mvc dropdownlist from database

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

item, and if the item is ienumerable Example 2: If the action has the following code: listItems. ADD (new SelectListItem {Text = "Kirin", Value = "29"});Items. ADD (new SelectListItem {Text = "Jade", Value = "28"});Items. ADD (new SelectListItem {Text = "Yao", Value = "24"});This. viewdata["List" = items;This. Viewdata["selected"] = 24;The code in view is as follows: The helper method binds viewdata["list" to a drop-down box, then gets the item selected from the ViewData, and sets the value

. 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

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

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 bind it in this way? var users = GetUsers(); foreach (var user in users) { items.Add(new SelectListItem { Text = user.Name, Value = user.Age.To

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

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 o

", Value = "29 "});Items. Add (new SelectListItem {Text = "Jade", Value = "28 "});Items. Add (new SelectListItem {Text = "Yao", Value = "24 "});This. ViewData ["list"] = items;This. ViewData ["selected"] = 24; the Code in View is as follows: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, t

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

This article describes how to display DropDownList in a Web page.Step 1: Add a method inside the control Public actionresult showdropdownlist () { return View (); }Step 2: Add code to the View section@Html. DropDownList ("Department",NewList { NewSelectListItem {Text ="IT", Value ="1", Selected =true}, NewSelectListItem {Text ="HR", Value ="2"}, NewSelectListItem

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