[英]I paste value to textbox by jquery but i can't get this value from behind code
There are 3 asp:Textbox Using keyup in jquery to paste value to 3th asp:TextBox from 2 asp:TextBox before.有 3 个 asp:Textbox 在 jquery 中使用 keyup 将值从之前的 2 个 asp:TextBox 粘贴到第 3 个 asp:TextBox。 (asp:Textbox 1 + asp:Textbox 2)
(asp:文本框 1 + asp:文本框 2)
<asp:TextBox runat="server" ID="Total" CssClass="form-control"></asp:TextBox>
ex:前任:
result = parseFloat(txt1) + parseFloat(txt2)
$('input[id*=Total]').val(result);
in view: txt3 is 10在视图中:txt3 是 10
But in behind code I can't get value from 3th asp:TextBox但是在后面的代码中,我无法从第 3 个 asp:TextBox 中获得价值
Your asp element should have runat="server"
so that it can be referenced from code behind.你的 asp 元素应该有
runat="server"
以便它可以从后面的代码中引用。
Note that when you use runat="server"
the id is auto-generated so you need to specify the clientIDMode
to make it static
.请注意,当您使用
runat="server"
,id 是自动生成的,因此您需要指定clientIDMode
以使其成为static
。
<asp:TextBox ID="txtBox" runat="server" ClientIDMode="Static"></asp:TextBox>
Also, if you don't want ClientIDMode to be static you can still reference the asp Element like following:此外,如果您不希望 ClientIDMode 是静态的,您仍然可以像下面这样引用 asp 元素:
$('#<%=txtBox.ClientID%>').xxx();
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