Serach functionality is not working on server side pagination. about ti-grid HOT 1 CLOSED

// this.columns is the variable that you have passed to the grid.
// Using: [columns]="columns"
        
        const filter = {};
        this.columns.forEach(v => {
            filter[v.field] = v.filterText ? v.filterText.trim() : null
        });
        

        // now for ordering:
        let asc = false;
        let sortBy = 'id';

        const sortColumn = this.columns.find(x => x.sort != null);
        if (sortColumn) {
            sortBy = sortColumn.field;
            asc = sortColumn.sort != 'desc'
        }

       // and finally something like this:

      // Since filter is an object and can be multiple, we pass as object in HTTP POST
       this.http.post<any>(`grid-endpoint?page=${page}&sortBy=${sortBy}&asc=${asc}`, filter).subscribe(response => {
            // ... something like this based on response
            this.rows = response;
            this.totalRows = response.total;
        });