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Angular 7 and material page event on paginator is only showing one new row when page index is changed

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0

I am using (page) event on <mat-paginator>:

<mat-paginator #paginator 
 [pageSizeOptions]="[5, 10, 25, 100, 1000]" 
 [pageSize]="pageSize" [showFirstLastButtons]="true"
 [length]="total" (page)="getData($event)" 
 *ngIf="total>0">
</mat-paginator>

To change the data displayed in a <mat-table>.

When a user change the page number of using arrows to back and forward, the (page) event is fired:

getData(e)

 //this.oldPageSize = e.pageSize
 //console.log(e.pageIndex+' '+e.pageSize )
 this.getKits('defined', e.pageIndex, e.pageSize);

getKits() will go to server and the following script will be executed:

$sql = 'SELECT (SELECT count(*) FROM kit) as total, kit_id as id, kit_name as name,
 type_of_kit as ktype, received_quantity as quantity, kit_status as kstatus, date_added as da
 FROM kit
 ORDER BY system_date DESC 
 LIMIT :p, :s
 ';

$exec = $conn->prepare($sql);
$exec->bindValue(':p', $page, PDO::PARAM_INT);
$exec->bindValue(':s', $size, PDO::PARAM_INT);
$exec->execute();
$res = $exec->fetchAll();

On component load, the pageIndex and pageSize are 0 and 5. And when the getData(e) is fired, they will be changed.

The problem is that, when the first initial data are loaded (5 rows), and when I go to next page of paginator, it will be getKits('defined', 1, 6) and only one new row is shown at the bottom, and one old row is removed from it.

What I need is to show the next 5 rows. Maybe next 10 rows. (Here the number is about the size selected).

mysql angular limit angular7 paginator

share|improve this question

asked Mar 7 at 9:20

alim1990alim1990

1,06811536

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Multiply the page index by the page size ?
  
  – trichetriche
  Mar 7 at 9:23
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  That's it. I wa trying some simple logic and math on it to figure it out. Thanks. @trichetriche
  
  – alim1990
  Mar 7 at 9:25
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Well no problem
  
  – trichetriche
  Mar 7 at 9:30
  

  
  
  
  

add a comment | 

0

I am using (page) event on <mat-paginator>:

<mat-paginator #paginator 
 [pageSizeOptions]="[5, 10, 25, 100, 1000]" 
 [pageSize]="pageSize" [showFirstLastButtons]="true"
 [length]="total" (page)="getData($event)" 
 *ngIf="total>0">
</mat-paginator>

To change the data displayed in a <mat-table>.

When a user change the page number of using arrows to back and forward, the (page) event is fired:

getData(e)

 //this.oldPageSize = e.pageSize
 //console.log(e.pageIndex+' '+e.pageSize )
 this.getKits('defined', e.pageIndex, e.pageSize);

getKits() will go to server and the following script will be executed:

$sql = 'SELECT (SELECT count(*) FROM kit) as total, kit_id as id, kit_name as name,
 type_of_kit as ktype, received_quantity as quantity, kit_status as kstatus, date_added as da
 FROM kit
 ORDER BY system_date DESC 
 LIMIT :p, :s
 ';

$exec = $conn->prepare($sql);
$exec->bindValue(':p', $page, PDO::PARAM_INT);
$exec->bindValue(':s', $size, PDO::PARAM_INT);
$exec->execute();
$res = $exec->fetchAll();

On component load, the pageIndex and pageSize are 0 and 5. And when the getData(e) is fired, they will be changed.

The problem is that, when the first initial data are loaded (5 rows), and when I go to next page of paginator, it will be getKits('defined', 1, 6) and only one new row is shown at the bottom, and one old row is removed from it.

What I need is to show the next 5 rows. Maybe next 10 rows. (Here the number is about the size selected).

mysql angular limit angular7 paginator

share|improve this question

asked Mar 7 at 9:20

alim1990alim1990

1,06811536

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Multiply the page index by the page size ?
  
  – trichetriche
  Mar 7 at 9:23
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  That's it. I wa trying some simple logic and math on it to figure it out. Thanks. @trichetriche
  
  – alim1990
  Mar 7 at 9:25
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Well no problem
  
  – trichetriche
  Mar 7 at 9:30
  

  
  
  
  

add a comment | 

I am using (page) event on <mat-paginator>:

<mat-paginator #paginator 
 [pageSizeOptions]="[5, 10, 25, 100, 1000]" 
 [pageSize]="pageSize" [showFirstLastButtons]="true"
 [length]="total" (page)="getData($event)" 
 *ngIf="total>0">
</mat-paginator>

To change the data displayed in a <mat-table>.

When a user change the page number of using arrows to back and forward, the (page) event is fired:

getData(e)

 //this.oldPageSize = e.pageSize
 //console.log(e.pageIndex+' '+e.pageSize )
 this.getKits('defined', e.pageIndex, e.pageSize);

getKits() will go to server and the following script will be executed:

$sql = 'SELECT (SELECT count(*) FROM kit) as total, kit_id as id, kit_name as name,
 type_of_kit as ktype, received_quantity as quantity, kit_status as kstatus, date_added as da
 FROM kit
 ORDER BY system_date DESC 
 LIMIT :p, :s
 ';

$exec = $conn->prepare($sql);
$exec->bindValue(':p', $page, PDO::PARAM_INT);
$exec->bindValue(':s', $size, PDO::PARAM_INT);
$exec->execute();
$res = $exec->fetchAll();

On component load, the pageIndex and pageSize are 0 and 5. And when the getData(e) is fired, they will be changed.

The problem is that, when the first initial data are loaded (5 rows), and when I go to next page of paginator, it will be getKits('defined', 1, 6) and only one new row is shown at the bottom, and one old row is removed from it.

What I need is to show the next 5 rows. Maybe next 10 rows. (Here the number is about the size selected).

mysql angular limit angular7 paginator

share|improve this question

asked Mar 7 at 9:20

alim1990alim1990

1,06811536

<mat-paginator #paginator 
 [pageSizeOptions]="[5, 10, 25, 100, 1000]" 
 [pageSize]="pageSize" [showFirstLastButtons]="true"
 [length]="total" (page)="getData($event)" 
 *ngIf="total>0">
</mat-paginator>

getData(e)

 //this.oldPageSize = e.pageSize
 //console.log(e.pageIndex+' '+e.pageSize )
 this.getKits('defined', e.pageIndex, e.pageSize);

$sql = 'SELECT (SELECT count(*) FROM kit) as total, kit_id as id, kit_name as name,
 type_of_kit as ktype, received_quantity as quantity, kit_status as kstatus, date_added as da
 FROM kit
 ORDER BY system_date DESC 
 LIMIT :p, :s
 ';

$exec = $conn->prepare($sql);
$exec->bindValue(':p', $page, PDO::PARAM_INT);
$exec->bindValue(':s', $size, PDO::PARAM_INT);
$exec->execute();
$res = $exec->fetchAll();

mysql angular limit angular7 paginator

mysql angular limit angular7 paginator

share|improve this question

asked Mar 7 at 9:20

alim1990alim1990

1,06811536

share|improve this question

asked Mar 7 at 9:20

alim1990alim1990

1,06811536

asked Mar 7 at 9:20

alim1990alim1990

1,06811536

asked Mar 7 at 9:20

alim1990alim1990

1,06811536