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How to draw the USER name?

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    #1

    How to draw the USER name?

    I am designing a multi-user application.
    So I have a field 'created_by', and another for 'modified_by'.
    My problem is how to 'auto-draw' these USER's name ( or PC's name ) into these fields?

    Grateful if anyone can help. Thanks.
    Tags: None
    #2
    RE: How to draw the USER name?

    Please explain what you mean by draw.
    Aaron Brown
    Alpha Software Development Team

    Comment

      #3
      RE: How to draw the USER name?

      Hello Aaron,

      What I mean is: Can a value can be 'drawn'(taken) from the system? in the same manner as Date() will draw the system date into a Date_entered field.

      Thanks for the prompt response!

      Comment

        #4
        RE: How to draw the USER name?

        Chris,
        not sure if I have understood you correctly. Anyway whatI do is declare user & group variables usually on Autuexec script, then, on a forms OnActivate event I put the following code:-
        user = user_name()
        group = user_groups()
        I then place these variables on the form.
        Hope this helps

        David

        Comment

          #5
          RE: How to draw the USER name?

          Take a look at http://support.alphasoftware.com/xbasic_reference/Functions/API_GETUSERNAME().HTM

          Comment

            #6
            RE: How to draw the USER name?

            To get the current user name:

            DIM cUserName AS C
            cUserName = user_name()

            FYI, "draw" to a programmer means to physically draw something on the screen, such as a bitmap. What you are referring to is assignment. You are assigning a value to a variable.
            Aaron Brown
            Alpha Software Development Team

            Comment

              #7
              RE: How to draw the USER name?

              Thank you so much Edward.

              Looks like I will need to spend some time to work this out.
              Will let know the outcome.

              Chris
              Singapore

              Comment

                #8
                RE: How to draw the USER name?

                It's possible everyone's looking at this as something difficult, where it may be something simple:

                Assume you have a variable with the user name already in place called vCUserName, and a field in your table called Created_By

                All you need to do is set a field rule for Created_By, with this expression:

                if (isblank("Created_By"), var->vCUserName, Created_By)

                Hope this helps

                - Steve
                -Steve
                sigpic

                Comment

                  #9
                  RE: How to draw the USER name?

                  I agree with Steve, all you need is a couple of field rules to capture who created the record and who last modified it. We use this method all the time.

                  Tom

                  Comment

                    #10
                    RE: How to draw the USER name?

                    Thank you Steve. I think your suggestion ( 2nd step: using the field rules ) is very useful in this situation. However, I am interested to know how to ( do the 1st step ) have the variable with the user name already in place called vCUserName.

                    Chris

                    Comment

                      #11
                      RE: How to draw the USER name?

                      Chris

                      There are at least 2 ways, depending on what user name you want. If you are using the Alpha security options and want that user name, you would use

                      vCUserName = user_name()

                      If you want the user name form the Windows signon, use

                      vCUserName = api_getusername()

                      Now, where to put the code. If you want this to be available in field rules, open the table structure for the table where this will be used and go up to "table" on the menu and select "global calculated fields". In the name, place "vCUserName" or what ever name you want to use. In the expression, place "user_name()" or "api_getusername()" depending on what value you want. Save the change and now you can reference the variable in field rules.

                      You could also define the variable in an OnInit event for the first form that opens or an autoexec script. But, if you are going to use it in field rules, it is best to define it in the structure and it will always be available.

                      Jerry

                      Comment

                        #12
                        RE: How to draw the USER name?

                        Hello Jerry,

                        Thank you so much for your elaborate and clear explanation.
                        api_getusername() is the expression that I was looking for. And I plan to use the Windows signon user names.

                        For the Created_By field, I set the Field Rule; User Entered, Simple Default Expression, Default Value as: API_GETUSERNAME()

                        For the Modified_By field, I set the Field Rule; Calculated, Calculated Field Expression: API_GETUSERNAME()

                        Thanks to all of you who have responded to this thread.
                        You are wonderful people! I am so glad to join this A5 club.
                        Chris

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