using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Text;

namespace bookstore
{
 /// <summary>
 /// myPrint 的摘要说明。
 /// </summary>
 public class myPrint
 {
  public myPrint()
  {
  
  }

  /// <summary>
  /// 拼出要打印的表
  /// </summary>
  /// <param name="ds">DATASET</param>
  /// <param name="dg">DATAGRID</param>
  /// <returns></returns>
  public string DGPrint(DataSet ds,DataGrid dg)
  {
   //*****************************************************************************************//

   DataTable myDataTable=new DataTable();
   myDataTable=ds.Tables[0];

   int myRow=myDataTable.Rows.Count;
   int myCol=dg.Columns.Count;

   StringBuilder sb=new StringBuilder(); 
    
 
   string colHeaders="<html><body>"+
    "<object ID='WebBrowser' WIDTH=0 HEIGHT=0 CLASSID='CLSID:8856F961-340A-11D0-A96B-00C04FD705A2'VIEWASTEXT></object>"
    +"<table><tr>"; 

   for(int i=0;i<myCol;i++)
   {    
    colHeaders +="<td>"+ dg.Columns[i].HeaderText.ToString()+"</td>";
   }
   colHeaders += "</tr>";

   sb.Append(colHeaders);

   for(int i=0;i<myRow;i++)
   {      
    sb.Append("<tr>");
    for(int j=0;j<myCol;j++)
    {
     sb.Append("<td>");
     sb.Append(myDataTable.Rows[i][j].ToString().Trim());
     sb.Append("</td>");
    }
    sb.Append("</tr>");  
   }

   sb.Append("</table></body></html>");
   colHeaders=sb.ToString();              

   colHeaders+="<scrip languge='javascript'>WebBrowser.ExecWB(7,1); window.opener=null;window.close();</script>" ;

   return(colHeaders);

   //*****************************************************************************************//
  
  }


  /// <summary>
  ///  拼出要打印的表
  /// </summary>
  /// <param name="dg">datagrid</param>
  /// <returns></returns>
  public string DGPrint(DataGrid dg)
  {
   int myRow=dg.Items.Count;  
   int myCol=dg.Columns.Count;

   StringBuilder sb=new StringBuilder();          
 
   string colHeaders="<html> body>"+
    "<object ID='WebBrowser' WIDTH=0 HEIGHT=0 CLASSID='CLSID:8856F961-340A-11D0-A96B-00C04FD705A2'VIEWASTEXT></object>"
    +"<table><tr>"; 

   for(int i=0;i<myCol;i++)
   {
    colHeaders +="<td>"+ dg.Columns[i].HeaderText.ToString()+"</td>";
   }
   colHeaders += "</tr>";

   sb.Append(colHeaders);

   for(int i=0;i<myRow;i++)
   {      
    sb.Append("<tr>");
    for(int j=0;j<myCol;j++)
    {
     sb.Append("<td>");
     sb.Append(dg.Items[i].Cells[j].Text.Trim());
     sb.Append("</td>");
    }
    sb.Append("</tr>");  
   }

   sb.Append("</table></body></html>");
   colHeaders=sb.ToString();              

   colHeaders+="<script languge='javascript'>WebBrowser.ExecWB(7,1); window.opener=null;window.close();</script>" ;

   return(colHeaders);
  }

 }
}