wpf,当textbox绑定的value是int,decimal等数值类型时,当textbox 清空的时候,导致value仍然是原来的值的解决办法
作者:互联网
1 public class ValueConverter : IValueConverter 2 { 3 public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) 4 { 5 return value; 6 } 7 8 public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) 9 { 10 if (value is string && (string)value == "") 11 { 12 return 0; 13 } 14 15 return value; 16 } 17 }
view
Text="{Binding SupplyQuantity, Converter={StaticResource ValueConverter}, UpdateSourceTrigger=PropertyChanged}"
标签:return,int,object,System,value,culture,public,textbox 来源: https://www.cnblogs.com/zsx-blog/p/16085366.html