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Editorial Team
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Asked: 2026-06-09T00:54:01+00:00

I’m using asp CustomValidator to perform client-side validation on a few controls when the

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I’m using asp CustomValidator to perform client-side validation on a few controls when the user clicks the Save button on a page. However, this page is quite long so often they can’t see the validation message that’s displayed next to a control that fails validation. How can I put a general validation message next to the Save button too, e.g. ‘Please resolve the validation errors above’ so the user knows why the page hasn’t submitted?

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1 Answer

  1. Editorial Team

    You can use a Validation Summary control, which you can put near your save button and it will provide a summary of all the validation controls that are invalid.

    You can define it using the following rules:

    <asp:ValidationSummary 
     id="programmaticID" 
     DisplayMode="BulletList | List | SingleParagraph" 
     EnableClientScript="true | false"
     ShowSummary="true | false"
     ShowMessageBox="true | false"                        
     HeaderText="You need to resolve the following issues before you are able to continue:"
     runat="server"/>
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