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Conditionnally show or hide a checkbox from a grid

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Hello,

I need to conditionnally hide a checkbox (of type FormCheckBoxControl) that is embedded in a Grid (of type FormGridControl). This might be obvious to you but all of that is in a Form.

The checkb will hide or show based on the value of another fields of the Grid of the associated record.

I am looking at something where for each row of the grid if the value of my field is X then the checkbox will be hidden.

This could be done as the grid gets populated or after the fact, by going thru it.

The Grid is populated from a Datasource that is a Table.

What are the methods that I could use to get to the even and set the visibility.

Thanks for the help,

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GirishS 27,827 Moderator on at

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Hi,

Check box control will be enabled or disabled only if the user selects some records in the grid.

Initially when you open the form, check box control will be shown, whenever the user selects any particular record, it will hide based on the X field value.

For the above to work you need to write the code on DataSource active or selectionChanged method of the form grid DataSource. Same code you need to write on the modified method of the X field.

Thanks,

Girish S.

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Martin Dráb 237,878 Most Valuable Professional on at

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Hiding the column would lead to weird UX - you would move to another record, the column would disappear and subsequent columns would shift, and the column would be added again (and columns shifted) when moving to yet another record. A better approach will be changing AllowEdit to false.

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Community member 17 on at

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Thanks for your comments.

To clarify, this is not the default checkbox that we are trying to hide / show but a custom one.

We are not trying to hide the column or the cell. But the Checkbox itself. So the columns are not shifted.

I assume that the allow edit to false will still show the chekcbox checked (event if it is not editable). What we are after if the show it unchecked of not visible at all.

Here is a copy of the form we have.

The value Etat can be OK or KO. The checkbox Forcé can be checked or not if etat is KO (base on what we have on the database).

However, if the Etat is OK, we want to hide the checkbox (or show it unchecked) despite what the database indicate for the value.

I hope that this will clarify my question.

Thanks again.

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Martin Dráb 237,878 Most Valuable Professional on at

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A checkbox is a type of the column.

Unchecked checkbox is the one that as its value set to No. Therefore if you want to show is unchecked, you want to set the value of the data source field to No, not to hide any control.

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Komi Siabi 13,107 Most Valuable Professional on at

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Salut,

The value Etat can be OK or KO. The checkbox Forcé can be checked or not if etat is KO (base on what we have on the database).

However, if the Etat is OK, we want to hide the checkbox (or show it unchecked) despite what the database indicate for the value.

With this requirement, Martin's advice is the best. You can make Forcé editable or not based based on the value of Etat.

You could have a method called updateDesign().

void updateDesign() { if(Etat.valueStr() == "OK") { Forcé.allowEdit(false) else if(Etat.valueStr() == "KO") { Forcé.allowEdit(false) } }

call this method the active method of the datasourse like this:

element.updateDesign()

You might as well want control the field Forcé when a user edits Etat to "OK" or "KO". Hence, on the modified method of the field Forcé on the form, call the updateDesign() method.

element.updateDesign()

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