How to make a DateTimePicker to display a particular year, month, date & time ?

VKSB 236

Hi All,

I want a DateTimePicker to display a particular year, month, date and time (eg: somebody's Birthday). Is it possible?

What I am trying is; using Textboxes for Year, Month, Date, Hour, Minute & Second to enter the "Birthday & time" and then on Clicking a Button, the DateTimePicker to display the "Birthday & Time" written in those Textboxes.

Could you please let me know how to do this?

Thanks

VKSB

Accepted answer

Jiachen Li-MSFT 31,801 Reputation points Microsoft Vendor

2024-03-04T02:57:04.27+00:00
Hi @VKSB ,

DateTimePicker.Value.Year is read only.

Try the following code to change the value of DateTimePicker.

DateTimePicker1.Value = New Date(CInt(TextBoxYear.Text), CInt(TextBoxMonth.Text), CInt(TextBoxDay.Text))

Best Regards.

Jiachen Li

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VKSB 236 Reputation points

2024-03-04T11:28:49.74+00:00

Hi Jiachen Li,

Wow ! It works. Thank you very much for the help.

Best wishes,

VKSB
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2 additional answers

Castorix31 85,546 Reputation points

2024-03-03T13:11:32.88+00:00

DateTimePicker.Value
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VKSB 236 Reputation points

2024-03-03T15:42:27.9133333+00:00

Hi Castorix31,

I tried DateTimePicker.Value before asking this question here... I couldn't get it work.

I tried, DateTimePicker.Value. Year = GivenYear ' TextBox.Text = GivenYear

And found it didn't work...

Can you please show me how to use it?
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Anonymous

2024-03-03T18:05:05.9733333+00:00

Hi

Yes, that wont work. The DateTimePicker.Value needs to be a correctly formatted Date, and not strings or numbers. The simple way is to collect the values as strings from the TextBoxes and change Integers and then convert to a Date. Here is some code to illustrate one approach. See the Function = it makes it a little easier to deal with multiple strings.

Option Strict On Option Explicit On Public Class Form1 Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load ' here are some strings - could just as ' easily be TextBox.Text strings Dim tb1 As String = "1992" ' year string Dim tb2 As String = "7" ' month string Dim tb3 As String = "23" ' day string ' create a Date value from the strings ' NOTE: chsnge the strings to numbers Dim dt As Date Dim y As Integer = GetInteger(tb1) Dim m As Integer = GetInteger(tb2) Dim d As Integer = GetInteger(tb3) If y * m * d < 1 Then ' something is Zero and so just abandon dt = Date.MaxValue Else 'Try To form a Date Try dt = New Date(y, m, d) Catch ex As Exception ' failed, something wrong with input dt = Date.MinValue End Try End If DateTimePicker1.Value = dt End Sub Function GetInteger(s As String) As Integer ' need Integers rather than Strings Dim v As Integer = 0 If Integer.TryParse(s, v) Then Return v Return 0 End Function End Class

Anonymous

2024-03-03T18:16:46.6233333+00:00

If you want to change only one or other of the fields, you could do something like this.

DateTimePicker1.Value = New Date(2014, DateTimePicker1.Value.Month, DateTimePicker1.Value.Day)

Anonymous

2024-03-03T18:23:24.8566667+00:00

DELETE
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How to make a DateTimePicker to display a particular year, month, date & time ?

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