(ngModelChange)="entry.collection_code($event)">
</div>
<div class="col-sm-1">
- <input class="form-control" type="number"
+ <input class="form-control" type="number" min="0" pattern="^[0-9]+$"
[ngModel]="entry.item_count()" name="item_count-{{idx}}"
(ngModelChange)="entry.item_count($event)">
</div>
import {Component, Input, ViewChild, TemplateRef, OnInit} from '@angular/core';
import {DialogComponent} from '@eg/share/dialog/dialog.component';
-import {NgForm} from '@angular/forms';
+import {NgForm, NG_VALIDATORS} from '@angular/forms';
import {IdlService, IdlObject} from '@eg/core/idl.service';
import {EventService} from '@eg/core/event.service';
import {OrgService} from '@eg/core/org.service';