Open file in browser window

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Hi,

I have write code below in silverlight page,its run successfully.

string filepath="http://ServerName/XYZ_FolderName/ABC_FolderName/" + "abc.pdf";

System.Windows.Browser.HtmlPage.Window.Navigate(new Uri(filepath), "_blank", "toolbar=no,location=no,status=no,menubar=no,resizable=yes");

But if i have given filepath as a bellow, which are stored in local disc,(not on server like above)

filepath="E:/myfile.pdf"

its showing an error-InvalidOperationException is Denied,Access is denied.

Note: I have full rights of my all drives.

Posted 17-Oct-11 21:47pm

dev22

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Mark Salsbery · Answer 1 · 2011-10-18T15:50:00

Solution 2

In Silverlight you can only access local files through a user initiated action (event) using the OpenFileDialog class[^].

Posted 18-Oct-11 15:50pm

Mark Salsbery

Comments

dev22 19-Oct-11 2:39am

Hi Mark,

When i am using below code in silverlight .xaml.cs page , its showing an exception on fd.ShowDialog(); line -> SecurityException was unhandled by used code.
Dialogs must be user-initialsed

OpenFileDialog fd = new OpenFileDialog();
fd.Filter = "Text Files (.txt)|*.txt|All Files (*.*)|*.*";
fd.FilterIndex = 1;
fd.Multiselect = true;
bool? userClickedOK = fd.ShowDialog();
if (userClickedOK == true)
MessageBox.Show("in OpenFileDialog box");
so i am not getting, exactly whats the problem.

Mark Salsbery 19-Oct-11 11:05am

Yes the OpenFileDialog needs to be user initiated as mentioned by me and in the docs ("For security purposes Silverlight file and print dialogs must be user-initiated. In addition, there is a limit on the time allowed between when the user initiates the dialog and when the dialog is shown. If the time limit between these actions is exceeded, an exception will occur."). User initiated would be in response to a button Click event for example.

NewPast · Answer 2 · 2011-10-17T22:26:00

Solution 1

you should only use path under your home dir in the server and it is better to use relative path

Posted 17-Oct-11 22:26pm

NewPast