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I am trying to populate my Form dynamically using API values. For displaying values I am getting correct data in right rows but when I click on edit I get an extra row and I observed that in place of 4 formcontrol names I have 5 control names and when i click on submit i get a json array with ist object as null

Can you please help me in getting this error correct

here is snapshot of console log and edit data screen Edit data and console log

import { Component } from '@angular/core';
import { IonicPage, NavController, NavParams } from 'ionic-angular';
import { NgxSmartModalService } from 'ngx-smart-modal';
import { ServicesProvider } from '../../providers/services/services';
import { FormBuilder, FormGroup, FormArray } from '@angular/forms';

@IonicPage({
  segment: 'schedule/people/:id'
})

@Component({
  selector: 'page-people-information',
  templateUrl: 'people-information.html',
})
export class PeopleInformationPage {
  eventId: any;
  peoples;
  orderForm: FormGroup;
  employees;
  pesonData;
  items
  globalIndex;
  edit:boolean=false;
  addData;
  constructor(
    public navCtrl: NavController,
    public navParams: NavParams,
    public services: ServicesProvider,
    private ngxSmartModalService: NgxSmartModalService,
    private formBuilder: FormBuilder
  ) {
    this.eventId = this.navParams.get('id');
   
  }

  createItem(index,data): FormGroup {
    let disData,br,ms,tt,ad,dr
    console.log(index);
    if(index==null){
      console.log('do nothing');
    }
    else{
      disData=(data[index]['distPerAph']);
      br=(data[index]['backRoomInd']);
      ms=(data[index]['meetSite']);
      tt=(data[index]['teamtype']);
      ad=(data[index]['adder']);
      dr=(data[index]['driver']);
    }
      
    return this.formBuilder.group({
      distPerAph: disData,
      backRoomInd: br,
      meetSite:ms,
      teamtype:tt,
      adder: ad,
      driver:dr
    });
  }
  addRow(value) {
    console.log(value);
    
}
  ionViewDidLoad() {
    this.services.getScheduledPeople("24048833").subscribe(res=>{
      console.log({res});
        this.peoples=res[0];
        this.pesonData=res[0];
      this.callmw()
      
        this.items = this.addData.get('items') as FormArray;
        console.log("people length",this.peoples.length);
        this.peoples.forEach((value,index)=>{
          console.log(value);
          
          this.globalIndex=index
          this.items.push(this.createItem(this.globalIndex,this.pesonData));
        })
      })
  }
callmw(){
  console.log("callw called");
  this.addData = this.formBuilder.group({
    items: this.formBuilder.array([ this.createItem(this.globalIndex,this.pesonData) ])
    
  });
}

  goToDetailsScreen() {
    this.navCtrl.setRoot('DistrictScheduleDetailsPage', {id: this.eventId});
    this.navCtrl.popToRoot();
  }

  goToAddPeopleScreen() {
    this.navCtrl.push('AddPeoplePage', {id: this.eventId});
  }

  goToAvailableAset() {
    this.navCtrl.push('AvailableAsetPage', {id: this.eventId});
  }
  goToEdit(){
    this.edit=true;

  }
  cancelEdit(){
    this.edit=false;
  }

  appPeopleModal(){
    this.ngxSmartModalService.getModal('assignModal').open();
  }
  
}
   <form [formGroup]="addData">
        {{addData.get('items')}}
            <div formArrayName="items"
             *ngFor="let people of addData.get('items').controls | slice:0:4; let i=index" class="green-wrap">

              <div  class="people-table" [formGroupName]="i">
                <div class="column-1">
                  <div class="blueBox">
                    <label>{{pesonData[i]?.employeeName}}</label>
                    <div *ngIf="people.adderCode=='SPSM'">Icon</div>
                  </div>
                </div>
                <div class="column-2">
                  <div class="blueBox">
                    {{pesonData[i]?.badgeId}}
                  </div>
                </div>
                <div class="column-2">
                  <div class="blueBox">
                    {{pesonData[i]?.perAph}}
                  </div>
                </div>
                <div class="column-2">
                  <div class="blueBox">
                    {{pesonData[i]?.ranking}}
                  </div>
                </div>
                <div class="column-2">
                  <div class="blueBox">
                    {{pesonData[i]?.rate}}
                  </div>
                </div>
                <div class="column-2">
                  <div class="blueBox">
                    {{pesonData[i]?.hoursToEvent}}
                  </div>
                </div>
                <div class="column-2">
                  <div class="blueBox">
                    <input type="number" min="1" name="people.distPerAph"
                    formControlName="distPerAph" [value]="33"    placeholder="{{pesonData[i]?.distPerAph||'null'}}">
                    <!-- {{people.distPerAph ||'Null'}} -->
                  </div>
                </div>
                <div class="column-2">
                  <div class="blueBox">
                    <!-- {{people.adder}} -->
                    <select formControlName="adder" >
                      <option [selected]="pesonData[i]?.adder" [value]="pesonData[i]?.adder" >1</option>
                      <option >2</option>
                      <option >3</option>

                    </select>
                  </div>
                </div>
                <div class="column-2">
                  <div class="blueBox">
                    <select name="" formControlName="teamtype"  name="people.teamtype">
                      <option >None</option>
                      <option >Company</option>
                      <option >Private</option>
                    </select>
                  </div>
                </div>
                <div class="column-2">
                  <div class="blueBox">
                    <!-- {{people.driver}} -->
                    <select formControlName="driver" name="people.driver" >
                      <option >True</option>
                      <option >False</option>
                      <option >Private</option>
                    </select>
                  </div>
                </div>
                <div class="column-2">
                  <div class="blueBox">
                    <!-- {{people.meetSite}} -->
                    <select formControlName="meetSite" name="people.meetSite">
                      <option >Store Parking</option>
                      <option >Store Parking 2</option>
                      <option >Store Parking 3</option>
                    </select>
                  </div>
                </div>
                <div class="column-2">
                  <div class="blueBox">
                    <!-- {{people.backRoomInd}} -->
                    <select formControlName="backRoomInd" name="people.backRoomInd">
                      <option >Yes</option>
                      <option >No</option>
                    </select>
                  </div>
                </div>
              </div>
              
            </div>
          </form>
        </div>

0

1 Answer 1

2

when your assigning form array at that time you were passing this.createItem(this.globalIndex,this.pesonData) which will add one form with null value

replace your callmw function with below.

callmw(){
  console.log("callw called");
  this.addData = this.formBuilder.group({
   items: this.formBuilder.array([])
 });
}
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1 Comment

Ohh great this actually worked,Saved a lot of time.Thanks

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