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Function to validate time

Can i get a function to validate time eneterd in a text box
Jul 21 '07 #1
5 6069
hariharanmca
1,977 1GB
Can i get a function to validate time eneterd in a text box
Expand|Select|Wrap|Line Numbers
  1. Method:
  2. Format(TimeValue,<Time Format>)
  3.  
  4. Example :
  5. Format(txtTextBoxName.Text,"hh:mm:ss AM/PM")
this will help you
Jul 21 '07 #2
hariharanmca
1,977 1GB
Can i get a function to validate time eneterd in a text box
using text box for reciving Time from User is not good practice

Suggest you to use DTPicker.
Jul 21 '07 #3
Thnx
The format string string helped.
though i am not using DTPicker as it it is not user friendly
Jul 21 '07 #4
hariharanmca
1,977 1GB
Thnx
The format string string helped.
though i am not using DTPicker as it it is not user friendly
(I never thought) No Problem, Better validate tour text box.
Jul 21 '07 #5
Killer42
8,435 Expert 8TB
Can i get a function to validate time eneterd in a text box
Yes, the datetimepicker control has both good and bad points. It's not always appropriate.

One thing you might try, (not sure whether it's available in all versions) is the "Microsoft Masked Edit Control" (add in under Project | Components). This allows you much more control over the input than a standard textbox. Of course, you may still need to validate afterward, but at least you can enforce the general format of the input.

As for validating, perhaps the simplest way is to turn on error handling and try to convert the value to a time. For example (VB6)...

Expand|Select|Wrap|Line Numbers
  1. Dim T As Date
  2. Dim S As String
  3. ' Assuming your value is in S...
  4. On Error Resume Next
  5. T = TimeValue(s)
  6. If Err.Number Then
  7.   Err.Clear
  8.   ' Not a valid time.
  9. End If
  10. On Error GoTo 0
Jul 22 '07 #6

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