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Not Getting data source from formrun.datasource()

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Posted on by Siddy Mujumdar

hello everyone,

I am not getting data source from below code that when I am passing record from args.

can anyone help me out with this that how can i get data source from form run;

args.record(whsWorkLineCyclecountLoc);

args.name("WHSWorkLineCycleCount");

formRun = classFactory.formRunClass(args);

whsWorkLineCyclecountfds = formRun.dataSource("WHSWorkLineCycleCount");

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Gunjan Bhattachayya 35,423 on at

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Hi Siddy,

Where are you passing the args from? You can pass the form control value into the args and retrieve the formRun.

Your code for obtaining the data source is correct.

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nmaenpaa 101,160 Moderator on at

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What are you trying to do here?

Are you trying to start a new form from x++ code? At least that's what the code looks like. But your code hasn't yet run the init method of the form, therefore the data source is not initialized.

Or, are you trying to get data source of a caller form? If yes, your code is not correct.

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Martin Dráb 237,801 Most Valuable Professional on at

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Also, you seem to believe that the record you pass in Args will be set to a data source. That's not the case. If there is a relation (or code in the form doing the same thing), the record will be used to filter the data source. Otherwise it won't have any effect at all.

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WillWU 22,361 on at

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Hi Siddy Mujumdar,

As Nikolaos said ,If you want to use the Args object to create a form, you have to run the init() method.

Args args = new Args(yourform); args.caller(yourform) args.record(yourdatasource); FormRun formRun = ClassFactory.formRunClass(args); formRun.init();

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Siddy Mujumdar 4 on at

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No, Nikolas i am not trying to create a new form i just want to get data source of a that table or caller form

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WillWU 22,361 on at

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Hi Siddy Mujumdar,

Could you please provide the complete code?

Even if you're not creating the form, it makes no sense if you didn't call the init() method.

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nmaenpaa 101,160 Moderator on at

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You can get the data source of the caller record by args.record().dataSource();

And you can access any controls, methods etc on the caller form via args.caller() which returns the FormRun of the caller form.

This is of course assuming that you have passed the caller form in the args. If you used a MenuItemButton and set data source to it, then the caller and the record have been passed automatically. If you created the args manually in the calling end, you have to pass these values to it.

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Siddy Mujumdar 4 on at

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I don't want to call form i just want create data source of WHSWorkLineCycleCount on button click

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nmaenpaa 101,160 Moderator on at

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Do you mean that you want to add a new data source to an existing form?

Or do you mean that you want to add a new record to existing data source on this form?

Could you please try to share your actual full business requirement in as clear terms and as much detail as possible? This will save your time and ours. Thanks!

And please share your full code as already requested.

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WillWU 22,361 on at

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Hi Siddy Mujumdar,

Please tell us clearly about your business requirements.

If you want to retrieve the table buffer, you can try:
WHSWorkLineCycleCount wHSWorkLineCycleCount; select firstOnly WHSWorkLineCycleCount; args.record(wHSWorkLineCycleCount);

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