OWC -Office Web Component v11.0 Print Functionality

santosh poojari

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20 May 2008CPOL

This article describes, how to achieve print functionality for spreadsheet OWC Component.

Download OWC_PRINT_DEMO - 4.38 KB

Introduction

During development of an application we came across the situation where we need to print the content of OWC spreadsheet.So after doing some search and research we were successful in getting the solution for above problem. The code given below is self explanatory.The only disadvantage of this solution is that it render and save the content into html file. One can get rid of this mechanism by deleting this file after the print operation is completed.

Important Namespace

using Microsoft.Office.Interop.Owc11;
using System.IO;

Using the code

There are two event :

1.Call 'Save' event to store the XMLData of spreadsheet into hidden variable using javascript

2.Call print event from code behind to print the OWC Spreadsheet content.

Step1:Javascript-Save Event Function

JavaScript

function btnSave_Click()
 {
    var spreadsheet = document.getElementById("sp");
    document.getElementById('<%= hdnXML.ClientID %>').value=spreadsheet.XMLData;
    return false;
 }

Step2 :ASPX

Note include validateRequest=false in the page directive of aspx page.

XML

<body>
    <form id="form1" runat="server">
    <div>
    <h1>OWC Print Functionality </h1>
    <hr width=1px />
    <object classid="clsid:0002E559-0000-0000-C000-000000000046" id="sp" width="100%"
                    height="80%"><param name="XMLData" value="<?xml version='1.0'?>
        <?mso-application progid='Excel.Sheet'?>
        <Workbook xmlns='urn:schemas-microsoft-com:office:spreadsheet'
         xmlns:o='urn:schemas-microsoft-com:office:office'
         xmlns:x='urn:schemas-microsoft-com:office:excel'
         xmlns:ss='urn:schemas-microsoft-com:office:spreadsheet'
         xmlns:html='http://www.w3.org/TR/REC-html40'>
         <DocumentProperties xmlns='urn:schemas-microsoft-com:office:office'>
          <Author></Author>
          <LastAuthor></LastAuthor>
          <Created></Created>
          <Company></Company>
          <Version></Version>
         </DocumentProperties>
         <ExcelWorkbook xmlns='urn:schemas-microsoft-com:office:excel'>
          <WindowHeight>8955</WindowHeight>
          <WindowWidth>15195</WindowWidth>
          <WindowTopX>120</WindowTopX>
          <WindowTopY>60</WindowTopY>
          <ProtectStructure>False</ProtectStructure>
          <ProtectWindows>False</ProtectWindows>
         </ExcelWorkbook>
         <Styles>
          <Style ss:ID='Default' 
          ss:Name='Normal'>
           <Alignment ss:Vertical='Bottom'/>
           <Borders/>
           <Font/>
           <Interior/>
           <NumberFormat/>
           <Protection/>
          </Style>
         </Styles>
         <Worksheet ss:Name='Sheet1'>
          <WorksheetOptions xmlns='urn:schemas-microsoft-com:office:excel'>
           <Selected/>
           <ProtectObjects>False</ProtectObjects>
           <ProtectScenarios>False</ProtectScenarios>
          </WorksheetOptions>
         </Worksheet>
          
        </Workbook>"/></object>
          <asp:Button ID="btnPrint" OnClick="btnPrint_Click" runat="server" Text="Print" /> 

          <asp:Button ID="btnsave" OnClientClick="javascript: return btnSave_Click();" runat="server" Text="Save" /> 
    </div>
    <input type=hidden runat="server" id="hdnXML" />
    </form>
    
</body>

Step3:Codebehind-Print Event Function

protected void btnPrint_Click(object sender, EventArgs e)
    {
        try
        {
            //Export and save the OWC in HTM format.
            SpreadsheetClass spreadSheetClass = new SpreadsheetClass();
            spreadSheetClass.XMLData = hdnXML.Value;
            spreadSheetClass.Export(Server.MapPath("OWCXML.htm"), 
 Microsoft.Office.Interop.Owc11.SheetExportActionEnum.ssExportActionNone,
 SheetExportFormat.ssExportHTML);

            //Inject Print function into HTM file 
            StreamWriter streamWriter;
            streamWriter = System.IO.File.AppendText(Server.MapPath("OWCXML.htm"));
            streamWriter.WriteLine
("<html><body onload='window.print()'><table><tr><td></td></tr></table></body></html>");
            streamWriter.Flush();
            streamWriter.Close();

            //Call Javascript to popup 'OWCXML.htm'
            ClientScript.RegisterClientScriptBlock
(this.GetType(), "Key1", "<script>window.showModalDialog('OWCXML.htm','popup'); </script>");
        }
        catch (Exception ex)
        {
            throw ex;
        }
    }

Reference

For more detail on OWC refer article by Gautam Sharma: Office Web Component v11.0 Spreadsheet and AJAX Interoperatibility Part1

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Written By

santosh poojari

Technical Lead

Australia

Whatsup-->Exploring--> MVC/HTML5/Javascript & Virtualization.......!
www.santoshpoojari.blogspot.com

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