About RegularExpressionValidator control required expression..

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Hello All,

Please give me the Regular Expression for checking the date does not less than today's date for RegularExpressionValidator.

Please give me solution...

Posted 21-Dec-11 22:34pm

madhuri@mumbai

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K Herms · Answer 1 · 2011-12-21T23:14:00

Solution 1

You can better use a comparevalidator.

<asp:comparevalidator runat="server" id="cvDate" operator="GreaterThen" type="DateTime" ... />

In the onload you set the ValueToCompare property of the comparevalidator to today

cvDate.ValueToCompare = DateTime.Now;

Posted 21-Dec-11 23:14pm

K Herms

Updated 21-Dec-11 23:15pm

v2

OriginalGriff · Answer 2 · 2011-12-21T23:24:00

Solution 2

A regular expression validator cannot do that - it can only check text strings, not compare values such as dates. Regexes do not know what todays date is! And besides - is that todays date in Server time, Client time, or UTC?

As K Herms suggests, use a compare validator instead.

Posted 21-Dec-11 23:24pm

OriginalGriff

chetan virkar · Answer 3 · 2011-12-22T17:23:00

Solution 3

for that you used comapre validator and check with taht the given control value is greate than to tday date

<asp:CompareValidator Operator="GreaterThanEqual" Type="Date"
ControlToValidate="txbEndDate" ControlToCompare="txbStartDate"
ErrorMessage="error!" runat="server" />

Posted 22-Dec-11 17:23pm

chetan virkar