Data Type Is A Nullable Date That Returns A String Value If Date Was Supplied?

Mar 11, 2010

I am currently working on a custom data type, and wanted to implement a = operator.

I data type is a nullable date that returns a string value if date was supplied.

I want to allow the variable to be set like this

Dim nd as New NullableDate nd = Today Does anyone know how this can be done, or can anyone point me in the right direction?

View 9 Replies


ADVERTISEMENT

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?

View 20 Replies

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) .

View 3 Replies

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.

View 10 Replies

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?

View 3 Replies

Date Format - It Gives Me Error As "Cast From String "28/01/2011" To Type 'Date' Is Not Valid"?

Nov 30, 2010

conversion of date

if i used -- Date.parse("28/01/2011")

it gives me error as "String was not recognized as a valid DateTime."

so then i modify above code as -- CDate("28/01/2011").it gives me error as "Cast from string "28/01/2011" to type 'Date' is not valid." I used convert.todatetime also date.parseexact but nothing is working..

View 1 Replies

Data Type Mismatch Between Vb Date Datatype And Ms Access Datetime Data Type?

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].....

View 2 Replies

Value Of Type 'System.Linq.IQueryable(Of Date?)' Cannot Be Converted To 'Date'

Dec 6, 2011

I'm trying to get datetime value but here is issue with nullable datetype.

Public Function GetDate(ByVal kodg As Integer) As DateTime
Dim g = From dt In db.xDates _
Join f In db.xGrafiks On dt.КодД Equals f.DateKod _

[Code]....

View 1 Replies

Read REG_BINARY Type As String Or Date?

Apr 30, 2011

I need to know how i can read REG_BINARY Type as string or date

View 2 Replies

Assign A Nullable Value To A Date Object?

Jan 26, 2011

I'm trying to assign a date object to nullable but my code error on CBDate1 = nullDate. The message indicates that I need to assign a value to a nullable. This is my first time using nullable[code\]...

View 9 Replies

Assign Nullable To A Date Object

Feb 10, 2011

I'm trying to assign a date object to nullable but my code error on CBDate1 = nullDate. The message indicates that I need to assign a value to a nullable. This is my first time using nullable.

[Code]....

View 9 Replies

Find The Closest Valid Date To One Given As An Invalid Date String?

Aug 18, 2010

So there's this accounting package at my client that spits out text-based reports with invalid dates, like February 31st or September 31st.The reports are formatted with spaces and mono-spaced fonts. The data that gets parsed out are fed into a more formal local SSRS report, and that's about all you need to know.

What I am interested in fixing is the situation where a date is invalid and can't be converted into a DateTime struct. The date format from the report is "MMM-dd-yy" (e.g. "Feb-30-10"). The date strings need to be fixed before being shown in the formal report. I've seen this done two ways in my time as a developer, and I want to come up with a cleverer way of doing it (if there isn't a built-in way I don't know about).The first bad method (I can't believe I'm even showing you!):

Dim month As Integer = <Parse out the month from the bad date string>
Dim day As Integer = <Parse out the day from the bad date string>
Dim year As Integer = <Parse out the year from the bad date string>
Dim validDate As DateTime

[code]....

View 1 Replies

Transform Date Represented As String To Date In Visual Basic?

Nov 20, 2009

I am using SSIS and I need to transform a date. How can I transform a date in String format (e.g. 14/09/1980) to the same but in date format in VB.NET?

I would like the datetime format to insert it into a SQL database.

View 1 Replies

Asp.net - Convert Date String DdMMyyhhmmss To Date Object?

May 24, 2012

I have a string that holds a value in the format of ddMMyyhhmmss.

Example 240512024707

I need to be able to convert this date to a real .NET Date object.

I am currently using CDate but it seems CDate does not recognize the format, is there any way of specifying the string format to CDate ???

row.Item("NoteDate") = CDate(n.noteText.Substring(0, 12).ToString).ToString("dd/MM/yyyy hh:mm:ss")

View 1 Replies

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.

View 8 Replies

Approach/data Type(s) For A Date And Two Times In .Net 4?

Aug 26, 2010

I've got a method which takes some parameters and generates some XML to be sent to an [archaic] web service.

[Code]...

View 1 Replies

Error Date / Time Data Type

Aug 25, 2011

I have a problem regarding to the date and time.im using combobox for the date and i make of variables..this is my code.[code]i dont know what is my error..but my syntax to insert data its correct..

View 3 Replies

Filter The Data In The Date Column To Show Only The Records That Don't Have A Date Entered Into The Field?

