日期时间转换器 WPF [英] datetime converter WPF

问题描述

我有这个转换器，我可以在从 DataPicker 中选择日期后获取当前时间.在字符串日期中，我正在获取从 DatePicker 中选择的值，但我似乎不能只获取日期.进入 Value 属性的格式是 9/24/2013 12:00:00 我希望它是 9/24/2013

I have this converter that i made to get the current time once the date is selected from the DataPicker. In string Date i am getting the value that was selected from the DatePicker, but i cant seem to only get the date. The format that is coming into the Value property is 9/24/2013 12:00:00 I would like it to be 9/24/2013

我得到的错误是错误 122 没有重载方法 'ToString' 需要 1 个参数"

the error i am getting is "Error 122 No overload for method 'ToString' takes 1 argument"

public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
            if (value is DateTime)
            {
            string date = value.ToString("d/M/yyyy");
            return (date);
            }

             return string.Empty;
}

推荐答案

您需要先将其强制转换为 DateTime:

You need to cast it to DateTime first:

public object Convert(object value, Type targetType, object parameter,
                      System.Globalization.CultureInfo culture)
{
    if (value is DateTime)
    {
        DateTime test = (DateTime) value;
        string date = test.ToString("d/M/yyyy");
        return date;
    }

    return string.Empty;
}

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