The error is occurring before the check for null on account_group_name;
this error is saying that sub_group_id is null i.e the code is trying to do
accountgroup[null].account_group_name.
Some values in the Object accountgroups are not formed as expected at the
time of being retrieved. If these unformed values are not a problem you can
use a catch on the object inside the *ngIf:
*ngIf="accountgroup.sub_group_id &&
accountgroup.sub_group_id.account_group_name === null ; else elseBlock"
On Thursday, February 15, 2018 at 6:18:16 AM UTC, Rakhee Menon wrote:
>
> Hi,
>
> I am displaying a list of accountgroup names..However I get this error..
> AccountGroupMasterListComponent.html:52 ERROR TypeError: Cannot read
> property 'account_group_name' of null
> at Object.eval [as updateDirectives]
> (AccountGroupMasterListComponent.html:57)
> at Object.debugUpdateDirectives [as updateDirectives]
> (core.es5.js:13067)
> at checkAndUpdateView (core.es5.js:12251)
> at callViewAction (core.es5.js:12599)
> at execEmbeddedViewsAction (core.es5.js:12557)
>
> Please check mycode.
>
> <tr *ngFor="let accountgroup of accountgroups ">
> <td>
> <!-- <a [routerLink]="['/accgrps',accgrp.id]"> -->
> <a [routerLink]="['/accgrps',accountgroup.id]">
> {{ accountgroup.account_group_name }}
> </a>
> </td>
> <td>{{ accountgroup.base_group }}</td>
> <td *ngIf="accountgroup.sub_group_id.account_group_name === null; else
> elseBlock">
> {{ null }}
> </td>
> <td><ng-template #elseBlock>
> {{ accountgroup.sub_group_id.account_group_name}}
> </ng-template>
> </td>
> </tr>
> please could anyone help me out..
> Thanks,
> Rakhee
>
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