How to Update Values Dynamically for particular row in Table based on selection of one column?












0















I am using angular formarray to to iterate through the data. Table has 4 columns I want when I select a drop down in 3rd column data respective to that should get populate in 4th column. This is achieved, but when I try to select another drop down in the second row the the data gets wiped out for the first row as well. I need the data to be updated for that specific row only.



Below it the formarray



<tbody formArrayName="idsDetails" *ngFor="let idsDetail of boothData.get('idsDetails')['controls']; let i = index;"
style="text-align:center">
<tr [formGroupName]="i">
<td width="25%" *ngIf="isPresent1"> <input formControlName="idsUnit" class="form-control" readonly></td>
<td width="25%" *ngIf="isPresent2"> <input formControlName="idsUnit" class="form-control" [(ngModel)]="idsUnitEntered"
readonly></td>
<td width="25%">
<ngx-select [items]="portNos" placeholder="Select Port No" formControlName="idsPortNo">
</ngx-select>
</td>
<td width="20%">
<ngx-select [items]="deviceList" placeholder="Select Equipment" formControlName="idsEquipment" (select)="onEquipmentSelect($event,i)">
</ngx-select>
</td>
<td width="20%">
<ngx-select [items]="equipmentData" placeholder="Select Equipment" formControlName="idsEquipmentNo">
</ngx-select>
</td>
</tr>
</tbody>


and below it function which generates data based on 3rd column selection.



 onEquipmentSelect(equipment,i){
if(equipment == 'Balance'){
this.boothData.value.idsDetails[i].idsEquipmentNo = this.balanceData;
this.equipmentData = this.boothData.value.idsDetails[i].idsEquipmentNo;
}else if(equipment == 'Barcode') {
this.boothData.value.idsDetails[i].idsEquipmentNo = this.barCodeDataList;
this.equipmentData = this.boothData.value.idsDetails[i].idsEquipmentNo;
}else{
this.equipmentData = this.noDevice;
}
}









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    0















    I am using angular formarray to to iterate through the data. Table has 4 columns I want when I select a drop down in 3rd column data respective to that should get populate in 4th column. This is achieved, but when I try to select another drop down in the second row the the data gets wiped out for the first row as well. I need the data to be updated for that specific row only.



    Below it the formarray



    <tbody formArrayName="idsDetails" *ngFor="let idsDetail of boothData.get('idsDetails')['controls']; let i = index;"
    style="text-align:center">
    <tr [formGroupName]="i">
    <td width="25%" *ngIf="isPresent1"> <input formControlName="idsUnit" class="form-control" readonly></td>
    <td width="25%" *ngIf="isPresent2"> <input formControlName="idsUnit" class="form-control" [(ngModel)]="idsUnitEntered"
    readonly></td>
    <td width="25%">
    <ngx-select [items]="portNos" placeholder="Select Port No" formControlName="idsPortNo">
    </ngx-select>
    </td>
    <td width="20%">
    <ngx-select [items]="deviceList" placeholder="Select Equipment" formControlName="idsEquipment" (select)="onEquipmentSelect($event,i)">
    </ngx-select>
    </td>
    <td width="20%">
    <ngx-select [items]="equipmentData" placeholder="Select Equipment" formControlName="idsEquipmentNo">
    </ngx-select>
    </td>
    </tr>
    </tbody>


    and below it function which generates data based on 3rd column selection.



     onEquipmentSelect(equipment,i){
    if(equipment == 'Balance'){
    this.boothData.value.idsDetails[i].idsEquipmentNo = this.balanceData;
    this.equipmentData = this.boothData.value.idsDetails[i].idsEquipmentNo;
    }else if(equipment == 'Barcode') {
    this.boothData.value.idsDetails[i].idsEquipmentNo = this.barCodeDataList;
    this.equipmentData = this.boothData.value.idsDetails[i].idsEquipmentNo;
    }else{
    this.equipmentData = this.noDevice;
    }
    }









    share|improve this question



























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      0








      I am using angular formarray to to iterate through the data. Table has 4 columns I want when I select a drop down in 3rd column data respective to that should get populate in 4th column. This is achieved, but when I try to select another drop down in the second row the the data gets wiped out for the first row as well. I need the data to be updated for that specific row only.



