Tag: validation

This blog post intends to provide information on the RadAsyncUpload ChunkUpload functionality as well as some techniques for file type and size validation using the standard ASP.NET FileUpload control or custom JavaScript code. Here you may find very useful information about the different modules used by Telerik ASP.NET AJAX RadAsyncUpload for validating and uploading files.

As you already know we have introduced new rendering model for RadInput in Q3 2011. It was later set as default mode in Q1 2012. The initial idea behind this change was to remove 2 of the input elements from the output HTML of the control and use a span that to overlay the visible one in order to show the formatted value. With this approach we really have fewer elements on the page and in the same time we could show, validate and submit different values. We also removed the table in order to provide better styling potential and boost...