I want to provide a textbox in my windows forms application (in vb.net) that will be masked in time format and validate for time in 12hr format. It should also auto complete i.e if user enters 6 and clicks tab then it should make the text to 6:00 am.
View 3 RepliesHow can I provide an error message if the user does not provide a value in my textbox. I found this example, but it doesn't work in my
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e_
As System.EventArgs) Handles Button1.Click
If TextBox1.Text = "" Then
[code]....
It says that Error Provider1 is not declared. How do I do this the right way?
This is in Visual Basic Express 2008
I'm trying to create a textbox that'll only accept a value in the 24 hour format (i.e. "18:00" or "1800"). I've been reading up on the FormatDateTime Function but I don't know whether thats appropiate...
Also, how do I set a textbox to be fixed with two decimal places? On VB6 I could do this in properties, but I can't find an option ni Visual Basic Express 2008.
I am stuck and need some help as I am trying to add values of 2 textboxes on my form which are in "HH:MM" format and display them in textbox3.
Textbox1.Text = 07:45
Textbox2.text = 07:30
Textbox3.text = val(textbox1.text) + val(textbox2.text)
The values in textbox3.text should be "15:15"
How do I format the textbox to display just time? For example, I type "1:00" but it returns "26/04/2009 1:00" following below the code i�m using to calculate the time differrence.[code]
View 15 RepliesI want to convert a military time was is in a textbox and convert it into a label with a standard 12hr time with a.m. and p.m.
Ex:
textbox -> label
0500 -> 5:00 am
HTML
Private Sub btnFormat_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnFormat.Click
lblStart.Text = Format(txtStart.Text), "hh:nn")
lblEnd.Text = Format(txtEnd.Text), "hh:nn")
End Sub
Everywhere I look they keep saying to use the format() function but maybe I am missing something.
I am trying to sum two values of textboxes which are already in time format
Text1.text = 07:00
Text2.text = 08:00
How to sum them and display in another textbox Total.text = 15:00
I have a textbox that will be used to type a specific time into. What i want to do is for the textbox to automatically have or produce a colon.
For example when typing in 1245 i want it to automatically appear as 12:45.
I have tried my hand at format() and .ToString but to no avail really.
i have several masked textbox connected to mysql database through a website i made, and what i'm trying to do is have these masked textbox automatically change the format what the user inputs to "hh:mm tt" so if the user inputs 6 or 600 or 6p it will automatically change it to the format to 6:00 PM.I know that i will have to use the Validated event and I've tried the Format(maskedtextbox1,"hh:mm tt") but can't seem to work. I would rather not use datetimepicker because i dont want the user have the option of using the dropdown.
View 3 RepliesI have been trying to check if a user has input a specific time format into a textbox.For example
1- User enters time in hhmm format
2- Checks the input
3- If wrong, MessageBox.Show("Need hh:mm time format")
I have only used IF statement with IsNumeric to check for number input but was unsuccessful with various attempts I can think of for checking a time format as I need Option Strict On and have the following error: Option Strict On disallows implicit conversions from 'String' to 'Date'.Is there a way to like check if the hh:mm has the ":" separator too?
In Visual studio 2005 using VB, I've just started using a masked textbox to input time in the 24hr format.In the Input dialog box , I've set the mask to : Time(European/Military) and checked the : Use validating Type box.[code]Problem: The user can enter numbers which do not match the time format.Example:25:75 or 23:66 , etcI would just like to restrict user input to the numbers required for the 24hr format only.Also, if anyone can provide me with a link to some working examples of masked textboxes.
View 6 RepliesWhen retrieving rows from an SQL Server table I use the following code select mydate, Customer, Details from sales where mydatetime >= '" & format (somedate, "MMM d, yyyy h:mm:ss tt") & "'"This works fine unless the clients computers windows Region setting is 'English (New Zealand)'The default time format in windows Region and Language for New Zealand is [code]On computers with this region setting I get an SQL Error 'Conversion failed when converting date and/or time from character string'..If I manually select the other option for AM symbol, PM symbol in Region and Language i.e AM PM the all works fine again..What format string can I use so that above code always works, even if the Region time format is a.m. / p.m.
View 1 Repliesformat Gridview's unbound column in 12hr format? i tried the following code, it didnt work.
[Code]...
There is a varchar column in the database table in this format of military time 1230 or 1750 or 1320 and that field get populated into a gridview in asp. I need to convert that string to standard time. I have tried the DateFormatString and nothing seems to work.
the asp is
<asp:BoundColumn DataField="ScanTime" SortExpression="ScanTime" ReadOnly="True"
HeaderText="Scan Time" DataFormatString="{0:hh}:{0:mm} {tt}">
<ItemStyle Width="80px"></ItemStyle>
</asp:BoundColumn>
that DateFormatString causes Input string was not in a correct format. error.
I have tried combinations of hh:mm and things like that but since its a varchar I think its failing
Is there a way of converting a unix time stamp to normal format time and date in .NET?
View 3 RepliesHow to get the current date and time in textbox in IST ( Indian Standard Time) in vb.net ?
View 1 Repliesi am trying to insert date in dd/mm/yy format in sql table from a textbox but everytime the default date 01/01/00 goes in table.
View 19 RepliesI am using these codes for displaying time in VB.NET it shows up in 24 hours format besides i need it in 12 hours format [code]
View 4 Replieshave a regular expression in .NET, which will allow only 24 hr time format in the textbox.
View 6 RepliesI created access database while runtime. Now I want to know how to set a time format in that created date/time field. I need to set as Short time for that field.
View 6 RepliesI have a literal on my webform. It displays date from a database as 3/26/2011 but I want it to display the date as 26-Mar-2011
How do I do this with VB.NET?
i want to format a datetime column like4-mar-10 9:15 pm
View 1 RepliesWhen I use a DateTimePicker my months come in Danish (my System is Dansih)
But I have one Customer there want the Months in english ?
in my application i am using access database which has many columns including column for time. but when the data is stored, it shows date along with the time. u can see the attached image
View 4 RepliesI am trying to export cells in a DGV that has time formatting. The data for the cells is stored in an Access database that also is set for date and time. My problem is when I export the DGV to excel, the date and time show up as pound symbols until i click on the cell, and it adds the current date with the time even though in the app I only put in the time. All I want is the time to show up in the Excel cells and not to have it show up as pound signs.
[Code]...
I have a listview that displays date and time from a range that is set from combo boxes: "Start Date" and "End Date".
Then I am printing a block that display Cycle time. This cycle time is coming from "Start Date" and "End Date". I want to change the format of the item displayed in list view after it is printed in the print block in the format as "mm-dd-yyyy".
dtpPurDate.CustomFormat = "dd-MM-yyyy"
dtpPurDate.Text = DT.Rows(i)("PurDate")
In Access, PurDate is 1/1/1900 but in date time picker it's shown as 01-01-2000. At this time, short date format of system regional setting is like
If it's d/M/yyyy, it's shown as 01-01-1900.
How should I set the date time picker whatever regional setting is?
Actually I want to use a DateTime column and only display the time in 12 hour format.[code]...
View 2 RepliesI'm trying to make a program that takes user input and sets it to a time value.[code]..
I'm getting an invalid cast error. Does anyone have any hints on how to format the user input as a time value?
I want to get two lists for system time formates and DateFormates
I am able to get current format
My.Computer.Info.InstalledUICulture.DateTimeFormat.ShortDatePattern
CType(My.Computer.Info.InstalledUICulture.DateTimeFormat.FirstDayOfWeek, System.DayOfWeek).ToString
but not found any way to get list of all formates used ..