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Zip Code Lookup

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    #1

    Zip Code Lookup

    Hi, I'm new to this forum and using A5V8. Could someone tell me the code to have A5V8 look up the city and state and automatically fill in the fields when a 5 digit zip is typed into the zip code field. I have a seperate database for zip codes which has three fields ( zip code, city and state ). I accomplished this once before around 1998 with alpha4 which seemed easier.

    Thanks
    Tags: None
    #2
    Re: Zip Code Lookup

    Dennis,

    Code:
    dim zipcode as C = "49546"

? usps_citystate_from_zip(zipcode)
= city = "GRAND RAPIDS"
state = "MI"
    Mike W
    __________________________
    "I rebel in at least small things to express to the world that I have not completely surrendered"

    Comment

      #3
      Re: Zip Code Lookup

      Dennis,
      Sorry I didn't get see until now that this was your first post. Welcome to Alpha!

      The code I gave you I ran in the Interactive Window. Let us know if you need help with that and applying what I gave you. Since I just learned this today from MikeC, I'll share it with you.

      Code:
      dim zipcode as C = "49546"
dim vz as p

vz = usps_citystate_from_zip(zipcode)

? vz
= city = "GRAND RAPIDS"
state = "MI"

? vz.city
= "GRAND RAPIDS"

? vz.state
= "MI"
      Mike W
      __________________________
      "I rebel in at least small things to express to the world that I have not completely surrendered"

      Comment

        #4
        Re: Zip Code Lookup

        Dennis,

        If you have a table of zip codes, you can do your lookup in field rules with lookup and table. It can fill your city and state in just fine. I have been doing this for years. My zip table has extra fields I added because I need to track county taxes and some other stuff. It gets that done too.


        .
        Dave Mason
        [email protected]
        Skype is dave.mason46

        Comment

          #5
          Re: Zip Code Lookup

          Yes Please, Could you tell me where to put the code. I'm not doing any tax computation or any thing like that. I just rent out Ice Makers by the year and I want to track repairs on the machines for each customer. I have about 150 machines in three States so there are many zip codes, and It just makes data entry quicker to have alpha5 fill in the City and State.

          Comment

            #6
            Re: Zip Code Lookup

            In my application I have the table with the zipcodes added to database. Then I went to control panel and edit field rules of the table with the addresses or contacts in it. Scroll to the zip field, select tab for lookup. I chose table lookup, then told it where zipcode table was and link field of the field that has zipcodes in it. Then under source you would point to zip code city and fill city of your table. Same thing for state on next line. Your field names may be different.

            Comment

              #7
              Re: Zip Code Lookup

              Dave, thanks for that little tid bit of info. I have the zipcode dbf (from Alpha)
              and never thought of adding additional fields for other information. I redone the Contact Manger that come with Alpha5 and incorportated the zipcode dbf into it.

              thanks, a new project comming up.

              Jerry

              Comment

                #8
                Re: Zip Code Lookup

                Jerry,

                Glad it helped.

                I added a sales tax field(for states), county tax field and a max tax amount for those counties. I expect to add some city/municpalities tax fields later.

                Also, I make sure the user can add a zip code as they are adding morezip codes as we go. They are also changing the taxes every so often.

                .
                Dave Mason
                [email protected]
                Skype is dave.mason46

                Comment

                  #9
                  Re: Zip Code Lookup

                  Thanks to everyone,

                  If I get some time this weekend, I'll try a few of these methods and see which works best for my application.

                  Comment

                    #10
                    Re: Zip Code Lookup

                    Hello,
                    My Name Is Gandhi, I am new to this forum too.
                    Is it not possible to define the field rule in the main table to lookup the related table and define the fill in fields as it shows on the definition form. I am under the impression that you don't have to write a code for that. The limitation is that it only has the ability to display what you have in your related lookup database. If not in the list you can add as you go on.
                    Besides I have a silly question: Why do we need to have city and state in the main table? Why not have only zip code then create a set to report city and state when needed? The relationship between zip code and city, state will not change from the time we capture the data to the time we report unlike price of an object for example. Is that not true or is it important to have city and state in the main table.
                    thanks for reading

                    gandhi

                    version 11 3381 - 4096
                    mysql backend
                    http://www.alphawebprogramming.blogspot.com
                    [email protected]
                    Skype:[email protected]
                    1 914 924 5171

                    Comment

                      #11
                      Re: Zip Code Lookup

                      In normalization theory, as I understand it, you could do that. But where you have difficulty is that you can end up with a huge set. And it is recommended to keep sets as small and simple as possible. Like you have a set containing 4 tables, and each table has 3 lookups, if you see what I mean.

                      So you have to balance normalization with practicality.
                      Cole Custom Programming - Terrell, Texas
                      972 524 8714
                      [email protected]

                      ____________________
                      "A young man who is not liberal has no heart, but an old man who is not conservative has no mind." GB Shaw

                      Comment

                        #12
                        Re: Zip Code Lookup

                        Govindan,

                        Another problem that may occur.

                        The zip code 34434 = dunnellon, FL when pulled from a zip code database by the postal service. It is actually Citrus Springs, FL. If you pull it on the fly always, it could be wrong. Some user intervention needs to be there. Some zip codes also include 2 townships. that can be another problem.

                        I think the data for the city should be kept in a table. Yo may have a great idea there for the state though.

                        Using a set is not what i would want, but a lookup() function.

                        .
                        Dave Mason
                        [email protected]
                        Skype is dave.mason46

                        Comment

                          #13
                          Re: Zip Code Lookup

                          Hi everyone,
                          Thanks for the info.
                          Also I noticed during web development it is better to keep city and state information in the same table to display in the same grid.
                          Thanks again for clarifying.
                          thanks for reading

                          gandhi

                          version 11 3381 - 4096
                          mysql backend
                          http://www.alphawebprogramming.blogspot.com
                          [email protected]
                          Skype:[email protected]
                          1 914 924 5171

                          Comment

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