[英]Calling to c# function from javascript function
I have a javascript function and c# fanction.我有一个 javascript 函数和 c# fanction。 I need to call to the c# function from the javascript function, but I don't know how...
我需要从 javascript 函数调用 c# 函数,但我不知道如何...
Can someone help me?有人能帮我吗?
Thank you!谢谢!
The javascript function- javascript函数-
<script type="text/javascript" language="javascript">
function DeleteBook(idimg) {
// idimg is a string
var userConfirm = window.confirm('Are you sure?');
if (userConfirm == true) {
control.Sess(idimg);// The line which is colling to the c# function - doesn't work
window.open('Delete.aspx');
}
else
return false;
}
</script>
The c# function- C# 函数-
protected void Sess(string id)
{
Session["forDelete"] = id;
}
You can create a web method您可以创建一个网络方法
[WebMethod(EnableSession = true)]
public static Application GetApplication(int id)
{
}
and in javascript you then do something like this然后在 javascript 中你做这样的事情
$.ajax(
{
type: "POST",
url: "Applications.aspx/GetApplication",
contentType: "application/json; charset=utf-8",
data: "{'id':" + id + "}",
dataType: "json",
success: methodToDoSomethingOnSuccess,
error: function (rhq, textStatus, errorThrown) {
alert ("some went awry");
}
});
you have to create an input of type submit that invokes your C# function using the HTML and make it hidden.您必须创建一个 submit 类型的输入,该输入使用 HTML 调用您的 C# 函数并将其隐藏。 Then create a div tag and using javascript do this:
然后创建一个 div 标签并使用 javascript 执行以下操作:
@CSS
.Hidden {
display:none;
}
@HTML
<input type="submit" id="SubmitTag" OnClick="C# Functin" class="Hidden" runat="server" />
//if using MVC and Razor
@using (Html.BeginForm("Action Name", "Controller Name", FormMethod.Post)) {
<input type="submit" id="SubmitTag" class="Hidden" />
}
<div id="OnDivClick"> what you want to do in here </div>
@JS
$('#OnDivClick').click(function () {
$('#SubmitTag').trigger("click");
});
Well, there are ways to do this but I believe that you're trying to save something in the Session
for the Delete.aspx
page to read it.嗯,有很多方法可以做到这一点,但我相信您正在尝试在
Session
保存一些内容,以便Delete.aspx
页面阅读它。 The simplest solution is just post the data in:最简单的解决方案是将数据发布到:
var form = document.createElement("form");
form.setAttribute('method', 'post');
form.setAttribute('action', 'Delete.aspx');
form.setAttribute('target', '_blank');
form.innerHTML = '<input type="hidden" name="forDelete" value="' + idimg + '" />';
document.body.appendChild(form);
form.submit();
This dynamically creates a form and submits it with idimg
which will open the page Delete.aspx
in a new window.这会动态创建一个表单并使用
idimg
提交它,这将在新窗口中打开页面Delete.aspx
。
All that's left to do is go to the C#
part of Delete.aspx
page and catch the incoming data:剩下要做的就是转到
Delete.aspx
页面的C#
部分并捕获传入的数据:
string idimg = Request.Form["forDelete"];
// Do whatever with it
Session["forDelete"] = idimg; // If you still want to save it in Session
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