetime type using datetime.parse(string) it run ok but when it reach to 4th row it show error, i think because "date" string is not in proper format (dd/mm/yyyy HH:mm:ss)how to eliminate this problem

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VS 2008 : Conversion Failed When Converting Datetime From Character String?

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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.net - Convert String To Datetime Format

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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DateTime Format String Pattern

Jul 28, 2011

Could someone please guide me on the correct format string to display a time in the following format? [code] Is there one format string I can use to accomplish this?

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Format SQL Datetime Field As String

May 13, 2011

In my VB project I am returning an SQL datetime field to a date variable mdtCreated = CType(oReader("dtCreated"), Date) In an example it returns mdtCreated as #5/13/2011 2:59:43 PM# which is correct. Later on I want to show this as a string to dd/mm/yyyy format. I have tried mdtCreated.ToString("dd/mm/yyyy hh:mm:ss") But that returns "13/59/2011 02:59:43". I want it to return "13/05/2011 14:59:43" How can I achieve this?

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How To Convert String Into DateTime Format

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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How To Convert String To DateTime Format

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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Asp.net - Converting Date String To DateTime Format .net?

Dec 1, 2010

I have this example and it gives me exception "Conversion from string x to dateTime is invalid"

here is my method to validate Datetime. Example Date string : "27/03/1985"

Public Function validateDateColumn(ByRef FieldName As String) As Boolean

[Code]...

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Convert 01/31/2011 6:13 AM String To Datetime Format?

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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Convert A String With Unusual Date Format To Datetime?

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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Converting Date String Starts With Days To DateTime Format?

Dec 1, 2010

I Have this date "27/03/1985" and because it starts with days i can't convert it to datetime.

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DateTime Binary Coded Decimal Byte() Equivalent Of String Format?

Sep 30, 2010

I realize the code listed below, whose serial port using string formatting which I inherited is complicated. It formats a Date obtained from a DatePicker control into a "yyyy-MM-dd HH:mm:ss" string format to send to a hardware device to be stored via Serial Port retrieves the date from the device and displays to user What I'm trying to do is port the code for use in a Socket rather than Serial Port which wants a Byte Arrray of the same Date Time string variable. I can't figure out how to encode and convert to Bytes the string value used in the Serial Port version. The evolution of the process is listed from top to bottom.

[Code]...

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Error - Conversion From String "10:1:1" To Double Type Is Invalid

Oct 11, 2011

iam passing a textbox value(the value is 10:1:1) into a string and when iam running the application iam getting the following error "coversion from string "10:1:1" to double type is invalid". kindly find the code below and help me on the same: (also the textbox values should be greater than 0 always)

Dim strEncrypt As String = txtData.Text
If strEncrypt > 0 Then // I am getting the error here
txtEncryptedData.Text = Encrypt(strEncrypt)
Else

[code]....

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VS 2008 Date Format - Conversion From String To Type Not Valid

Sep 13, 2010

I want to to make date format dd/mm/yyyy with access 2003
Dim strdate As string="22/09/2010"
Dim dd1 As New Date
dd1= strdate

I get : Conversion from string "22/09/2010" to type 'Date' is not valid.

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Conversion From String "" To Type Double Is Invalid

Dec 4, 2011

The project is to use a transaction to update something. Since I run a dnd game I used it to update levels of a character. Selecting the character works perfectly fine. Validation of the level works fine. Actually trying to update it gives me the error "Error: conversion from string "" to type Double is invalid". This is getting frustrating because I cannot find the involved string nor do I have a double anywhere in the PROJECT let alone in the code.I have tried adding a global variable to the transaction form to set the level for update in the update statement, changing the level type and that's about all I could think of. I don't know where to begin looking for the error's source unfortunately. [code]

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Conversion Of A Text Data In String Or In A File Into A Simple Byte Array[ ] Format

Aug 27, 2009

I'm new to .net. I would like to know how to convert a text data in string or in a file into a simple byte array[ ] format.

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Card Game - "Invalid Cast Exception Was Unhandled" "Conversion From String "" To Type 'Double' Is Not Valid

Aug 12, 2010

I'm trying to make a card game where the user chooses either Clubs, Hearts, Spades, Diamonds or Joker and then the computer randomly chooses a card to counter and then depending on the formula of what beats what the scores are tallied.

Here is the:

Public Class Form1

Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

[CODE]...

Now I pick a card and the computer picks a card and it displays the winner but then immediately it sends me to the coding highlighting lblcomp.text += Val(0.5,1, or 4) saying "Invalid Cast Exception was Unhandled" "Conversion from string "" to type 'Double' is not valid.

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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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Cell Datagridview Blank - Error Appear "conversion ">=" DBNULL To String "" Invalid"?

Jan 13, 2010

the code bellow for preview/print .it ok but when i leave the first row ...don't care which cell is blank.The Error was appear"conversion "> =" DBNULL to string "" invalid"IF the cell at the first rows is not blank .i can print that data[code].....

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VS 2010 Datetime.tostring Invalid Cast Exception?

Nov 21, 2011

I'm just converting a date to a string but I'm getting this error. It's not listed as one of the normal exceptions to the datetime.tostring method. Googling around, it looks like it's an actual bug where it thinks StartDate is an int--but that's no help to me, as I just need to convert the date.

dim StartDate as nullable(of date)
dim Date1 as string
if not StartDate is nothing then
Date1 = StartDate.tostring("yyyy-mm-dd")
end if

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Invalid Conversion Error?

May 25, 2011

I recently upgraded a VB 6 project to .net. I'm having a problem with this block of code:

Dim CtrlName As System.Windows.Forms.MenuItem
For Each CtrlName In Form1.Controls
'Some code here

[code].....

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