我有以下ASP页面:
<asp:Content ID="Content2" ContentPlaceHolderID="ShellContent" runat="server"> <form runat="server" id="AddNewNoteForm" method="post""> <fieldset id="NoteContainer"> <legend>Add New Note</legend> <asp:ValidationSummary ID="ValidationSummary1" runat="server" /> <div class="ctrlHolder"> <asp:Label ID="LabelNoteDate" runat="server" Text="Note Date" AssociatedControlID="NoteDateTextBox"></asp:Label> <asp:TextBox ID="NoteDateTextBox" runat="server" class="textInput" CausesValidation="True" ></asp:TextBox> <asp:CustomValidator ID="CustomValidator1" runat="server" ErrorMessage="CustomValidator" ControlTovalidate="NoteDateTextBox" OnServerValidate="CustomValidator1_ServerValidate" display="Dynamic" >*</asp:CustomValidator> </div> <div class="ctrlHolder"> <asp:Label ID="LabelNoteText" AssociatedControlID="NoteTextTextBox" runat="server" Text="Note"></asp:Label> <asp:TextBox ID="NoteTextTextBox" runat="server" Height="102px" TextMode="MultiLine" class="textInput" ></asp:TextBox> <asp:requiredFieldValidator ID="requiredFieldValidator2" runat="server" ErrorMessage="Note Text is required" ControlTovalidate="NoteTextTextBox">*</asp:requiredFieldValidator> </div> <div class="buttonHolder"> <asp:Button ID="OkButton" runat="server" Text="Add New Note" CssClass="primaryAction" onclick="OkButton_Click"/> <asp:HyperLink ID="HyperLink1" runat="server">Cancel</asp:HyperLink> </div> </fieldset> </form> </asp:Content>
以及CustomValidator1_ServerValidate()方法的以下代码:
protected void CustomValidator1_ServerValidate(object source,ServerValidateEventArgs args) { if (string.IsNullOrEmpty(args.Value.Trim())) { args.IsValid = false; CustomValidator1.ErrorMessage = "Note Date is required!"; return; } DateTime testDate; if (DateTime.TryParse(args.Value,out testDate)) { args.IsValid = true; CustomValidator1.ErrorMessage = "Invalid Date!"; } }
无论我放在文本框中,它似乎都无法验证
应该提到这是ASP.NET 2.0
解决方法
原文地址:https://www.jb51.cc/aspnet/250194.html
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