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Calculated field in label control type not saved

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    Calculated field in label control type not saved

    In grid detail view, i have a total field using label type, i do not want any one to touch it, only did calculation based on calculated expression on that property. It works fine, the only thing is the total will not be saved into database....

    I also tried text box, disabled it...but once it is disabled, it will not be saved into database.

    I will prefer to use label type but with saving data into database. Who can help me??? Thank you very much!!!

    #2
    Re: Calculated field in label control type not saved

    depending on how you are saving you will need to set your field as dirty.
    look for a property
    e.dirtyfields
    if you say how you are saving I can look for that property.

    follow up:
    there is a selection in properties for detail view that says update dirty fields only, change that to all fields. then it will update.
    Last edited by GGandhi; 01-12-2014, 07:20 AM. Reason: addedd follow up
    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


      #3
      Re: Calculated field in label control type not saved

      i changed to All Fields now. But it does not allow me to update, because of one field, it shows error message, record was no t updated because of a write conflict...
      Original value in field 77-777-777, current value stored in table 77777777. Actually that "-" dash is only for display format, is not really from database. And when i save it, i have already use strtran to get rid of "-". Could you help me with that? after that, then i can save and test your method.. Thank you very much!!

      Comment


        #4
        Re: Calculated field in label control type not saved

        Also, if i use All Fields, It will give another message, "cannot update identity column "LeaSettingsPK". I am thinking primary key is not update-able, how to handle this in "All Fields" check.

        Comment


          #5
          Re: Calculated field in label control type not saved

          ok I have to take a look at format situation and primary key
          normally you will not update primary key only other fields.
          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


            #6
            Re: Calculated field in label control type not saved

            I also tried with a clean basic simple grid, with one label field has some calculation based on other fields, and use "All fields", it is not updated database even though it shows correct data on interface, but not saved into database.

            Originally posted by GGandhi View Post
            depending on how you are saving you will need to set your field as dirty.
            look for a property
            e.dirtyfields
            if you say how you are saving I can look for that property.

            follow up:
            there is a selection in properties for detail view that says update dirty fields only, change that to all fields. then it will update.

            Comment


              #7
              Re: Calculated field in label control type not saved

              I have not further looked into this yet, but
              If you have regular text field with calculated expression and disable the field using 1=2 then nobody can mess with it but updatable.
              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


                #8
                Re: Calculated field in label control type not saved

                I just tried, using textbox field, with enable expression 1=2, it only does calculation on the interface, but the data won't be saved into database. Also, i will prefer to use label...because of the darker color of displaying value...

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