asp.net-mvc asp.net mvc razor 将两项相乘并转换为字符串
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asp.net mvc razor multiply two item and convert to string
提问by Bar??
When I write @(line.Quantity * line.Product.Price).ToString("c")the result is
当我写 @(line.Quantity * line.Product.Price).ToString("c")结果是
39,00.ToString("c")
and @line.Quantity * line.Product.Price.ToString("c")result is
而@line.Quantity * line.Product.Price.ToString("c")结果是
2 * line.Product.Price.ToString("c")
How can i multiply two values and convert it to string in a razor view?
如何在剃刀视图中将两个值相乘并将其转换为字符串？
回答by jgauffin
try
尝试
@((line.Quantity * line.Product.Price).ToString("c"))
The problem is that razor do not know when the output string ends since @ is used to display code in HTML. Spaces switches razor back to HTML mode.
问题是 razor 不知道输出字符串何时结束，因为 @ 用于在 HTML 中显示代码。Spaces 将剃刀切换回 HTML 模式。
Wrapping everything into parenthesis makes razor evaluate the entire code block.
将所有内容都括在括号中使 razor 评估整个代码块。
Although the most proper way would be to introduce a new property in your model:
虽然最正确的方法是在模型中引入一个新属性：
public class MyModel
{
public double Total { get { return Quantity * Product.Price; }}
//all other code here
}
and simply use:
并简单地使用：
@line.Total.ToString("c")
