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Browse Create_Columns, How?!

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    Browse Create_Columns, How?!

    Has anybody ever used this embedded browse method?
    FormPointer.browse1.Create_Columns(C table_or_set,C columns[,P style]).
    I can only get it to create one new column, and it deletes all existing columns.
    I want to dynamically add columns to an embedded browse, as the user adds new field to the base table.

    confused
    ~jf

    #2
    RE: Browse Create_Columns, How?!

    John,

    According to the docs this method for the embedded browse control is used to initialize the browse object itself, so I'm not surprised you're unable to use it to modify an existing browse control. Unfortunately the docs don't give an example of how it might be used to create a new browse with multiple columns.

    I'm curious why you would want your use to be able to do this sort of thing. If you tell us what you have in mind maybe we can suggest another approach.

    --tom

    Comment


      #3
      RE: Browse Create_Columns, How?!

      This function is for internal Alpha Five use only and was not intended for use by application developers.

      Comment


        #4
        RE: Browse Create_Columns, How?!

        Thank you Tom

        Here is the scenario:
        ~ The user requires a new data field, the software supplies such a capability via dialog box and �.FIELD_ADD(�)�
        ~ The �Name� the user supplies is NOT the actual fieldname. The actual field name is computed and stored along with the user-supplied name. Thus minimizing restrictions on the �Name� the user desires (length, special, characters etc..)
        ~ The user�s field �Name� is displayed in GUI objects, not the actual field name that is computed. I�ve built record-list objects (via keylist_build() ) that provide this capability. But a Browse object would be superior to this method because a browse has many, many more features built-in (resize, rearrange, mark, delete etc..)
        ~ So if I can add a field to a table then I should be able to correspondingly add a field to an embedded Browse object. I think this should be a fundamental capability.
        ~ I could use the default browse in a form, yet I do not think I can rename the column-titles to the user-supplied �Name�.
        ~ Having written all this, maybe I�ve worked myself into a corner easing the restriction on the names of fields.

        Comment


          #5
          RE: Browse Create_Columns, How?!

          Just dawned on me to use either a copy or append operation to create a table/default-browse with the desired fields.

          Comment


            #6
            Solution

            1. Create a copy operation
            2. Compute the actual fields names, and a variable QtyFields (quantity of fields )
            3. run the Copy.field{number} variable in a loop, specify the computed field names; index up to QtyFields
            4.run the copy operation
            5. open the default browse for the new table, store its handle into a variable "bws"
            6. use bws.{computed field name}.object.column_title="DESIRED FIELD NAME" to change the names

            Comment


              #7
              RE: Solution

              Want to post a little example if it all works? :)

              bo

              Comment


                #8
                RE: Browse Create_Columns, How?!

                Ed:

                Like Jon I had experimented with this method and was disappointed, like John, to find that the method wasn't supported.

                Right now I can apply user-selected colors and column titles just fine with code, but get an "Error 1" when I try to build an entire browse via code.

                Would you happen to know if this method - or any new methods in the new browse object - will allow us to build browses "on the fly"?

                Finian
                Finian

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