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I used code below open a PDF file but got a error said The specified executable is not a valid application for this OS platform But, if I open non-security folder as Process.Start(FILE_NAME) will be no problem. How to fix it? Dim FILE_NAME As String = "\\MYSERVER\ORDER\N1234.PDF"...

I use visual studio to develop web app. Except for VS, what free JS editor is the best to learn JS with intelligence feature? (will display building functions, property and usage)

I use visual studio to develop web app. Except for VS, what free JS editor is the best to learn JS with intelligence feature? (will display building functions, property and usage)

I use fileupload as below. How to complete to view pdf file when clicking btnPreview? <table> <tr> <td class="style3"> <asp:Label ID="Label1" runat="server" Text="Photo upload" /> </td> <td class="style4">...

I need to create a project to upload pdf file to file server. Before uploading, I want to add a button to preview it. Is there any way to preview it (without adobe reader) or convert pdf to image file and then to view it?

In one mdb file, I linked a server manually long time ago for about 80 tables. Now, server was change to one new server from 2008 to 2012 and server name was changed as well. How to keep all linked tables but change to new server's name?

I my asp.net page, I need to add about 200 controls including check boxes, text boxes, drop down lists... What position to use (absolute or relative) for a controls so that it is easier for me to move to any position? Some people said that using abolute position is not good practice, is it...