通过选择DropDwonList1中的特定位置(DropDwonList1),我想回忆一下"if“,它将更改DropDownList2的"true”的可见参数。在DropDownlist1中有4个值为1、2、3和4的ListItem元素。然而,通过在DDL1中选择特定的位置。什么都没发生。protected void DropDown 浏览3提问于2022-01-09得票数 0 ...
DropDownList(String, String, IEnumerable<SelectListItem>, Object, Object) 返回一个具有指定名称、由特性对象定义的自定义特性、默认选择,并且包含指定列表项和默认项的 HTML 下拉列表控件。 C# publicSystem.Web.IHtmlStringDropDownList(stringname,stringdefaultOption, System.Collections.Generic.IEnumerable<System.W...
开发者ID:gerpayt,项目名称:yii2-select-column,代码行数:11,代码来源:SelectColumn.php 示例9: renderDropDown ▲点赞 1▼ /** * Render dropdown list */publicfunctionrenderDropDown(){if($this->hasModel()) {echoHtml::activeDropDownList($this->model,$this->attribute,$this->items,$this->optio...
Html.DropDownLis绑定数据库 效果: 方法一: View: 1<divclass="col-md-md-4">2<divclass="input-group">3<spanclass="input-group-addon">部门:</span>4@Html.DropDownList("f_GroupID", ViewData["ConsumerGroup"] as SelectList, "请选择",new { @class = "form-control" })5</div>6</div>...
HTML - Selection forms We will use the size attribute to change a drop-down list to a selection form html<selectname="my_html_select_box"size="3"><option>New York</option><option>Bucharest</option><option>Madrid</option></select> ...
selectList) )或expression针对Model求值的 。null 有关“全名”的详细信息,请参阅 Name(String)。 C# 复制 public Microsoft.AspNetCore.Html.IHtmlContent DropDownList (string expression, System.Collections.Generic.IEnumerable<Microsoft.AspNetCore.Mvc.Rendering.SelectListItem> selectList, string optionLabel, ...
Returns an HTML drop-down list control that has the specified name, custom attributes defined by an attribute object, and default selection, and that contains the specified list items and default item. DropDownList(String, String, IEnumerable<SelectListItem>, Object, IDictionary<String,Object>) R...
DOCTYPE html><html><head><title>Dynamic Dropdown List</title></head><body><selectid="dropdown"><optionvalue="1">Option 1</option><optionvalue="2">Option 2</option></select><buttononclick="addOption()">Add Option</button><script>functionaddOption(){vardropdown=document.getElementById(...
Add dropdown list and allow adding new values add HTTPS and the web page is blank Add logo to bootstrap sidebar Add new attribute on SelectListItem Add new item in list at view and return to controller in MVC Add question mark to tooltip Add text to validation field with jquery Add View...
disabledTo stop users from interacting with the dropdown list. formTo set form owner reference id. With this, we need not keep the dropdown inside a form container. requiredEnable browser default validation to turn the dropdown as a mandatory field. ...