How to use Auxiliary methods in MVC3
This article mainly introduces how to use the auxiliary methods in MVC3, which has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let the editor take you to understand.
one,
@ Html.TextBox ("txt", "hello", new {style = "width:1000px;height:1000px;"})
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two,
Special properties (class:c# reserved keywords)
@ Html.TextBox ("txt", "hello", new {style = "width:1000px;height:1000px;", @ class= "aa"})
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three,
Attributes with concatenated characters (for example: data_result)
@ Html.TextArea ("text", "hello", new {data_result = "data"})
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Hello
four,
@ using (Html.BeginForm ()) {}
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= add input element
-@ Html.TextBox
@ Html.TextBox ("Title", string.Empty) / / single-line input
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-@ Html.TextArea
@ Html.TextArea ("Title", string.Empty) / / Multi-line input
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-@ Html.Label
Html.Label ("Title", "Please enter:")
Generate tags:
Please enter:
-@ Html.DropDownList
Controller code:
Public ActionResult Create2 () {/ / radio collection, value field, text field, selected value ViewBag.Genre = new SelectList (db.Genres, "GenreId", "Name", 1); return View ();}
View code:
@ Html.DropDownList ("Genre", string.Empty)
-@ Html.ListBox (multiple choices are available)
@ {List listbox = new List (); listbox.Add ("a"); listbox.Add ("b"); listbox.Add ("c");} @ Html.ListBox ("listitem", new SelectList (listbox, "a"))
Controller code:
/ / public ActionResult Create2 () {/ / Radio collection, value field, text field, selected value ViewBag.Genre = new SelectList (db.Genres, "GenreId", "Name", 1); / / multiple selection ViewBag.Genre2 = new MultiSelectList (db.Genres, "GenreId", "Name", new List () {"1", "2"}); return View ();}
View code:
@ Html.ListBox ("Genre") @ Html.ListBox ("Genre2")
-@ Html.ValidationMessage ()
Controller code:
Public ActionResult Create3 () {return View ();} [HttpPost] public ActionResult Create3 (string text) {if (string.IsNullOrEmpty (text)) {ModelState.AddModelError ("text", "error"); return View () } else {return RedirectToAction ("Index");}}
View code:
@ {ViewBag.Title = "Create3";} Create3@using (Html.BeginForm ()) {@ Html.TextBox ("text") @ Html.ValidationMessage ("text")}
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