      Below it the formarray



      <tbody formArrayName="idsDetails" *ngFor="let idsDetail of boothData.get('idsDetails')['controls']; let i = index;"
      style="text-align:center">
      <tr [formGroupName]="i">
      <td width="25%" *ngIf="isPresent1"> <input formControlName="idsUnit" class="form-control" readonly></td>
      <td width="25%" *ngIf="isPresent2"> <input formControlName="idsUnit" class="form-control" [(ngModel)]="idsUnitEntered"
      readonly></td>
      <td width="25%">
      <ngx-select [items]="portNos" placeholder="Select Port No" formControlName="idsPortNo">
      </ngx-select>
      </td>
      <td width="20%">
      <ngx-select [items]="deviceList" placeholder="Select Equipment" formControlName="idsEquipment" (select)="onEquipmentSelect($event,i)">
      </ngx-select>
      </td>
      <td width="20%">
      <ngx-select [items]="equipmentData" placeholder="Select Equipment" formControlName="idsEquipmentNo">
      </ngx-select>
      </td>
      </tr>
      </tbody>


      and below it function which generates data based on 3rd column selection.



       onEquipmentSelect(equipment,i){
      if(equipment == 'Balance'){
      this.boothData.value.idsDetails[i].idsEquipmentNo = this.balanceData;
      this.equipmentData = this.boothData.value.idsDetails[i].idsEquipmentNo;
      }else if(equipment == 'Barcode') {
      this.boothData.value.idsDetails[i].idsEquipmentNo = this.barCodeDataList;
      this.equipmentData = this.boothData.value.idsDetails[i].idsEquipmentNo;
      }else{
      this.equipmentData = this.noDevice;
      }
      }









      share|improve this question
















      I am using angular formarray to to iterate through the data. Table has 4 columns I want when I select a drop down in 3rd column data respective to that should get populate in 4th column. This is achieved, but when I try to select another drop down in the second row the the data gets wiped out for the first row as well. I need the data to be updated for that specific row only.



      Below it the formarray



      <tbody formArrayName="idsDetails" *ngFor="let idsDetail of boothData.get('idsDetails')['controls']; let i = index;"
      style="text-align:center">
      <tr [formGroupName]="i">
      <td width="25%" *ngIf="isPresent1"> <input formControlName="idsUnit" class="form-control" readonly></td>
      <td width="25%" *ngIf="isPresent2"> <input formControlName="idsUnit" class="form-control" [(ngModel)]="idsUnitEntered"
      readonly></td>
      <td width="25%">
      <ngx-select [items]="portNos" placeholder="Select Port No" formControlName="idsPortNo">
      </ngx-select>
      </td>
      <td width="20%">
      <ngx-select [items]="deviceList" placeholder="Select Equipment" formControlName="idsEquipment" (select)="onEquipmentSelect($event,i)">
      </ngx-select>
      </td>
      <td width="20%">
      <ngx-select [items]="equipmentData" placeholder="Select Equipment" formControlName="idsEquipmentNo">
      </ngx-select>
      </td>
      </tr>
      </tbody>


      and below it function which generates data based on 3rd column selection.



       onEquipmentSelect(equipment,i){
      if(equipment == 'Balance'){
      this.boothData.value.idsDetails[i].idsEquipmentNo = this.balanceData;
      this.equipmentData = this.boothData.value.idsDetails[i].idsEquipmentNo;
      }else if(equipment == 'Barcode') {
      this.boothData.value.idsDetails[i].idsEquipmentNo = this.barCodeDataList;
      this.equipmentData = this.boothData.value.idsDetails[i].idsEquipmentNo;
      }else{
      this.equipmentData = this.noDevice;
      }
      }






      angular html-table angular-reactive-forms formarray






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      edited Jan 19 at 13:23









      Brian Tompsett - 汤莱恩

      4,2031338101




      4,2031338101










      asked Jan 19 at 6:35









      Jignesh MistryJignesh Mistry

      4201527




      4201527
























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