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Format textbox for number with 2 decimals
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General information
Forum:
ASP.NET
Category:
Other
Environment versions
Environment:
VB 9.0
OS:
Windows Server 2012
Network:
Windows 2008 Server
Database:
MS SQL Server
Application:
Web
Miscellaneous
Thread ID:
01597155
Message ID:
01597394
Views:
21
>>>>What is a simple way to format an ASP.NET textbox for a number where user would enter the labor hours (e.g. 1.0, 2.25, 10.50 and so on).
>>>>When I add to the ASP.Textbox type="number" it would not allow a decimal.
>>>>What am I missing?
>>>>TIA
>>>>
>>>>UPDATE: Found this page with fairly simple javascript to allow only numbers with decimals.
>>>>
>>>>http://www.dotnetspark.com/kb/5510-accept-only-numeric-and-decimal-values-textbox.aspx
>>>
>>>Couple of thoughts:
>>>You could make this more generic by binding to all number types by using '$('input[type="number"]').----'
>>>You probably still need validation (user can, for example, paste in a value). Maybe a regex pattern:
<input type="number" step="0.01" pattern="^\d+(\.)\d{2}$" required/>
(That's limiting to 2 decimal places which may not be what you want)
>>
>>Viv, could you please clarify the syntax of "required" above? By itself, when I enter it in the input control (asp:textbox) it does not work. So I must be missing something. And it seems that without this "required" the pattern you specified does not work. That is, I copied the pattern exactly as in your example, but I can enter more than 2 decimals.
>>TIA.
>
>Hi,
>'Required' simply means that the input cannot be empty. But bear in mind validation won't kick in until you attempt to submit the form. So you still need the javascript function which you found to prevent the user *entering* an unacceptable numeric value but the pattern will catch cases where, for example, the numeric value was pasted in (thus bypassing key press events)

I get it. The way I tested was just entering a bunch of numbers. So I need to submit then. Thank you.
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