hello, i am new on appsheet.
I need help to hide the row number 4 that show “a”, “b” etc on appsheet ux ?
thank you
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Please take a look at the help article on slices and security filters which are main row level filtering mechanisms in AppSheet.
Please understand the main difference between the two row filtering mechanisms. The security filters prevent the records that are filtered out from reaching the users’ device ( laptop, mobile etc.) where the AppSheet app is..
The slices merely “hide” the filtered out records or columns from the app user’s data view , even though the filtered out records also reach the app users’ device.
Please take a look at the section " Security filters versus table slices" in the following help article for understanding the difference between the slices and security filters.
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thank you for coming here to help me 
, since i am newbie, may u help what expression should i write in slice table?
Your headings seem to be in the row 3 and row 1 and 2 are blank. As a good practice for creating tables for the AppSheet apps, I suggest you that please create the headings in the row 1 so that data starts from row 2 onwards.
Also not sure what are those letters a, b , c, d in the data row. In general, you may avoid having textual data in non textual columns such as numbers, dates etc.
Finally your slice or security filter expression could be something like [_ROWNUMBER]>2 if you move the headings to row 1 or [_ROWNUMBER]>4 if you continue to have the headings in row 3 ( not recommended) for your current setup.
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Many thanks,
it works now, how dumb i was, i kept writing [Nomor]>3, that’s why i kept getting an error,
i was mistaken “nomor” with “_rownumber”.
the spreadsheet is someone’s file, i just want to make an easier view plus input for her spreadsheet without changing her table on spreadsheet, that’s why the “a” , “b”, “c” still exist
I’m grateful, thank you sir
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