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<blockquote data-quote="RTT" data-source="post: 6401" data-attributes="member: 2333">It's my first time i want to write a cotum validator but it doesn't seem towork. In de page i've put this validator:&lt;asp:CustomValidator id=&quot;CVFBeginDate&quot;OnServerValidate=&quot;CVFBeginDate_ServerValidate&quot; runat=&quot;server&quot;ErrorMessage=&quot;Please fill in a valid date as startdate&quot;ControlToValidate=&quot;TxtBeginDate&quot;&gt;*&lt;/asp:CustomValidator&gt;in de codebehindpage i have created this sub:&nbsp;&nbsp; Protected Sub CVFBeginDate_ServerValidate(ByVal source As System.Object,ByVal args As System.Web.UI.WebControls.ServerValidateEventArgs) HandlesCVFBeginDate.ServerValidate&nbsp; &nbsp; &nbsp; &nbsp; Try&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; tmp = args.Value.Split(&quot;/&quot;)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; testDate = New Date(tmp(2).ToString(), tmp(1).ToString(),tmp(0).ToString())&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; args.IsValid = True&nbsp; &nbsp; &nbsp; &nbsp; Catch&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; args.IsValid = False&nbsp; &nbsp; &nbsp; &nbsp; End Try&nbsp; &nbsp; End Subit doesn't seem to work. do you have to put something special to the customvalidator?</blockquote>

[QUOTE="RTT, post: 6401, member: 2333"] It's my first time i want to write a cotum validator but it doesn't seem to work. In de page i've put this validator: <asp:CustomValidator id="CVFBeginDate" OnServerValidate="CVFBeginDate_ServerValidate" runat="server" ErrorMessage="Please fill in a valid date as startdate" ControlToValidate="TxtBeginDate">*</asp:CustomValidator> in de codebehindpage i have created this sub: Protected Sub CVFBeginDate_ServerValidate(ByVal source As System.Object, ByVal args As System.Web.UI.WebControls.ServerValidateEventArgs) Handles CVFBeginDate.ServerValidate Try tmp = args.Value.Split("/") testDate = New Date(tmp(2).ToString(), tmp(1).ToString(), tmp(0).ToString()) args.IsValid = True Catch args.IsValid = False End Try End Sub it doesn't seem to work. do you have to put something special to the custom validator? [/QUOTE]

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