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should every View have an id?


should every View have an id?

By : Jannat Nur
Date : November 20 2020, 03:01 PM
it helps some times This is really up to you because it doesn't necessarily have any particular effect on efficiency, depending how you automatically add the IDs. My approach is to only assign IDs as you need them. The reason for this is because you only need the ID to reference the view or component in its controller or if you are using RelativeLayout and placing your other views/components based on other components. Otherwise it's extraneous code that doesn't really get used.
code :


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(iphone) how to set view.center when detaching a view from scroll view and adding it to another view?

(iphone) how to set view.center when detaching a view from scroll view and adding it to another view?


By : Joni L
Date : March 29 2020, 07:55 AM
I wish this helpful for you You can use convertPoint:toView: method of UIView. It is used to convert a point from one view's coordinate system to another. See Converting Between View Coordinate Systems section of UIView class reference. There are more methods available.
-edit-
code :
CGPoint p;
p = CGPointMake(dragView.bounds.size.width * 0.5, dragView.bounds.size.height * 0.5);
Route to different View(use @Html.ActionLink and ng-view in View) in Asp.Net MVC with AngularJS, ng-view only work one t

Route to different View(use @Html.ActionLink and ng-view in View) in Asp.Net MVC with AngularJS, ng-view only work one t


By : apetranik
Date : March 29 2020, 07:55 AM
I have mixed Create view and index view codes in one view. So, How to retrieve data from a database by that view in asp.

I have mixed Create view and index view codes in one view. So, How to retrieve data from a database by that view in asp.


By : Alessandro Rubino
Date : March 29 2020, 07:55 AM
I hope this helps you . 1. add the Enumerable list of row to use it with foreach, in the model in the entity folder:
code :
public partial class UserProfile
    {
        public int UserId { get; set; }
        public string UserName { get; set; }
        public string PostContent { get; set; }
        public IEnumerable<workingOnAddPost.Entity.UserProfile> UserProfilesCollection { get; set; }
public class HomeController : Controller
{
    private AddingPostEntities db = new AddingPostEntities();

    [HttpGet]
    public ActionResult Index()
    {
        ViewBag.Message = "Modify this template to jump-start your ASP.NET MVC application.";

        //return View( db.UserProfiles.ToList());


        var model = new UserProfile() 
        {
            UserProfilesCollection = db.UserProfiles.ToList(), 
        };
        return View(model);
    }

    [HttpPost]
    public ActionResult Index(UserProfile userprofile)
    {
        if (ModelState.IsValid)
        {
            db.UserProfiles.Add(userprofile);
            db.SaveChanges();
            return RedirectToAction("Index");
        }

        return View(userprofile);
    }
       //
    // POST: /PostManager/Create
    public ActionResult About()
    {
        ViewBag.Message = "Your app description page.";

        return View();
    }

    public ActionResult Contact()
    {
        ViewBag.Message = "Your contact page.";

        return View();
    }

    // GET: /PostManager/Details/5

    public ActionResult Details(int id = 0)
    {
        UserProfile userprofile = db.UserProfiles.Find(id);
        if (userprofile == null)
        {
            return HttpNotFound();
        }
        return View(userprofile);
    }


    //
    // GET: /PostManager/Edit/5

    public ActionResult Edit(int id = 0)
    {
        UserProfile userprofile = db.UserProfiles.Find(id);
        if (userprofile == null)
        {
            return HttpNotFound();
        }
        return View(userprofile);
    }

    //
    // POST: /PostManager/Edit/5

    [HttpPost]
    public ActionResult Edit(UserProfile userprofile)
    {
        if (ModelState.IsValid)
        {
            db.Entry(userprofile).State = EntityState.Modified;
            db.SaveChanges();
            return RedirectToAction("Index");
        }
        return View(userprofile);
    }

    //
    // GET: /PostManager/Delete/5

    public ActionResult Delete(int id = 0)
    {
        UserProfile userprofile = db.UserProfiles.Find(id);
        if (userprofile == null)
        {
            return HttpNotFound();
        }
        return View(userprofile);
    }

