Asp net validating date and time aimee teegarden and zach gilford dating
How can I use the range validator to validate a valid date?If I enter 1 January 1000 as the min or max value I get an error saying value cannot be converted to type date, but if I use another format it picks up my entered text as invalid.I have three AJAX calendar controls (start date, end date and effective date) for in my project.Which selects date in the format dd/MM/yyyy hh:mm:ss tt.//First check that textboxes are not empty if($('input[id$=txt End Date]').val()=="") var end Date=new Date($('input[id$=txt End Date]').val()); var start Date=new Date($('input[id$=txt Start Date]').val()); var effct Date=new Date($('input[id$=txt Effective Date]').val()); if(end Date//First check that textboxes are not empty if(Element By Id("txt End Date").value=="") var end Date=new Date(Element By Id("txt End Date").value); var start Date=new Date(Element By Id("txt Start Date").value); var effct Date=new Date(Element By Id("txt Effective Date").value); if(end Date Using Java Script did not give any error.But converting the value to Date type gives strange result. Element By Id("txt Completion Date").value "10/12/2014 PM" ? Visible = True rtn = False End If End If End If Dim entered Date As Date Time If Not Date Time.
Validation now works perfectly for the dates displayed on the UI, but the string for the hidden date is still returned by the view in the "yyyy-MM-dd" format. Now here's my problem: On my PC I have the date in international format "yyyy-MM-dd". On the application we need the date to always be in a custom format "dd/MM/yyyy" however the validation is always done in the US format "MM/dd/yyyy" and I'm at a loss why this happens. I can get around the validation for the birth Date and in Date by entering the dates in the US format in the text-boxes, however there is no such workaround for created Date which is always hidden and remains in the in the international format. NET validation controls perform validation automatically when the page is posted back to the server, after page initialization (that is, after view-state and postback data have been processed) and before your event-handling code is called.The controls might also perform validation in the browser if the browser supports client script.
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The international disparity in date formats isn't going away so we simply need to accomodate and not force users. None, out Result ) ) You can use a Custom Validator to check just about anything in text box, but it might be easier to use Compare Validator to check if the text can be converted to a date.