Where(x => x.Value == "2").FirstOrDefault().Selected = true; ViewBag.Options = items; return View(); } 这将使"Option 2"成为默认选项。 希望这可以帮助您使用Html.DropDownList为默认选项设置值。如果您有其他问题,请随时提问。相关搜索: 如何使用Javascript设置默认选项?
Default port for an oledbconnection Default value for Drop down in Razor view default value on DropDownList? Defaultproxy bypasslist: addresses that do not use a proxy Define Debug Constant in csproj delay a response redirect Delete all files and folders in a certain FTP source folder Delete all...
DropDownList1.DataTextField = "DisplayName"; // 显示文本的字段名 DropDownList1.DataValueField = "ID"; // 实际值的字段名 进行数据绑定: 调用DataBind()方法,完成数据的绑定操作。 csharp DropDownList1.DataBind(); 以下是一个完整的ASP.NET Web Forms示例代码: aspx <!-- 在ASPX页面中 -->...
@Html.DropDownListFor not selecting the selected value on post @Html.DropDownListFor set default value @Html.EditorFor - disabled @Html.EditorFor always returns FALSE on bool type @Html.EditorFor and decimal type @Html.Grid @Html.RadioButtonFor Default to Unchecked @Html.RadioButtonFor is not ...
public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { } protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e) { ClientScript.RegisterStartupScript(this.GetType(), "", "getDDLTextandValue()"); } }...
代码语言:csharp 复制 @Html.DropDownListFor(model=>model.SelectedOption,Model.OptionsList,"Default Option") 在上述代码中,"Default Option"被设置为默认选项,因为它作为第三个参数传递给Html.DropDownListFor方法。 MVC DropDownList中的默认选项可以在以下场景中使用: ...
A skin part that defines the appearance of the drop indicator. The drop indicator is resized and positioned by the layout to outline the insert location when dragging over the List. By default, the drop indicator for a Spark control is a solid line that spans the width of the control. Cre...
When the Value of the DropDownList changes, it dispatches the MSAA event EVENT_OBJECT_VALUECHANGE. Location The MSAA Location of a DropDownList or a list item is its bounding rectangle. Default Action A DropDownList does not have an MSAA DefaultAction ...
foreach (Control c in Ctl) { //如果PH中还有其它的服务器控件,此处必须加入服务器控件类型的判断 DropDownList dl = (DropDownList)c; sb.Append("选中的文本:" + dl.SelectedItem.Text + " 选中的值:" + dl.SelectedItem.Value + ""); } Response...
31//拼表名 32 info.GoodsinfoName ="GoodsInfo_"+ ucate; 33 info.GoodsdetailName ="GoodsDetail_"+ ucate; 34 ViewState["ucate"] = ucate; 35 } 36stringedit = Request.QueryString["edit"]; 37if(edit ==null) 38 { 39 DetailsView1.DefaultMode = DetailsViewMode.Edit; ...