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VB.NET: Can't load Excel (.xlsx) into WebBrowser on Windows Form

Posted on 2013-01-06
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2,090 Views
Last Modified: 2013-01-07
I have all the references specified for using Excel and WebBrowser (Internet Tools .COM, etc.) and also use the following imports:

Imports Microsoft.Office.Core
Imports Excel = Microsoft.Office.Interop.Excel

Public oDocument As Object

However, after placing a WebBrowser1 on a Windows Form, calling on a file that is e.g. myfile.xlsx, and using the code below, the Webbrowser1 simply shows an info icon, and nothing happens.   Is there something I am missing?   (Note that the msgbox in the NavigateComplete2 never fires).

Also, how can I only show the column and row headers along with the sheet data, thus killing all the Excel menu commands and tools?   (I only want the user to see the gray-colored row and column headers along with the sheet data).  


Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click
  
        Dim filename As String
    
        filename="c:\myfile.xlsx"

        Me.WebBrowser1.Navigate(filename)

End Sub

Private Sub WebBrowser1_NavigateComplete2(ByVal pDisp As Object, URL As Object)
        MsgBox("NavigateComplete Event")
        On Error Resume Next
        oDocument = pDisp.Document
End Sub

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Question by:lep1
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5 Comments
 
LVL 44

Expert Comment

by:AndyAinscow
ID: 38749951
I assume the real file does actually exist in the path you specify.  
Check it - there are numbers of questions here where it doesn't when a path has been assumed.

Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click
 
        Dim filename As String
   
        filename="c:\myfile.xlsx"
MsgBox(filename)

        Me.WebBrowser1.Navigate(filename)

End Sub


Does the xlsx file actually open in excel when you double click on it from windows explorer ?
0
 

Author Comment

by:lep1
ID: 38750900
Yes, a VBA type of workbook opens with the data. I noticed on a forum that in VB.NET 2010 and newer Office ( I am using 2010 ), that Navigate won't open an Excel.  Rather an activeX control needs to be made.
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LVL 44

Accepted Solution

by:
AndyAinscow earned 100 total points
ID: 38751062
Hmmm.
I've just made a small xlsx file in excel 2007 then typed the path into firefox.  It asks for how to open it (default of excel or browse for an app).  Looks like the forum is 'correct' in that a browser can't open the file natively.
0
 

Author Comment

by:lep1
ID: 38751156
Indeed, most forum posts regarding use of IE to open an Excel in webbrowser are 7-12 years old, and none address Office 2010 and Visual Studio >=2010
0
 

Author Comment

by:lep1
ID: 38751169
Interestingly the worst post claimed that not all your users would be able to open excel in webbrowser via ie due to variation in default sec settings. This is not good for excel and webbrowser
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