May 13, 2010

I have an access form that shows a data table. when the form is opened, I want to filter the data in the date column to show only the records that don't have a date entered into the field.

View 8 Replies

Any Way To Get Date To A Whole Number And Then Return It To A Date String?

Jul 2, 2012

Is there any way to get the date (from Today.Date/User input) to a whole number and then return it to a date string?Only way I have so far thought of is:[code]

View 11 Replies

Converting A Date-string Into A Date Object?

May 1, 2010

I'm using date in the format dd-mm-yyyy and I need to convert a string inthis format to a date type.My string is "18-01-2010" but when I do the conversion using dim TargetDate as date=CDate(TgDstr).where TgDstr is "18-01-2010", the resutant TargetDate, as note in the debugger window, is #1/18/2010# rather than #18/1/2010# which I expected.What change in code should I made to get the desired result?

(P.s. I've checked the current culture with the following line of code:

Dim str As String = CultureInfo.CurrentCulture.Name and get the result 'zh-HK'... and the date-time format I find in the control panel is also in dd-mm-yy format)

View 6 Replies

Column Named EndDt Having Date/Time Data Type?

Mar 17, 2010

I have a table named fec in which i hv column named EndDt having Date/Time Data type.Now i want to display those records in my report which have EndDt less than Date i pick from DateTimePicker and month is current month.Private Sub DtpDefault_ValueChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles DtpDefault.ValueChanged

[Code]...

View 5 Replies

Show Datatime Data Type In DataGrid But Date Or Time Only?

Feb 28, 2012

i'm doing attendance monitoring system. i cant find out how to show datetime in datagrid taht will shows date or time only.

View 10 Replies

Data Type Mismatch In Criteria Expression In Date Related Fields

Jun 8, 2012

I would need to update a record using inline SQL string, when I use the first SQL string I get the error "data type mismatch in criteria expresion" but when I remove the time fields and run the SQL string the code works

[Code]....

View 1 Replies

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. "

View 1 Replies

Storing Date And Time As Now() Returns 0-0-0-0 00:00:00

Aug 11, 2011

Im trying to write a current date and time stamp to mysql with the following code

[Code]...

View 5 Replies

C# - OLE Date (number) To Date (string)?

Feb 15, 2011

I am debugging an application that I ported from Windows, to *nix, a little while ago. The app stores dates as doubles (using the OLE Date format). I need to be able to inspect the dates - as human readable strings. I cant find an online conversion tool, so I decided to roll my own.

I was originally going to write an OpenOffice function, but I think it would be more straightforward to use one of the .Net languages, to write a small console app that accepts the double as a parameter and prints the date string to the console.

I am relatively new to .Net (though I have dabbled with both C# and VB.Net in the past). Can anyone help with my main() function? - snippets in either VB.Net or C# will be equally useful.

View 1 Replies

How To Combine A Date & A String Into A Date

Feb 11, 2011

I have a date, as a Date type and a time, as a String and I want to combine the two into a Date type. ie. #2/11/2011# & "13:55:27" = #2/11/2011 1:55:27 PM#. How can I do this?

View 2 Replies

DateTimePicker Control That Returns Current Date

Dec 28, 2008

I have a DateTimePicker control that returns the current date.My usage is like this: DateTimeInput.Value.ToString("MMMM dd, yyyy")Please note that I need to get the date in the specified format.I just don't know how to add 1~2 years to the date.I mean if user selected January 01, 2009, I want to get January 01, 2010.So how can I add just 1 year or 2 years to the year of returned value?

View 3 Replies

Select A Date For The Report All Returns Properly?

Jun 9, 2010

I am having a bit of an issue with a reporting tool I have in a program in VB.Net.when I select a date for the report all returns properly but when I want to print that report it returns all the information ecept does not carrie over the tempStr of totalcost, totalexpense and totalprofit onto the second page of the report....it only calculates the few entrys on the second page..

View 1 Replies

Using SQL String With Date Between To Retrieve Specific Data?

Dec 26, 2011

I do encounter interest problem when I am using VBNet2008 and SQL Server 2000. I am developing Window Application and one of the form I am using SQL String with Date between to retrieve specific data from SQL SERVER 2000 Table and it's not working and generated this error message:
Invalid column name strFromDate
Invalid column name strToDate

Here are the overall coding:
Dim sqlconn As SqlConnection
Dim sqlcmd As SqlCommand
Dim DA As SqlDataAdapter
Dim DR As SqlDataReader
[Code] .....

View 10 Replies







Copyrights 2005-15 www.BigResource.com, All rights reserved