# Category: filter

## Angular Material Table: Search a value based on two database columns but single UI columns

I am trying to add a filter on my name column which consists of firstname + lastname keys. The filter

## Filter pipe doesnt return undefiend after change number value and return to begin value

At the begin filter pipe return to me undefiend (when it s empty), then i write some numbers and after

## How to filter by date in angular mat-table and datepicker as the filter input?

I am trying this example. Is there a better way? Text Source: New feed Source Url How to filter by