    //
    // POST: /PostManager/Delete/5

    [HttpPost, ActionName("Delete")]
    public ActionResult DeleteConfirmed(int id)
    {
        UserProfile userprofile = db.UserProfiles.Find(id);
        db.UserProfiles.Remove(userprofile);
        db.SaveChanges();
        return RedirectToAction("Index");
    }

    protected override void Dispose(bool disposing)
    {
        db.Dispose();
        base.Dispose(disposing);
    }

}
        @using System.Linq;
    @model  workingOnAddPost.Entity.UserProfile
    @{

    };

    @*<p>*@

<script src="~/Scripts/jquery-2.1.1.min.js"></script>
<script src="~/Scripts/masonry.pkgd.min.js"></script>
<script src="~/Scripts/myScript.js"></script>

<link href="~/Content/Styles/font-awesome.css" rel="stylesheet" />
<link href="~/Content/Styles/main.css" rel="stylesheet" />
@*<div class="Button addcontent">
      <button type="button" >
          <em class="icon-plus"></em>
      </button>
</div>*@
    @section featured {
        <section class="featured">
            <div class="content-wrapper">
                <hgroup class="title">
                    <h1>@*ViewBag.Title.*@</h1>
                    <h2>@*ViewBag.Message*@</h2>
                </hgroup>
                <p>
                    To learn more about ASP.NET MVC visit
                    <a href="http://asp.net/mvc" title="ASP.NET MVC Website">http://asp.net/mvc</a>.
                    The page features <mark>videos, tutorials, and samples</mark> to help you get the most from ASP.NET MVC.
                    If you have any questions about ASP.NET MVC visit
                    <a href="http://forums.asp.net/1146.aspx/1?MVC" title="ASP.NET MVC Forum">our forums</a>.
                </p>
            </div>
        </section>
    }

    <div class="Button addcontent">
        <button type="button">
            <em class="icon-plus"></em>
        </button>
    </div>

        @using (Html.BeginForm())
            {
            @Html.ValidationSummary(true)


            <div class="modal-addcontent">
                <div class="modal">
                    <div class="standardForm">
                        <h1>
                            Add new content
                        </h1>
                        <ul>
                            <li>
                                <h3>
                                    <label>
                                        Id=
                                    </label>
                                </h3>
                                <div class="editor-field">
                                    @Html.EditorFor(model => model.UserId)
                                    @Html.ValidationMessageFor(model => model.UserId)
                                </div>
                            </li>
                            <li>
                                <h3>
                                    <label>
                                        Name:
                                    </label>
                                </h3>
                                <div class="editor-field">
                                    @Html.EditorFor(model => model.UserName)
                                    @Html.ValidationMessageFor(model => model.UserName)
                                </div>
                            </li>
                            <li>
                                <h3>
                                    <label>
                                        Description
                                    </label>
                                </h3>

                                <div class="content">
                                    @Html.TextAreaFor(model => model.PostContent)
                                    @Html.ValidationMessageFor(model => model.PostContent)
                                </div>
                            </li>
                            <li>
                                <h3>
                                    <label>
                                        Image
                                    </label>
                                </h3>
                                <div>
                                    <input id="upload" type="file" />
                                </div>
                            </li>
                        </ul>
                        <div class="formFooter">
                            <div class="FooterButtons">
                                <button class="Button btn close-modalpopup" type="button">
                                    <span class="buttonText">
                                        Cancel
                                    </span>
                                </button>
                                <p>
                                    <button class="Button primary btn" type="submit" value="Create">
                                        <span class="buttonText">
                                            Create
                                        </span>
                                    </button>

