ByteScout Barcode Suite - ASP.NET VB - Display xls as html with spreadsheet sdk - ByteScout

ByteScout Barcode Suite – ASP.NET VB – Display xls as html with spreadsheet sdk

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How to display xls as html with spreadsheet sdk in ASP.NET VB with ByteScout Barcode Suite

If you want to learn more then this tutorial will show how to display xls as html with spreadsheet sdk in ASP.NET VB

The coding instructions are formulated to help you to try-out the features without the requirement to write your own code. ByteScout Barcode Suite can display xls as html with spreadsheet sdk. It can be applied from ASP.NET VB. ByteScout Barcode Suite is the bundle that privides 3 SDK products to generate barcodes (Barcode SDK), read barcodes (Barcode Reaer SDK) and read and write spreadsheets (Spreadsheet SDK).

Want to save time? You will save a lot of time on writing and testing code as you may just take the ASP.NET VB code from ByteScout Barcode Suite for display xls as html with spreadsheet sdk below and use it in your application. Follow the instructions from scratch to work and copy the ASP.NET VB code. Enjoy writing a code with ready-to-use sample ASP.NET VB codes.

You can download free trial version of ByteScout Barcode Suite from our website to see and try many others source code samples for ASP.NET VB.

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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>

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Default.aspx.designer.vb
      
'------------------------------------------------------------------------------ ' <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> '------------------------------------------------------------------------------ ''' <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 form1 As Global.System.Web.UI.HtmlControls.HtmlForm ''' <summary> ''' Label1 control. ''' </summary> ''' <remarks> ''' Auto-generated field. ''' To modify move field declaration from designer file to code-behind file. ''' </remarks> Protected Label1 As Global.System.Web.UI.WebControls.Label ''' <summary> ''' Label2 control. ''' </summary> ''' <remarks> ''' Auto-generated field. ''' To modify move field declaration from designer file to code-behind file. ''' </remarks> Protected Label2 As Global.System.Web.UI.WebControls.Label ''' <summary> ''' DropDownList1 control. ''' </summary> ''' <remarks> ''' Auto-generated field. ''' To modify move field declaration from designer file to code-behind file. ''' </remarks> Protected DropDownList1 As Global.System.Web.UI.WebControls.DropDownList ''' <summary> ''' ButtonGo control. ''' </summary> ''' <remarks> ''' Auto-generated field. ''' To modify move field declaration from designer file to code-behind file. ''' </remarks> Protected ButtonGo As Global.System.Web.UI.WebControls.Button End Class

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Default.aspx.vb
      
Imports Bytescout.Spreadsheet Public Partial Class _Default Inherits 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 Private _document As Spreadsheet = Nothing Protected Sub Page_Load(sender As Object, e As EventArgs) Dim inputXlsFile As String = Server.MapPath("example.xls") ' Open spreadsheet _document = New Spreadsheet() _document.LoadFromFile(inputXlsFile) Label1.Text = """Example.xls"" loaded" For i As Integer = 0 To _document.Worksheets.Count - 1 DropDownList1.Items.Add(_document.Worksheets(i).Name) Next End Sub Protected Sub ButtonGo_Click(ByVal sender As Object, ByVal e As EventArgs) Dim sheet As String = DropDownList1.SelectedItem.Text If Not String.IsNullOrEmpty(sheet) Then ' 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() End If End Sub End Class

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Web.config
      
<?xml version="1.0"?> <configuration> <appSettings/> <connectionStrings/> <system.web> <!-- Set compilation debug="true" to insert debugging symbols into the compiled page. Because this affects performance, set this value to true only during development. --> <compilation debug="true" /> <!-- The <authentication> section enables configuration of the security authentication mode used by ASP.NET to identify an incoming user. --> <authentication mode="Windows" /> <!-- The <customErrors> section enables configuration of what to do if/when an unhandled error occurs during the execution of a request. Specifically, it enables developers to configure html error pages to be displayed in place of a error stack trace. <customErrors mode="RemoteOnly" defaultRedirect="GenericErrorPage.htm"> <error statusCode="403" redirect="NoAccess.htm" /> <error statusCode="404" redirect="FileNotFound.htm" /> </customErrors> --> </system.web> </configuration>

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