Discover mvc dropdownlist, include the articles, news, trends, analysis and practical advice about mvc dropdownlist on alibabacloud.com
. Net mvc ------ drop-down list DropDownList control ------ bind data, mvc drop-down list The drop-down list uses gender as an example. You can bind the file to it. It can be displayed, but values can be transferred in some places, and errors may occur in some places. If you have any great idea, please advise .... The error is as follows: The ViewData item with t
1, the Authority design scheme: http://jingyan.baidu.com/article/9f63fb91ae22bac8410f0e70.html2. How to use session:use session in controllernamespaceme. controllers{ Public classLogincontroller:controller {// //GET:/login/ PublicActionResult Index () {//Set Session This. httpcontext.session["User"] =123; returnView (); } }}3. How MVC uses templates: Right-add-view in/views/shared/, rename to "_xxlayout", tick "create as
The last time was to learn about MVC, who knows how to learn jquery. And feel more interested in jquery, such as having written this morning about the practice of jquery implementing DropDownList (MVC) http://www.cnblogs.com/insus/p/3413749.html, Is the jquery implementation of DropDownList. On this basis, we also use
Test environment: vs2013,. Net4.5, MVC5One, ASP. NET MVC Binding Control Principle DescriptionTaking Html.textbox as an example /// name, corresponding with name and ID /// Value , if value is null or does not exist, then value is automatically equal to name. The order is obtained by first looking for the existence of an entry from ViewData that has a key value of name, and if none is found in the ViewData, if there is a property name
in users){Items. ADD (new SelectListItem {Text = user. Name, Value = user. Age.tostring ()});}This is clearly beyond our tolerance. So what is best practice? asp.net mvc prepares a secondary type for the DropDownList and the listbox (both using the SELECT tag in html): SelectList. SelectList inherits from Multiselectlist, while the latter implements Ienumerable The multiselectlist contains four propertie
best practice, although they can achieve the correct display of DropDownList. In a real project, we prefer to use strong typing in our code. For example, in the above two cases, the text and value of SelectListItem are originally the name and age properties of the user object, but the code above does not reflect the corresponding relationship. If the user list is obtained from a database or other external resource, do we have to bind it in such a way
The previous days, using jquery in an MVC application, implemented the jquery implementation of two DropDownList linkage (MVC) http://www.cnblogs.com/insus/p/3414480.html. This exercise is also carried out on this basis.Insus.net wants to implement two DropDownList linkage in the M
This article describes the use of dropdownlist, which is a common control in ASP. net mvc. This method is more convenient for using htmlhelper. In ASP. net mvc, although we can directly write HTML controls on the page and bind them with attributes, it is more convenient to use the auxiliary methods in htmlhelper. The view contains an HTML attribute of the htmlhe
default one. Although the above two methods can achieve the correct display of dropdownlist, it is not the best practice. In actual projects, we prefer to use a strong type in the code. For example, in the above two examples, the text and value of selectlistitem are the name and age attributes of the user object, but the above Code does not reflect this ing. If the user list is obtained from the database or other external resources, do we need to bin
In ASP. net mvc, although we can directly write HTML controls on the page and bind them with attributes, it is more convenient to use the auxiliary methods in HtmlHelper. The View contains an Html attribute of the HtmlHelper type, which provides shortcuts for rendering controls.Today we will mainly discuss the usage of Html. DropDownList, starting with Html. TextBox.Html. TextBox has an overload method in t
canNew " DepartmentID " " Name ");Change to:New " DepartmentID " " Name ","1");Here "1" refers to the ID of the display item.But this approach is still more "stupid", we can set a property in the table called isselected (as shown in the table), the value of each option to determine which item is selected. PublicActionResult showdropdownlist () {Sampledatacontext db=NewSampledatacontext (); ListNewList(); foreach(varDepartmentinchdb. Departments) {SelectListItem SelectListItem=NewSelectListItem
Use of the Html. DropDownList () auxiliary method in the MVC view, mvcdropdownlist We first prepare a SelectList type in the controller, and then pass it into the view through ViewBag. List. The SelectList type is provided by the HTML auxiliary methods related to the ASP. net mvc Special List. For example, Html. DropDownList
dictionarystring,string> mydic =Newdictionarystring,string>(); Mydic.add (System.DBNull.Value.ToString (),"---"); Mydic.add ("Male","male"); Mydic.add ("Female","female"); //var items = new List//{ //(New SelectListItem () {Text = "male", Value = "Male", Selected = false}),//(New SelectListItem () {Text = "female", Value = "female", Selected = true})//};@Html. DropDownList ("sexlist", viewbag.sexlist asListNew{@class ="L-text Required", sty
Use MVC dropdownlist, mvcdropdownlist View code @ {ViewBag. title = "dropdownlist" ;} Code in Control Public ActionResult dropdownlist () {var q = from p in modeltest. students select p; List
Background Pass Value listFront Page@Html. DropDownList ("userstate", viewdata["userstate"] as SelectList, "--Please select--", new {@class = "Form-control input-sm"}) //Abstract: // use the specified HTML Helper, the form linked fields, the specified list items, the options tag, and the specified HTML, to return a single select item. //// Parameters:////HtmlHelper:// This method is an expanded HTML Hel
no-padding-hr"style="border-radius:0;"/> } } class="List-group-item">@Html. Dropdownlistfor (Model= Model.companynature, viewbag.companynature asIenumerable) class="List-group-item">@Html. Dropdownlistfor (Model= Model.companybusiness, viewbag.companybusiness asIenumerable) We're not going to be able to style it right here.Find a solution on the Internet, some suggestions directly with Then I examine the elements
This article briefly introduces the usage and Correction Methods of DropDownList in net mvc. Recently, my younger brother found a bug in DropDownList in. net mvc development. The following describes the occurrence of bugs. First, check the Controller code: Public ActionResult Index (){List Country. Add (new SelectListI
ASP. net mvc allows @ Html. DropDownList to display the default value, @ Html. during the DropDownList process, it is found that its usage is very limited. For example, when loading, display the Set Default item or adjust its display style, I checked some information on the Internet, the problem was finally solved. I. View code @ Using (Ajax. beginForm ("Edit"
Recently, my younger brother found a bug in DropDownList in. net mvc development. The following describes the occurrence of bugs.First, check the Controller code:Public ActionResult Index () {List Country. Add (new SelectListItem () {Text = "China", Value = "1", Selected = true });Country. Add (new SelectListItem () {Text = "", Value = "2 "});Country. Add (new SelectL
viewdata["modulelist"] = new SelectList (new El_basic_moduleinfo (). Rows (). AsEnumerable (), "ModuleID", "name", Objel_userinfo.moduleid);The first parameter is the data obtained by the queryThe second parameter is the ID of the binding, the field propertyThe fourth parameter is the value of the default bindingFront binding@Html. DropDownList ("Drpmodule", (selectlist) viewdata["Modulelist"], "--select one--", new{@class = "Form-control"})In
Start building with 50+ products and up to 12 months usage for Elastic Compute Service
1 on 1 presale consultation
24/7 Technical Support 6 Free Tickets per Quarter Faster Response
Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.
A comprehensive suite of global cloud computing services to power your business
Payment Methods We Support