                                </p>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
            }
<h3>We suggest the following:</h3>
<ol class="round">
    <li class="one">
        <h5>Getting Started</h5>
        ASP.NET MVC gives you a powerful, patterns-based way to build dynamic websites that
        enables a clean separation of concerns and that gives you full control over markup
        for enjoyable, agile development. ASP.NET MVC includes many features that enable
        fast, TDD-friendly development for creating sophisticated applications that use
        the latest web standards.
        <a href="http://go.microsoft.com/fwlink/?LinkId=245151">Learn more…</a>
    </li>

    <li class="two">
        <h5>Add NuGet packages and jump-start your coding</h5>
        NuGet makes it easy to install and update free libraries and tools.
        <a href="http://go.microsoft.com/fwlink/?LinkId=245153">Learn more…</a>
    </li>

    <li class="three">
        <h5>Find Web Hosting</h5>
        You can easily find a web hosting company that offers the right mix of features
        and price for your applications.
        <a href="http://go.microsoft.com/fwlink/?LinkId=245157">Learn more…</a>
    </li>
</ol>
@*<table>*@
@foreach (var item in Model.UserProfilesCollection)
{

    <div id="main">
        <div id="main-inner">
            <div id="container" class="js-masonry" data-masonry-options='{ "columnWidth": ".grid-sizer", "itemSelector": ".item"}'>
                <div class="grid-sizer">
                <div class="item open-modal">
                    <p>
                        @Html.DisplayTextFor(Modelitem => item.PostContent)
                    </p>
                    </div>
                </div>
            </div>
        </div>
    </div>
}
        @* </table>*@
Recycler and CardView : invoke virtual method 'void android.view.View.unFocus(android.view.View)' on a null object refer

Recycler and CardView : invoke virtual method 'void android.view.View.unFocus(android.view.View)' on a null object refer


By : Parley
Date : March 29 2020, 07:55 AM
may help you . I have a cardView adapter which allows me to display data from my database. I have just implemented a swipe to delete but sometimes I have this error: , Remove these lines of code from your onSwiped() method
code :
mRecyclerView.removeViewAt(viewHolder.getAdapterPosition());
mAdapter.notifyItemRemoved(viewHolder.getLayoutPosition());
mAdapter.notifyItemRangeChanged(viewHolder.getAdapterPosition(), mDataset.size());
mAdapter.notifyDataSetChanged();
how to switch from collection view(grid view) to table view(list view) using a button?

how to switch from collection view(grid view) to table view(list view) using a button?


By : Behrooz Daneshian
Date : March 29 2020, 07:55 AM
this will help In this already I had implemented the collection view needs to invalidate the layout and need to implement the table view(list view) when i select a button the image is as shown below , try this
code :
  import UIKit

  class ViewController: UIViewController,UITableViewDelegate,UITableViewDataSource ,UICollectionViewDelegate,UICollectionViewDataSource{





@IBOutlet weak var tableView: UITableView!


@IBOutlet weak var collectionView: UICollectionView!





override func viewDidLoad() {
    super.viewDidLoad()

    tableView.alpha = 0
    collectionView.alpha = 1


       }


@IBAction func Button1(_ sender: Any) {


    tableView.alpha = 0
    collectionView.alpha = 1



}




@IBAction func Button2(_ sender: Any) {


    tableView.alpha = 1
    collectionView.alpha = 0



}




// Table View



func numberOfSections(in tableView: UITableView) -> Int {
    return 1

}


func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {


    return 4


}

func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {

    let cell = tableView.dequeueReusableCell(withIdentifier: "TableViewCell", for: indexPath) as! TableViewCell




    cell.lblName.text = "dd "
    cell.lblreview.text = " fff"


    return cell



}



//Collection View

func numberOfSections(in collectionView: UICollectionView) -> Int {
    return 1
}

func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
    return 5
}

func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
    let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "CollectionViewCell", for: indexPath) as! CollectionViewCell


    return cell
}
 https://i.stack.imgur.com/V07iM.png
 https://i.stack.imgur.com/0mi9h.png
 https://i.stack.imgur.com/tTLMl.png
 https://i.stack.imgur.com/j9Y9e.png
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