我试图弄清楚为什么框架拒绝将"1,234.00“值绑定到小数。可能的原因是什么?
像"123.00“或"123.0000”这样的值成功绑定。
我使用以下代码在Global.asax中设置区域性配置
public void Application_AcquireRequestState(object sender, EventArgs e)
{
var culture = (CultureInfo)Thread.CurrentThread.CurrentCulture.Clone();
culture.NumberFormat.NumberDecimalSeparator = culture.NumberFormat.CurrencyDecimalSeparator = culture.NumberFormat.PercentDecimalSeparator = ".";
culture.NumberFormat.NumberGroupSeparator = culture.NumberFormat.CurrencyGroupSeparator = culture.NumberFormat.PercentGroupSeparator = ",";
Thread.CurrentThread.CurrentCulture = culture;
}
法语区域性在Web.Config中设置为默认区域性
<globalization uiCulture="fr-FR" culture="fr-FR" />
我深入研究了System.Web.Mvc.dll的ValueProviderResult类的源代码。它正在使用System.ComponentModel.DecimalConverter。
converter.ConvertFrom((ITypeDescriptorContext) null, culture, value)
这里是消息"1,234.0000不是Decimal的有效值“的地方。来自于。
我试着在我的操场上运行以下代码:
static void Main()
{
var decConverter = TypeDescriptor.GetConverter(typeof(decimal));
var culture = new CultureInfo("fr-FR");
culture.NumberFormat.NumberDecimalSeparator = culture.NumberFormat.CurrencyDecimalSeparator = culture.NumberFormat.PercentDecimalSeparator = ".";
culture.NumberFormat.NumberGroupSeparator = culture.NumberFormat.CurrencyGroupSeparator = culture.NumberFormat.PercentGroupSeparator = ",";
Thread.CurrentThread.CurrentCulture = culture;
var d1 = Decimal.Parse("1,232.000");
Console.Write("{0}", d1); // prints 1234.000
var d2 = decConverter.ConvertFrom((ITypeDescriptorContext)null, culture, "1,232.000"); // throws "1,234.0000 is not a valid value for Decimal."
Console.Write("{0}", d2);
}
DecimalConverter抛出了同样的异常。Decimal.Parse可以正确解析相同的字符串。
https://stackoverflow.com/questions/32236013
复制相似问题