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print an asp.net page using javascripts window.print()

Posted on 2008-10-29
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Last Modified: 2011-10-03
Hi,

What code do I need to use with the window.print() bit on my asp.net page to print whats on that page?

i have this
 <asp:button ID="Button1" runat="server" text="Print" OnClientClick="window.print();return false"/>

Do i need to put some code in the head of my page or in the aspx.cs page?
Thanks
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Question by:CharlieDev
  • 5
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8 Comments
 
LVL 53

Accepted Solution

by:
Dhaest earned 2000 total points
ID: 22830071
you will have to use javascript to open the print dialog. web applications cannot send print commands directly to a local printer, this would be a huge security hole as someone could attack a companies printer's with massive print commands that would drive the printers to print tons of junk.

<input type="button" value="yourbutton" onclick="print()">

you need to have this javascript code on your page (placed in the head section of the html)

<script language="javascript">
       function print()
       {
              window.print();
       }
</script>

this will open a print dialog and when you submit it, the contents of the window will be sent to it(same thing as hitting print on the browser).

Source: http://www.experts-exchange.com/Programming/Languages/.NET/ASP.NET/Q_21495871.html
0
 

Author Comment

by:CharlieDev
ID: 22830201
Thanks but i get the error in a popup box of stack overflow at line 12

  <script type="text/javascript">
       function print()
       {
              window.print();
       }
</script>

line 12 being -  window.print();

I had to put script type="text/javascript"> as it complained with your code that i didnt have a type

Any ideas?

Thanks

0
 
LVL 53

Expert Comment

by:Dhaest
ID: 22830213
To add javascript to your page so that users can print the content from your site is very simple, you can use an image instead of text to be clicked on in order to print but the general idea of what you should be doing is below, together with an example.

<p><a href="#" onClick="javascript:window.print()">Print this page</a></p>

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Author Comment

by:CharlieDev
ID: 22830273
Still get the same error message
<head runat="server">
    <title>Untitled Page</title>
      <link href="../css/default.css" type="text/css" rel="stylesheet" />
      <script type="text/javascript">
       function print()
       {
              window.print();
       }
</script>
</head>
<body>
<div class="PrintContainerFixtures">
    <form id="form1" runat="server">
                                
                                    <div class="colu1">
                                        <h5><asp:Label ID="Monthfixtureslabel" runat="server" Text=""></asp:Label></h5>
                                       <a href="#" onClick="javascript:window.print()">Print this page</a>
                                    </div>
                   
                            
                                        <div class="PrintGrid">
                                            <asp:GridView ID="gvwDisplayFixtures" GridLines="Both" runat="server" AutoGenerateColumns="False" showheader="true"
                                                Border="1" CssClass="gridPrintDisplayFixtures">
                                                <Columns>
                                                    <asp:BoundField DataField="Date" ItemStyle-CssClass="printdateHeaderFix" HeaderText="Date" />
                                                    <asp:BoundField DataField="Day" ItemStyle-CssClass="printdayHeaderFix" HeaderText="Day" />
                                                    <asp:BoundField DataField="Event" ItemStyle-CssClass="printeventHeaderFix" HeaderText="Event"/>
                                                    <asp:BoundField DataField="Time" ItemStyle-CssClass="printtimeHeaderFix" HeaderText="Time"/>
                                                </Columns>
                                            </asp:GridView>
                                            <asp:Label ID="lblStatus" runat="server"></asp:Label>
                                        </div>
                                       </form>
                                    </div>
                             
                            
</body>
</html>

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0
 
LVL 53

Expert Comment

by:Dhaest
ID: 22830279
Based on what you've posted, I can tell you this much: A Stack Overflow is almost always caused by an infinite loop. It has nothing to do with JavaScript, printing, or C#.
0
 

Author Comment

by:CharlieDev
ID: 22830451
ok thanks for your help, i will post back on here when i find the problem
0
 

Author Comment

by:CharlieDev
ID: 22831056
Working code below, source- http://visualstudiomagazine.com/columns/article.aspx?editorialsid=1907
 <script language="JavaScript"><!--
function PrintContent() {
   parent.Content.focus();  
   // Required to support IE
   parent.Content.print();
}
//--></script>
</head>
<body>
<div class="PrintContainerFixtures">
    <form id="form1" runat="server">
                                
                                    <div class="colu1">
                                        <h5><asp:Label ID="Monthfixtureslabel" runat="server" Text=""></asp:Label></h5>

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0
 

Author Closing Comment

by:CharlieDev
ID: 31511106
Cheers :)
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