问题描述:

When I enter 9:00 into the Start control, and 16:00 into Finish; the code below fails validation.

Does anybody know a way I can use the ASP.NET validator for times without the dates?

Start <asp:TextBox ID="txtStart" runat="server" /> (hh:mm)

<br />

Finish <asp:TextBox ID="txtFinish" runat="server" /> (hh:mm)

<br />

<asp:CompareValidator

id="cpvFinish"

ControlToValidate="txtFinish"

ControlToCompare="txtStart"

Operator="GreaterThanEqual"

Type="Date"

Display="Static"

EnableClientScript="true"

ErrorMessage="Finish time must be later than the start time."

runat="server" />

PS-I know I can easily use CustomValidator instead, it just seems like something this validator should be able to handle.

网友答案:

This appearently cannot be done.

For the record; I used a custom validator.

EDIT: Here's my custom validator code in case anyone (i.e. alhambraeidos) needs it. Please note, this code replaces my sample control names (txtStart & txtFinish) with actual names from my app (txtReady & txtClose).

try
{
    // parse & compare dates
    string randomDt = "01/01/2000 ";
    args.IsValid = DateTime.Parse(randomDt + txtClose.Text) > DateTime.Parse(randomDt + txtReady.Text);
}
catch(Exception /*ex*/)
{
    // exception is assumed to be invalid times entered
    args.IsValid = false;
}
网友答案:

try to change the Type property to String, it should work.

网友答案:

Compare validator allowable types are: Stinrg, Integer, Double, Date (no time) Currency

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