[英]ASP.net C# Read LiteralControl <select> <Option> from code behind
在我的 ASP 代碼中,我創建了一個下拉菜單
C# :
DivPlant.Controls.Add(new LiteralControl("<select id='" + SelectID + "' multiple='multiple'>"+Options+"</select>"));
ASPX:
<div id="DivPlant" runat="server" multiple="multiple" style="float:left">
我如何從后面的代碼中獲取選定的值?
您可以使用 Request.Form[] 訪問選定的值
在你的 aspx 頁面中:
<form id="form1" runat="server">
<div id="DivPlant" runat="server" style="float:left">
<asp:Label runat="server" id="lblSelection"></asp:Label>
<asp:Button id="btnSubmit" runat="server" onclick="btnSubmit_Click"/>
</div>
</form>
在你后面的代碼中:
protected void Page_Load(object sender, EventArgs e)
{
string SelectID = "ddlTest";
string Options = "<option value='volvo'>Volvo</option>";
DivPlant.Controls.Add(new LiteralControl("<select name='ddlName' id='" + SelectID + "'>" + Options + "</select>"));
}
protected void btnSubmit_Click(object sender, EventArgs e)
{
lblSelection.Text = Request.Form["ddlName"];
}
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