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    <p>Check that you have the your <code>CustomValidator</code> property <code>ValidateEmptyText</code> set to <code>true</code> so that empty text will be validated. Then you will not need the <code>RequiredFieldValidator</code> anymore.</p> <p><strong>EDIT:</strong> I took your code and copy and pasted it into an empty project and it works as expected. There must be something you have not posted, or is posting incorrectly, that we are not aware of. Is there anything else that affects the button that is triggering the validation or the validation controls themselves?</p> <p><strong>EDIT:</strong> Here is the exact code (it's in a content page):</p> <p>aspx page:</p> <pre><code>&lt;asp:Content ID="BodyContent" runat="server" ContentPlaceHolderID="MainContent"&gt; &lt;asp:TextBox ID="txtPRI" runat="server" Width="295" /&gt;&lt;br /&gt; &lt;asp:RequiredFieldValidator ID="RequiredFieldValidator1" display="Dynamic" CssClass="leftAlign" SetFocusOnError="true" runat="server" controltovalidate="txtPRI" errormessage="Please enter your PRI" /&gt; &lt;asp:CustomValidator runat="server" id="cusCustom" controltovalidate="txtPRI" onservervalidate="cusCustom_ServerValidate" Enabled="true" ValidateEmptyText="true" display="Dynamic" CssClass="leftAlign" SetFocusOnError="true" errormessage="The text must be exactly 8 characters long!" /&gt; &lt;/asp:Content&gt; </code></pre> <p>.cs page (empty <code>Page_Load</code>):</p> <pre><code>protected void cusCustom_ServerValidate(object sender, ServerValidateEventArgs e) { // put a break point here and it stops on it if (e.Value.Length == 8) e.IsValid = true; else e.IsValid = false; } </code></pre>
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    1. POasp.net custom validator not firing for textbox
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    1. CODownvote??? Care to explain why?
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    2. COreally eh, so something in my code is interfering with the firing of the event.. i have a bunch of required field validators for other text boxes and that's all. They all fire properly??
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    3. CO@Eric Savard You can do a simple test and just copy and paste the code you posted into an empty project. It works fine. You need to isolate what is causing it so I would start by commenting out as much code as possible and get it to work and then add it back slowly to figure out which snippet is causing the problems.
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Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

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