为类中的变量分配ApplyingSize [英] Assigning applyingsize to variables in a class

问题描述

我需要定义一个类(下面的示例)，其中定义的每个变量都必须具有预定义的大小，以便在使用该变量为其提供值时进行设置；我要确保我分配的值不大于其预定义的大小，并且如果分配的值小于最大长度/大小，那么我想用空格填充变量，我该怎么做?提前谢谢.

//使用StringLength属性并不能解决问题(我想我在这里错误地使用了它).

I need to define a class (example below), where each variable defined must have a pre defined size so that when I use that variable to feed it a value; I want to make sure I do not assign a value larger than its pre defined size, and if the value assigned is smaller than the max length/size then I want to pad the variable with spaces, how do I do that? Thanks in advance.

// Using StringLength attribute did not do the trick (I think I am using it wrongly here).

public class FormActivityDetails
{
    [Required]
    [StringLength(10)]
    public string CustomerID { get; set; }
    [Required]
    [StringLength(10)]
    public string DcID { get; set; }
    public string DcIDQual { get; set; }

}

推荐答案

使用具有定义的开始位置和结束位置的子字符串解决.

solved by using substring with defined start location and end location.

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