如果数据为空，如何隐藏字符串格式 [英] How to hide stringformat if data is null

问题描述

当不存在数据时如何隐藏字符串格式.请考虑此示例

How to hide a stringformat when data is not present.Consider this sample

<TextBlock Text="{Binding Amount, StringFormat=Total: {0:C}}" />

在这种情况下，如果Amount为null，那么它将仅显示Total:.如果Amount为null或为空，如何隐藏它

in this case if Amount is null,Then it will show just Total:.How to hide this if Amount is null or empty

推荐答案

"TargetNullValue"是我一直在寻找的东西.

"TargetNullValue" is what i was looking for.I ended up with this and it worked like a charm

<TextBlock VerticalAlignment="Top"
             Text="{Binding Path=TotalMonths,
        TargetNullValue={x:Static System:String.Empty},
        StringFormat=Total: {0:C}}" />

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