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Questions tagged [form-control]

Form control is the main component of Windows Forms UI framework. Forms represent application UI windows and dialogs. Use this tag only if you have specific problems in relation with Form control.

Form control (System.Windows.Forms.Form class) represents UI windows in Windows Forms GUI framework.

This tag is expected to be used together with .

371 questions
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Async validator and mat-autocomplete not working together

In the validate function I do a request to the api to check if the data validates and that works fine. But if the value is an object I just return null but that breaks the mat-autocomplete (the panel never closes). import { ChangeDetectionStrategy,…
Mackelito
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1 answer

Angular 2 Form Control Update

How do I apply [ngModel] to the FormControl. Lets say I have a form with some required fields, based on the changes in the selectbox I want to update the form Control?
Jay
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2 answers

An invalid form control with name=' is not focusable error when running my HTML and JavaScript code

My JSP takes the file and type of document from user and displays text fields according to the item selected from drop down list. i.e. if user selects passport it shows text field for passport to enter the passport number in it with some validation…
Shubham Kadam
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1 answer

Add forms dynamic with Angular 6 using FormGroup

I'm trying to make a dynamic form using FormGroup, FormArray etc with Angular 6.. I have a problem when I add a new form and when I enter a value in one input it is reflected in the other inputs of my form. you can see it here…
user1814879
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5 answers

How to make all input forms 100% width

I have tried different approaches to make all input forms the same width and let them all end at 100%, but it doesn't work with the constellation below. Does anybody have an idea how to implement the idea?
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sunwarri0r
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1 answer

Multi nested model driven form angular 2

I'm working with ionic 2 angular 2. I want to know that how to create a multi-nested formgroup in html template. For example: this is form group in .ts file HomeAddress: this.formBuilder.group({ Address: ['', Validators.required] …
Zeeshan Malik
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1 answer

How to Use Bootstrap with Drop Down?

The drop down form shows up on the page, but the categories are just awkwardly floating below it and clicking on the drop down form does nothing. If I take out the bootstrap form the drop down form then works perfectly, but it is an ugly default…
AnthonyGalli.com
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1 answer

Find cell form control element sits on top of in Excel

In VBA macro how do we find the range of the cell that a particular form control element sits on top of in Excel? I'm using an imperfect/inaccurate way to do so: Dim cBox As Shape Dim LRow As…
jerryh91
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1 answer

Angular - Formcontrolname and its validation from Table Grid

I am using angular 8 here I have a doubt written below My Json format is from the backend side rowData = [ { make: "Toyota", model: "Celica", price: 35000 }, { make: "Ford", model: "Mondeo", price: 32000 }, { make: "Porsche", model:…
Madhav
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My Reactive Form doesn't display nothing in html. My value show in console

I have the problem with my form. Firstly I create a simple form for create a product. This product are like…
Lonna
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How do I change the value of form controls without triggering any event?

I want to change the value that is assign to control of a form in c# (visual studio 2010), while the form is loaded. I want my form should display to the end user, but at the same time as I get the data from server, I want it to reflect the same…
Ruppal Vachaswa
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