MVC 5中html.textbox的条件绑定 [英] Condional binding for html.textbox in MVC 5

问题描述

如何基于以下视图中的某些条件绑定 html.textbox 的数据。

如果long_variable为0，我想要将空值分配给 Html.TextBox ，否则为long_variable中的值。

How do i bind the data for html.textbox based on some condition in view like below.
If long_variable is 0, i want to assign empty to the Html.TextBox, else the value which is in long_variable.

<%= Html.TextBox("long_variable", "", new { @class = "short"})%>

我的尝试：



i尝试如下，但我不知道确切的事情。



<％if（Model.BagRunTime == 0）{ ％>

<％= Html.TextBox（BagRunTime，，new {@class =short}）％>

What I have tried:

i tried like below, but i don't know the exact thing to do.

<%if(Model.BagRunTime==0) { %>
<%= Html.TextBox("BagRunTime", "", new { @class = "short"})%>

推荐答案

尝试使用三元运营商 [ ^ ]：

Try using the ternary operator[^]:

<%= Html.TextBox("long_variable", long_variable == 0 ? "" : long_variable.ToString(), new { @class = "short"}) %>

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