You're welcome, rhaazy! Glad to know your client is finally happy. I'd be interested to know if the Regex works in the scenario you outlined. Lemme know if you get a chance to try it out in your leisure time.
On Dec 30, 8:10 pm, rhaazy <[email protected]> wrote: > Cerebrus, sounds like you've been around the block once or twice ;-) > Of course my client insists that this be a single textbox for latitude > and one for longitude. > > Thanks for your work on that regex, I will play around with it and see > what I can use. > We managed to get this working to our clients expectations after a > little clarification on their part. > Apparently latitude and longitudes work as a percentage of 100, and > not like a clock like I had thought... > So there is no rounding to figure out, the only thing left for me to > do was add logic to automatically add the decimal point after two > numbers were typed for latitude and after three numbers were typed for > longitude (using JavaScript). The only thing left for me to do would > be to somehow mask the display to show the degree minute and second > symbols...but our client is used to not seeing this mask now so they > are happy with it as is. > > On Dec 18, 3:14 pm, Cerebrus <[email protected]> wrote: > > > > > That's a good suggestion and it occurred to me earlier. But I rejected > > it based on my experiences with obstinate clients (assuming that the > > project requirement would *insist* on a single textbox. Or maybe I'm > > getting too paranoid, eh, Rhaazy ? > > > On Dec 18, 3:37 am, starmister <[email protected]> wrote: > > > > Given the complexity of dealing with the conversions between degree/ > > > hour minutes seconds notation and decimal form, you may want to create > > > a custom control that is comprised of several text boxes and a drop > > > down or option control, in order to ensure valid entries. > > > > Do the internal conversion processing (instead of using split() > > > function) on a button click to 'submit' it or after your control loses > > > focus (user tabs out, clicks somewhere else): > > > > 1) set up three text boxes aligned in a row, for collecting numeric > > > values comprising one total entry. The first box would allow numbers > > > 0 to 180, the next two would hold values 0 to 59. In the first box, > > > use a simple RegEx allowing 1 to 3 digits and value range of 0 to 180. > > > For the second and third box, use a RegEx to check for two digits, > > > and values 0 to 59. After validation, or after tabbing out, you can > > > prepend a '0' zero to the entered value, if the value entered is less > > > than 10. (If you need decimal portion of second, you could add > > > another text box.) > > > > 2) to handle negatives, set up a drop down box or option control for > > > +/- or, if you want to see cardinality indicators, you'll need one for > > > N/S and one for E/W depending on whether collecting a longitude or > > > latitude entry. > > > > Hope this idea is helpful. > > > > On Dec 17, 3:19 pm, rhaazy <[email protected]> wrote: > > > > > I added a couple of regular expression validators to my asp fields but > > > > I am having difficulty coming up with a regular expression for this, > > > > anyone have any suggestions? > > > > My RegEx-Fu is very poor. > > > > > Any kind of latitude / longitude regular expression would be nice, > > > > preferably one that uses the signed and unsigned decimal as opposed to > > > > cardinal direction. > > > > I have googled this for a while but can't find any example to use as a > > > > good starting point. > > > > > (\d{1,3} \d{1,2}\.\d{1,2} [NSEW]) > > > > latitude or longitude coordinates in the form 46 37.73 N > > > > > but I would rather have this be something closer to: > > > > 46°37'73" (46 37.73 S would be better as -46°37'73") > > > > > Again, any feedback is appreciated. > > > > > On Dec 16, 3:05 pm, Sharp ArunKumar <[email protected]> wrote: > > > > > > Your validation easly made by various string functions,First you valid > > > > > the data then you can format the data as you like. > > > > > First input data Split into three value , Assume user give 45.0003 > > > > > in the LLtextBox > > > > > > Then you can split the value into two look the following C# code > > > > > > string[] s ; > > > > > s = LLtextBox.Text.Split('.'); > > > > > int Longitude= Convert.ToInt16(s[0]); //45 > > > > > int Latitude= Convert.ToInt16(s[1]); //0003 > > > > > //then again latitude value into two using substring functions > > > > > string v1= s[1].Substring(0, 2); //00 > > > > > string v2= s[1].Substring(2); //03 > > > > > if user give less then three digit value eg 87 > > > > > call above split function > > > > > now s[0] contain 87 > > > > > but s[1] contain Null value ,then you can assign default value > > > > > Then you can format the data using string functions like insertchar > > > > > ----------------------- > > > > > Arun Kumar > > > > > > On Dec 16, 9:36 pm, rhaazy <[email protected]> wrote: > > > > > > > Thanks for your reply. > > > > > > > The data entered will no larger than 7 numbers with 4 always to the > > > > > > right of the decimal. > > > > > > A valid Latitude value is -90 to 90 > > > > > > > A valid Longitude value is -180 to 180 > > > > > > > the minutes and seconds must be no larger than 59. > > > > > > > A few more examples > > > > > > > 45.0003 -> 45°0'3" > > > > > > -145.3453 -> -145°34'53" > > > > > > 123.7592" -> 124°16'32" - this example rounds to get rid of invalid > > > > > > minutes/seconds > > > > > > 87 -> 87°0'0" > > > > > > -23.59 -> 23°59'0" (this number will be saved to database as > > > > > > -23.5900 > > > > > > > Besides the validation I am trying to figure out how the text will > > > > > > get > > > > > > formated. > > > > > > My thoughts are that I would have to create some kind of "on leave" > > > > > > logic for the textbox. > > > > > > Is there a way to mask the input of the textbox in asp.net? > > > > > > > On Dec 16, 11:03 am, Cerebrus <[email protected]> wrote: > > > > > > > > You should be able to do it easily using RegexValidators or > > > > > > > CustomValidators. Or write your own textbox controls that > > > > > > > encapsulate > > > > > > > the behaviour required. > > > > > > > > If you need help with the Regex, please provide more > > > > > > > details/examples > > > > > > > on the type of data that is valid and invalid. > > > > > > > > On Dec 16, 8:23 pm, rhaazy <[email protected]> wrote: > > > > > > > > > Forgot to add that this is asp.net > > > > > > > > Data input will be like 123.4523 -> 123°45'23" > > > > > > > > > On Dec 16, 9:54 am, rhaazy <[email protected]> wrote: > > > > > > > > > > I have to add a couple of controls to my form for input of > > > > > > > > > geographical cooridinates(Degrees Minutes Seconds) > > > > > > > > > > I was wondering if anyone here has some useful suggestions > > > > > > > > > for input > > > > > > > > > controls or data validation. > > > > > > > > > > I've been searching the google for a while but can't find > > > > > > > > > anything > > > > > > > > > very useful. > > > > > > > > > > Thanks.- Hide quoted text - > > > > > > > > > - Show quoted text -- Hide quoted text - > > > > > > > > - Show quoted text -- Hide quoted text - > > > > > > > - Show quoted text -- Hide quoted text - > > > > > > - Show quoted text -- Hide quoted text - > > > > - Show quoted text -- Hide quoted text - > > > - Show quoted text -- Hide quoted text - > > - Show quoted text -
