reactiveform-one.html

<form [formGroup]="inputForm">
    <div>
        <md-input-container>
            <input 
                mdInput 
                placeholder="UserId" 
                [formControlName]="USER_ID_CONTROL_KEYWORD">        
            <md-error>
                {{formErrors[USER_ID_CONTROL_KEYWORD]}}
            </md-error>
        </md-input-container>
    </div>
    <div>
        <md-input-container>
            <input 
                mdInput 
                placeholder="UserName" 
                [formControlName]="USER_NAME_CONTROL_KEYWORD">        
            <md-error>
                {{formErrors[USER_NAME_CONTROL_KEYWORD]}}
            </md-error>
        </md-input-container>
    </div>
    <div>
        <md-input-container>
            <input 
                mdInput 
                placeholder="Password" 
                type="password" 
                [formControlName]="PASSWORD_CONTROL_KEYWORD">        
            <md-error>
                {{formErrors[PASSWORD_CONTROL_KEYWORD]}}
            </md-error>
        </md-input-container>
    </div>
</form>