Winforms 将文本框格式化为货币

问题描述

我是 Winforms 开发的新手，我将在文本框中向我的用户显示数据.文本框将与货币数据绑定，因此我尝试格式化正在显示的值.

I am new to Winforms development and I going to be displaying data to my users in a textbox. The textbox will be databound with data that is currency so I am trying to Format the value that is being displayed.

我查看了一个蒙面文本框，但这并不是我想要的，因为它没有将美分放在小数点后.

I looked at a Masked Text Box but that isn't exactly what I am looking for because it doesn't put the cents after the decimal.

我需要为每个与此类似的文本框编码吗?

Do I need to code for each textbox similar to this?

TextBox.Text = DataSet.DataView[0].Amount.ToString("c");

我有很多需要格式化的文本框，所以我想知道是否需要为每个文本框都这样做.有人有什么建议吗?

I have alot of textboxes that need to be formatted so I am wondering if I need to do this for each one. Does anyone have any suggestions?

推荐答案

您可以创建自己的 TextBox 派生自标准文本框

You can create your own TextBox derived from standard one

 public class TextBoxEx : TextBox
{
    public string Format { get; set; }

    private object datasource = new object();
    public object Datasource
    {
        get { return datasource; }
        set 
        {
            datasource = value;
            if (datasource == null)
                base.Text = string.Empty;
            else if(string.IsNullOrWhiteSpace(Format))
                base.Text = datasource.ToString();
            else
                base.Text = string.Format("{0:"+ Format + "}",datasource);
        }
    }
}

用法:

   textbox.Format = "c";
   textbox.Datasource = DataSet.DataView[0].Amount;

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