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Guidance for new web app

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  • Guidance for new web app

    Hi all,
    We have a database that holds 500,000 records and we would like to be able to view it in several locations hence porting over to a web app.
    Before i start i have a couple of questions that i need some direction on.

    1. is it possible to use the search function prior to opening any sort of grid view, ideally a user would enter their search parameters and then the records would be displayed.

    2. 99% of the time a user will need to search for records that are blank (date field) i see no obvious answer for searching for blank records is this correct?

  • #2
    Re: Guidance for new web app

    1. is it possible to use the search function prior to opening any sort of grid view, ideally a user would enter their search parameters and then the records would be displayed.
    The standard Alpha grid searcher does not work in this way (from my knowledge)
    But I can think of a few easy workaround methods,
    a) Use a Dialog component to pass the values to the next page which is the filtered grid.
    b) Start the grid as a default of searching for records as .f. then allow the user to change this.

    2. 99% of the time a user will need to search for records that are blank (date field) i see no obvious answer for searching for blank records is this correct?
    Unsure that I understand this correct,
    But how about creating a calculated field that is isblank("DateField")
    Then these records will appear as if a highlighter had been passed over them.

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    • #3
      Re: Guidance for new web app

      b) Start the grid as a default of searching for records as .f. then allow the user to change this.
      Not sure what you mean by this Colin could you expand please.

      As for the blank date search i have realised i can set the search to query by form and use "is blank" to find those empty records.
      Last edited by Kzin; 04-15-2009, 10:50 AM.

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      • #4
        Re: Guidance for new web app

        On the first one, yes you can open the Grid with only the Search area showing, and only show the data IF a search has been made. In the Search Properties, check the box for Hide Grid when no search active.
        Steve Wood
        Join the ALPHA DEVELOPERS NETWORK
        There is no Cloud. It's just someone else's computer.
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        • #5
          Re: Guidance for new web app

          Dale - can you detail how you search for blank dates using query by form, I can't figure it out.
          Steve Wood
          Join the ALPHA DEVELOPERS NETWORK
          There is no Cloud. It's just someone else's computer.
          Web - Mobile - Hosting - Products - Frameworks - Developer Resources
          AlphaToGo | IADN (100% Alpha Anywhere Websites)

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          • #6
            Re: Guidance for new web app

            Please note now the fireld rules are set up here,
            Also by [Tagging] records in this manner you can expect to have quicker search and sort times, on large tables.

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            • #7
              Re: Guidance for new web app

              can you detail how you search for blank dates using query by form, I can't figure it out.
              Hi Steve,
              In the search properties there is a check box for allow "query by form" syntax, i have this checked, when doing my search it allows me to input is blank in the date field and brings up all records without a date in the field.
              Whether it makes a difference or not, i have the date field set as a textbox, it also works well with the other syntaxes mentioned in the help file.
              Last edited by Kzin; 04-17-2009, 04:12 AM.

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