The method described in the article you mention does work for me (In fact, I just did this yesterday with no issues).
Make sure that you've first configured the column layout and selected the "save for all users" and that you're selecting the correct row from the SysProfileData table (the one with no user in the "Contact" column.
If it's not working for you, it's likely one of the two issues listed above.
I need to place a checkbox in the center of a grid cell. I have tried with a text label and I could justified it by adding the following code to the diff property of the attribute:
"styles": {
"labelStyle": {
"textAlign": "center"
}
}
The label finally looked like this:
However, I did not find a way to center a checkbox field into the grid:
I hope you can offer me a solution. Thank you in advance!