Mat-select required,大家都在找解答。第1頁
Youaddedrequiredtotheselect'soption,nottheselect.Doitlike:<mat-form-field><mat-selectplaceholder=Favoritefood ...,Ifyouareusingreactiveforms,youcandynamicallyadd'required'validatortothetheformControl.this.form.controls[modelVersionCtrl] ...
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