C# 在catch块中打开模态对话
我的行动中有这个代码C# 在catch块中打开模态对话,c#,asp.net-core,modal-dialog,C#,Asp.net Core,Modal Dialog,我的行动中有这个代码 var singedUser = HttpContext.User.Identity.Name; try { _purchaseService.PurchaseCard(singedUser, cardName); } catch { } 我希望只有当代码进入catch块时才会打开它 <div id="Modal" class="modal f
var singedUser = HttpContext.User.Identity.Name;
try
{
_purchaseService.PurchaseCard(singedUser, cardName);
}
catch
{
}
我希望只有当代码进入catch块时才会打开它
<div id="Modal" class="modal fade" role="dialog">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal">×</button>
<h4 class="modal-title">Purchasing Card</h4>
</div>
<div class="modal-body">
<p>You have unsufficient funds!</p>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal">Cancel</button>
</div>
</div>
</div>
</div>
&时代;
采购卡
你没有足够的资金
取消
这是我的按钮
<a class="button btn btn-success"
asp-controller="Store" asp-action="Buy"
asp-route-data ="@card.Name">Buy (@card.Price coins)</a>
购买(@card.Price硬币)
如果有人告诉我,只有当代码进入catch块时,我才能在同一页中打开此对话框,我将通过控制器/操作上的ViewBag传递变量,我将不胜感激。控制器中的类似内容:
<div id="Modal" class="modal fade" role="dialog">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal">×</button>
<h4 class="modal-title">Purchasing Card</h4>
</div>
<div class="modal-body">
<p>You have unsufficient funds!</p>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal">Cancel</button>
</div>
</div>
</div>
</div>
var singedUser = HttpContext.User.Identity.Name;
try
{
_purchaseService.PurchaseCard(singedUser, cardName);
}
catch
{
ViewBag.ShowModal = false;
}
然后切换是否触发JQuery以在视图的脚本部分显示模式:
@section Scripts{
<script>
@if(ViewBag.ShowModal == true){
@Html.Raw("$('#Modal').modal('show');");
}
</script>
}
@节脚本{
@如果(ViewBag.ShowModal==true){
@Html.Raw($('#Modal').Modal('show');”;
}
}
您还可以使用ajax调用返回部分视图并将其添加到DOM中。设置模态以加载局部视图实际上非常简单:
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal">×</button>
<h4 class="modal-title">Purchasing Card</h4>
</div>
<div class="modal-body">
<p>You have unsufficient funds!</p>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal">Cancel</button>
</div>
</div>
谢谢我会查那个,因为我找不到Viewbag一号:)@Edwardcho,如果回答有帮助,你可以把它标记为答案。对不起,我想我需要做一些调整,因为它会打开一个带有模式内容的空白新页面:,如果购买失败,我希望模式显示在同一页面中declined@Edwardcho,不,它不会打开新页面。在新页面中尝试代码,
public IActionResult buy(string data)
{
.....
{
return PartialView("_ModalContent");
}
}