How to add a required field validator in SharePoint 2013 Application Pages using HTML5

Hi All,

I was developing a custom application page in SharePoint 2013, while adding all my controls in the custom application page i wanted to add a required field validator to a textbox control.

As a .NET developer, you will find the normal action is to add a required field validator to your page, which basically works, but in this post i want to show you that you can easily incorporate HTML5 validation attributes in SharePoint 2013 pages!!

In HTML5, you can add an attribute called required to any control, which tells the browser that this control is a required control.


<%@ Register TagPrefix="spuc" Namespace="Microsoft.SharePoint.WebControls"
             Assembly="Microsoft.SharePoint, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %>

<spuc:InputFormTextBox ID="txtName" runat="server" class="ms-input"
      Title="Full Name" TextMode="SingleLine" Columns="40" required />
Adding a required attribute to your markup control will flag this control as a required control in your SharePoint page.

You can apply any other HTML5 validation attribute and it will render correctly in any SharePoint Page with no additional setup.

Here is a cool blog about how to apply HTML5 validation types into input control:
http://www.the-art-of-web.com/html/html5-form-validation/



Enjoy!

--ME

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