RangeFieldValidator in ASP.NET 1.1

[Hardy Wang]

Hi, I have a RangeFieldValidator in my Web Form to validate input of
monetary. I set current thread's culture to "FR-CA", and I tried following
ways

valCost.MaximumValue = (99999.99).ToString("N2");
I get run time error "The value '99 999,99' of the MaximumValue property of
'valCost' cannot be converted to type 'Currency'."

valCost.MaximumValue = (99999.99).ToString("C");
I get run time error "The value '99 999,99 $' of the MaximumValue property
of 'valCost' cannot be converted to type 'Currency'."

valCost.MaximumValue = "99999.99";
I get run time error "The value '99999.99' of the MaximumValue property of
'valCost' cannot be converted to type 'Currency'."

Since this is a web application which supports multiple languages at
run-time (users can select a language as they wish), how can I dynamically
set the max value to the validator to support all languages?

Thanks for any syggestion.

--
WWW: http://hardywang.1accesshost.com
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yours Hardy

[Steven Cheng[MSFT]]

Hi Hardy,

Thank you for posting.

As for the ASP.NET 1.x RangeValidator control's currency validating
problem, based on my research, here are some of my understanding and
suggestion:

The RangeValidator's Validation on String or Currency does support
different Culture(globalize) scenario. And actually, the code logic is:

1. The validator control will first retrieve the string value from the
validated target control and the Min , Max property, then convert them to
the certain DAta Type. If its currency value, it will convert it from
culture specific value into Culture Netural value.

2. After #1, then perform comparing on the converted value.

So as for the MaximumValue and MinimumValue, it does support localized
value. However, we can not add the currency sign (such as $, € ....) into
it. So we should use the "N" flag when formating the decimal value. Here is
the test page I used to dynamically set the RangValidator's range
properties according to the runtime thread culture:

========================
private void Page_Load(object sender, System.EventArgs e)
{
CultureInfo ci = new CultureInfo("de-DE");
Thread.CurrentThread.CurrentCulture = ci;

decimal dv1 = 222434.4343M;
decimal dv2 = 444434.4343M;

rv.MinimumValue = dv1.ToString("N2",
Thread.CurrentThread.CurrentCulture);
rv.MaximumValue = dv2.ToString("N2",
Thread.CurrentThread.CurrentCulture);
Response.Write(
string.Format("<br/>dv1: {0:N2}, dv2: {1:N2}", dv1, dv2)
);

}

===================================

Hope this helps.

Regards,

Steven Cheng
Microsoft Online Community Support
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