Question

在Angular 5中使用项目，并将firebase用于数据库目的。我被困于更新反应形式的编辑数据。其实数据是下面的数组形式是我的代码。当我按下更新按钮时，出现错误，无法将值属性设置为undefined。

获取数据以进行编辑

this.route.params.subscribe(
      (params: Params) => {
        this.id = params['id'];
        this.editMode = params['id'] != null;
        this.initForm();
      })



 id: string;
      editMode = false;
      initForm() {
        if (this.editMode) {
          let items: any = this.quotationservice.getQuotation(this.id)
            .then((res: any) => {
           Name:',res.itemCategoryRows.project_id.name)
              this.quotationForm.controls['client_id'].setValue(res.itemCategoryRows.client_id)
              this.quotationForm.controls['project_id'].setValue(res.itemCategoryRows.project_id)
              res.itemCategoryRows.itemCategoryRows.forEach(item => {
                console.log(item)
                let group = this._fb.group({
                  memberinfo: [item.memberinfo],
                  roleinfo: [item.roleinfo],
                  resourcedetail: [item.resourcedetail],
                  pcmonth: [item.pcmonth],
                  pcpermonth: [item.pcpermonth],
                  pctotal: [item.pctotal],
                  acmonth: [item.acmonth],
                  acpermonth: [item.acpermonth],
                  actotal: [item.actotal],
                });

                const control = <FormArray>this.quotationForm.controls['itemCategoryRows'];
                control.push(group);
              });

            });
        }
      }

更新功能（此处缺少itemCategoryRows数据）

this.items.doc(this.quotationForm.controls['prodid'].value).update({
      client_id: this.quotationForm.controls['client_id'].value,
      project_id: this.quotationForm.controls['project_id'].value,
    }).then(() => {
      console.log('Updated');
      this.redirect()
    })

在Angular 5中更新反应形式

0 个答案: