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Display XLS as HTML - ASP.NET C#

Spreadsheet SDK sample in ASP.NET C# demonstrating ‘Display XLS as HTML’

Default.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="DisplayXlsAsHtml._Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:Label ID="Label1" runat="server" Width="311px"></asp:Label><br />
        <br />
        <asp:Label ID="Label2" runat="server" Text="Select worksheet to display: "></asp:Label>
        <asp:DropDownList ID="DropDownList1" runat="server"
            Width="233px">
        </asp:DropDownList>
        <asp:Button ID="ButtonGo" runat="server" Text="Go" Width="45px" OnClick="ButtonGo_Click" /></div>
    </form>
</body>
</html>

Default.aspx.cs
using System;
using Bytescout.Spreadsheet;

namespace DisplayXlsAsHtml
{
	public partial class _Default : System.Web.UI.Page
	{

		/*
		IF YOU SEE TEMPORARY FOLDER ACCESS ERRORS: 

		Temporary folder access is required for web application when you use ByteScout SDK in it.
		If you are getting errors related to the access to temporary folder like "Access to the path 'C:\Windows\TEMP\... is denied" then you need to add permission for this temporary folder to make ByteScout SDK working on that machine and IIS configuration because ByteScout SDK requires access to temp folder to cache some of its data for more efficient work.

		SOLUTION:

		If your IIS Application Pool has "Load User Profile" option enabled the IIS provides access to user's temp folder. Check user's temporary folder

		If you are running Web Application under an impersonated account or IIS_IUSRS group, IIS may redirect all requests into separate temp folder like "c:\temp\".

		In this case
		- check the User or User Group your web application is running under
		- then add permissions for this User or User Group to read and write into that temp folder (c:\temp or c:\windows\temp\ folder)
		- restart your web application and try again

		*/

		Spreadsheet _document = null;

		protected void Page_Load(object sender, EventArgs e)
		{
			String inputXlsFile = Server.MapPath("example.xls");

			// Open spreadsheet
			_document = new Spreadsheet();
			_document.LoadFromFile(inputXlsFile);

			Label1.Text = "\"Example.xls\" loaded";

			for (int i = 0; i < _document.Worksheets.Count ; i++)
			{
				DropDownList1.Items.Add(_document.Worksheets[i].Name);
			}
		}

		protected void ButtonGo_Click(object sender, EventArgs e)
		{
			String sheet = DropDownList1.SelectedItem.Text;

			if (!String.IsNullOrEmpty(sheet))
			{
				// Clear HTTP output
				Response.Clear();
				// Set the content type to HTML
				Response.ContentType = "text/HTML";
				// Save selected worksheet to output stream as HTML
				_document.Worksheets[sheet].SaveAsHTML(Response.OutputStream);

				Response.End();
			}
		}
	}
}

Default.aspx.designer.cs
��//------------------------------------------------------------------------------

// <auto-generated>

//     This code was generated by a tool.

//     Runtime Version:2.0.50727.4927

//

//     Changes to this file may cause incorrect behavior and will be lost if

//     the code is regenerated.

// </auto-generated>

//------------------------------------------------------------------------------



namespace DisplayXlsAsHtml {

    

    

    /// <summary>

    /// _Default class.

    /// </summary>

    /// <remarks>

    /// Auto-generated class.

    /// </remarks>

    public partial class _Default {

        

        /// <summary>

        /// form1 control.

        /// </summary>

        /// <remarks>

        /// Auto-generated field.

        /// To modify move field declaration from designer file to code-behind file.

        /// </remarks>

        protected global::System.Web.UI.HtmlControls.HtmlForm form1;

        

        /// <summary>

        /// Label1 control.

        /// </summary>

        /// <remarks>

        /// Auto-generated field.

        /// To modify move field declaration from designer file to code-behind file.

        /// </remarks>

        protected global::System.Web.UI.WebControls.Label Label1;

        

        /// <summary>

        /// Label2 control.

        /// </summary>

        /// <remarks>

        /// Auto-generated field.

        /// To modify move field declaration from designer file to code-behind file.

        /// </remarks>

        protected global::System.Web.UI.WebControls.Label Label2;

        

        /// <summary>

        /// DropDownList1 control.

        /// </summary>

        /// <remarks>

        /// Auto-generated field.

        /// To modify move field declaration from designer file to code-behind file.

        /// </remarks>

        protected global::System.Web.UI.WebControls.DropDownList DropDownList1;

        

        /// <summary>

        /// ButtonGo control.

        /// </summary>

        /// <remarks>

        /// Auto-generated field.

        /// To modify move field declaration from designer file to code-behind file.

        /// </remarks>

        protected global::System.Web.UI.WebControls.Button ButtonGo;

    }

}


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