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我在ASP .NET中實現了兩個下拉列表,但我使用jQuery在客戶端執行一些檢查,下面是場景:用戶從ddl1中選擇一個選項,然後在選擇來自ddl2的特定項目應該被移除或禁用,並且用戶將被通知。 下面的jQuery代碼: 在ASP .NET我用「的onchange」調用的方法從下拉列表中刪除項目使用jQuery的ASP .NET
var myTest = function() {
var val1 = $('#ContentPlaceHolder1_ddlGxP').val();
var val2 = $('#ContentPlaceHolder1_ddlFinalizedMethod').val();
console.log('glpvalue: ' + val1);
console.log('finalizedmethod: ' + val2);
if (val1 === '3' && val2 === '2') {
// document.getElementById('<%=txtComments.ClientID%>').value = "!Please Insert another GLP Method.";
$("#ContentPlaceHolder1_ddlGxP[value='3']").remove();
$("#ContentPlaceHolder1_RequiredFieldValidator10").css({"visibility": "visible", "color": "red"});
//alert('! Please select another GxP Standard');
$(':input[type="submit"]').prop('disabled', true);
}
else {
$(':input[type="submit"]').prop('disabled', false);
$("#ContentPlaceHolder1_ddlGxP[value='3']").remove();
$("#ContentPlaceHolder1_RequiredFieldValidator10").css({ "visibility": "hidden", "color": "red" });
}
問題是我DDL1該項目不會被刪除。
DDL1的實施
<div>
<asp:Label ID="Label2" runat="server" CssClass="stdLabel">GxP standard <span class="mandatory"> *</span></asp:Label>
if (userRole == ("Administrator") ||
<asp:DropDownList ID="ddlGxP" runat="server" CssClass="stdDropdownSmall" OnSelectedIndexChanged="ddlGxP_SelectedIndexChanged" AutoPostBack="true" />
<asp:RequiredFieldValidator ID="RFVddlGxP" runat="server" ControlToValidate="ddlGxP" InitialValue="0" CssClass="RequiredFieldError" ErrorMessage=" ! Please insert" />
else
<asp:TextBox ID="txtGxPDisabled" runat="server" CssClass="stdTextboxSmallDisabled" Enabled="false" />
}
</div>
DDL2實施
<div>
if (!string.IsNullOrEmpty(txtFinalized.Text))
{
<asp:Label ID="Label23" runat="server" CssClass="stdLabel">Finalized Method<span class="mandatory"> *</span></asp:Label>
<%}
else
{
<asp:Label ID="Label17" runat="server" CssClass="stdLabel">Finalized Method </asp:Label>
}
if (userRole == ("Administrator") ||
userRole == ("Expert") ||
(userRole == ("User") && (txtOwner.Text == "" || txtOwner.Text.ToUpper() == userName.ToUpper())))
{
<asp:DropDownList ID="ddlFinalizedMethod" runat="server" CssClass="stdDropdown" OnSelectedIndexChanged="ddlGxP_SelectedIndexChanged" AutoPostBack="true" onchange="myTest()" />
<asp:RequiredFieldValidator ID="RequiredFieldValidator10" runat="server" ControlToValidate="ddlFinalizedMethod" InitialValue="0" CssClass="RequiredFieldError" ErrorMessage=" !Please select another Standard" />
}
else
{
<asp:TextBox ID="txtFinalizedMethodDisabled" runat="server" CssClass="stdTextboxSmallDisabled" Enabled="false" />
}
</div>
然後有什麼問題? –
對不起,該項目不會從列表中刪除,我使用.hide();也沒有工作 – Mindan
請創建一個你的問題的小提琴示例,以便我們可以糾正並讓你知道 –