CODEWITHSUNDEEP
c#asp.netvalidationrangevalidator
Jones James
Jones James

Reputation: 33

RangeValidator limiting that the ranges are 18 years after the date of birth

This question may be difficult to convey. The goal is to make sure that the date inputted into the textbox is at least 18 years from the date of birth.

I have a textbox:

<asp:TextBox ID="DateFrom" runat="server"/>

I have a rangevalidator: 

<asp:RangeValidator ID="RangeValidator1" runat="server" ControlToValidate="DateFrom"    ErrorMessage="Age has to be more than 18 years" Type="Date"></asp:RangeValidator>

and I have an entity object: 

rvtxtExecutiveDateTo.MinimumValue = (insiderObj.Insider.dateBirth ??     DateTime.MinValue).ToString("MM/dd/yyyy");

I have set the range validator in the code behind to: 

 RangeValidator1.MinimumValue = (insiderObj.Insider.dateBirth ??    DateTime.MinValue.AddYears(-18)).ToString("MM/dd/yyyy");

Upvotes: 0

Views: 1144

Answers (1)

Matt Johnson-Pint
Matt Johnson-Pint

Reputation: 241525

The problem would appear to be with placement of the AddYears method call.

You have:

(insiderObj.Insider.dateBirth ?? DateTime.MinValue.AddYears(-18))

You probably meant:

(insiderObj.Insider.dateBirth ?? DateTime.MinValue).AddYears(-18)

Of course, this assumes that dateBirth is a nullable value (DateTime?). Otherwise, there'd be no reason to have ?? DateTime.MinValue at all.

Also, you should not hardcode the MM/dd/yyyy format in the ToString call. Per the MSDN documentation:

Note

If you specify ValidationDataType.Date for the BaseCompareValidator.Type property without programmatically setting the culture for the application, you should use a culture-neutral format, such as YYYY/MM/DD, for the MaximumValue and MinimumValue properties. Otherwise, the date may not be interpreted correctly.

Either switch your format to "yyyy/MM/dd", or configure your application to be culture-aware and either pass CultureInfo.CurrentCulture or omit the parameter entirely.

Upvotes: 0

Related Questions