Web.TextControl provides a code-behind API to load and save documents from and to the server. Additionally, local files can be loaded using drag and drop on the control workspace.

Client-side, the Javascript API also provides a method to load local files:

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This sample shows how to open a local document with the HTML Input element and how to pass this document as a Base64 encoded string to the loadDocument method.

On selecting a new document in the Input element, the document is loaded into a FileReader that asynchronously reads the contents of files. The method readAsDataURL converts the document to a Base64 encoded string automatically. Based on the file extension, the required StreamType is recognized and finally loaded into TX Text Control.

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Download the sample from GitHub and test it on your own.

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Download and Fork This Sample on GitHub

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Requirements for This Sample

  • Visual Studio 2012 or better
  • TX Text Control .NET Server for ASP.NET (trial sufficient)