HTML5 Web Editor: Loading and Saving Documents
Web.TextControl provides LoadText and SaveText methods that accept file paths, FileStreams, and byte arrays for server-side document handling. LoadTextAsync defers loading until the HTML5 editor initializes fully. Server-side buttons must use an AJAX UpdatePanel to avoid full postbacks.
Documents can be easily loaded using ASP.NET code-behind code with the Web.TextControl.LoadText and Web.TextControl.SaveText methods that accept file names, FileStreams and memory variables such as byte and string arrays.
To load a document from a physical file, the following code is required:
TextControl1.LoadText(Server.MapPath("/documents/sample.docx"),
TXTextControl.Web.StreamType.WordprocessingML);In order to save a document, the SaveText method is used:
TextControl1.SaveText(Server.MapPath("/output/" + sFilename),
TXTextControl.Web.StreamType.WordprocessingML);Web.TextControl must be initialized completely in order to accept LoadText calls. Therefore, it exposes another method to load documents: Web.TextControl.LoadTextAsync. This method loads the text asynchronously when the HTML5 Web Editor is initialized and loaded completely.
In order to load a document in the Page_Load event of an ASPX Web Form, the following code is used:
TextControl1.LoadTextAsync(Server.MapPath("/documents/template.docx"),
TXTextControl.Web.StreamType.WordprocessingML);Web.TextControl is updated and synchronized with the server automatically using the Web Sockets protocol. In case, you want to use other server-side (runat="server") elements such as buttons on the same form, make sure that they are embedded in an AJAX UpdatePanel and doesn't post back the complete page. A typical body would look like this:
<body>
<form id="form1" runat="server">
<div>
<asp:ScriptManager ID="ScriptManager1" runat="server"></asp:ScriptManager>
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<asp:Button ID="Button1" runat="server" Text="Load Document" />
</ContentTemplate>
</asp:UpdatePanel>
<cc1:TextControl ID="TextControl1" runat="server" />
</div>
</form>
</body>More information and tutorials can be found in the documentation.
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