使用 Masktype Time 的 MaskedEditExtender 时，如何覆盖不良行为？
当正确指定输入时，以下两行可以正常工作：
<asp:TextBox ID="MondayOpenTextBox" runat="server" MaxLength="5" />
<Ajax:MaskedEditExtender ID="MondayOpenMaskedEditExtender" runat="server"
TargetControlID="MondayOpenTextBox" AcceptAMPM="false" MaskType="Time"
Mask="99:99" />
如果用户输入“12”，然后按 Tab 键切换到下一个字段，则分钟数将填充为当前分钟数。这对于相关页面来说是不可取的。我要么想弹出一条错误消息，要么填写“00”作为跳过的数字。
这没有帮助：
<asp:RegularExpressionValidator runat="server" ID="ValidateMondayOpenTextBox"
ControlToValidate="MondayOpenTextBox" Display="Dynamic" ErrorMessage="X"
ValidationExpression="\d\d:\d\d" />
因为该字段显然是在轮到验证器时格式化的。
The following two lines work fine when input is correctly specified:
<asp:TextBox ID="MondayOpenTextBox" runat="server" MaxLength="5" />
<Ajax:MaskedEditExtender ID="MondayOpenMaskedEditExtender" runat="server"
TargetControlID="MondayOpenTextBox" AcceptAMPM="false" MaskType="Time"
Mask="99:99" />
If the user enters "12" then tabs to the next field, the minutes get populated with the current minute. This is not desirable for the page in question. I'd either like to popup an error message, or fill in "00" for the skipped digits.
This does not help:
<asp:RegularExpressionValidator runat="server" ID="ValidateMondayOpenTextBox"
ControlToValidate="MondayOpenTextBox" Display="Dynamic" ErrorMessage="X"
ValidationExpression="\d\d:\d\d" />
as the field is apparently formatted by the time the validator gets its turn at it.
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您可以设置 MaskedEdit< 的
AutoComplete属性/a> 扩展为false以防止它用当前时间填充空屏蔽字符：这样，您的验证器应该能够正确完成其工作。
You can set the
AutoCompleteproperty of your MaskedEdit extender tofalsein order to prevent it from filling the empty masked characters with the current time:That way, your validator should be able to properly do its job.
要使其填充 :00，您可以将属性 AutoCompleteValue 设置为“99:00”
To get it filled with :00 you can set the property AutoCompleteValue to "99:00"