Excel column width

Http://blog.csdn.net/ljl_xyf/article/details/6082534

 

Using system;
Using system. Data;
Using system. configuration;
Using system. Web;
Using system. Web. Security;
Using system. Web. UI;
Using system. Web. UI. webcontrols;
Using system. Web. UI. webcontrols. webparts;
Using system. Web. UI. htmlcontrols;
Using Microsoft. Office. InterOP. Excel;
Using system. collections;
Using system. diagnostics;
/// <Summary>
/// Summary description for excelrw
/// </Summary>
Public static class excelrw
{

Public static void excelsave (hashtable HT)
{
Application Excel = new application (); // reference an Excel Object
Workbooks obooks;
Workbook obook;
Sheets osheets;
Worksheet osheet;
Range ocells;
String sfile = HT ["excelname"] as string;
// Excel. Save ("ddd.xls ");
Arraylist alsheet = HT ["sheetnamelist"] As arraylist;
Workbook WB = excel. workbooks. Add (true); // reference an Excel Workbook
Excel. Visible = false; // visualize Excel
Obooks = excel. workbooks;
Obook = obooks. get_item (1 );
Osheets = obook. worksheets;
Osheet = (worksheet) osheets. get_item (osheets. Count );
Foreach (hashtable htonesheel in alsheet)
{

Osheet = (worksheet) osheets. get_item (osheets. Count );
Arraylist colnamelist = htonesheel ["colname"] As arraylist;
// Name the sheet
Osheet. Name = htonesheel ["sheetname"] as string;
System. Data. datatable dtable = htonesheel ["datarows"] As system. Data. datatable;
Range column = (range) osheet. cells [1, 1]). entirecolumn;
Column. columnwidth = 10;
Int irow = 1;
Foreach (datarow DR in dtable. Rows)
{
Int ICEL = 1;
For (INT icol = 0; icol <colnamelist. Count; icol ++)
{
Osheet. cells [irow, ICEL ++] = convert. tostring (Dr [colnamelist [icol]. tostring ()]);

}
Irow ++;
}
Osheets. Add (type. Missing, osheets [osheets. Count], 1, type. Missing );
// Set the first sheet to be inactive.
// (Worksheet) osheets. get_item (1). Activate ();
Osheet = (worksheet) osheets. get_item (1 );
}
String strfilepathandname = httpcontext. Current. server. mappath (".") + "/EXCEL/" + sfile;
If (system. Io. file. exists (strfilepathandname ))
{
System. Io. file. Delete (strfilepathandname );
}
// Excel. workbooks. get_item (1). worksheets. Select (Excel. workbooks. get_item (1). worksheets [1]);
Osheet. saveas (strfilepathandname, Microsoft. office. interOP. excel. xlfileformat. xltemplate, type. missing, type. missing, type. missing, type. missing, Microsoft. office. interOP. excel. xlsaveasaccessmode. xlnochange, type. missing, type. missing, type. missing );
Obook. Close (false, type. Missing, type. Missing );
// Exit Excel and release the called com Resource
Excel. Quit ();
GC. Collect ();
// Excel. Save ("ddd.xls ");
Killprocess ("Excel ");
}

Public static void out2excel (string stablename, string URL)
{
Microsoft. Office. InterOP. Excel. Application oexcel = new Microsoft. Office. InterOP. Excel. Application ();
Workbooks obooks;
Workbook obook;
Sheets osheets;
Worksheet osheet;
Range ocells;
String sfile = "", stemplate = "";
//
System. Data. datatable dt = NULL; // tableout (stablename). Tables [0];
Sfile = URL + "myexcel.xls ";
Stemplate = URL + "mytemplate.xls ";
//
Oexcel. Visible = false;
Oexcel. displayalerts = false;
// Define a new workbook
Obooks = oexcel. workbooks;
Obooks. open (stemplate, type. missing, type. missing, type. missing, type. missing, type. missing, type. missing, type. missing, type. missing, type. missing, type. missing, type. missing, type. missing, type. missing, type. missing );
Obook = obooks. get_item (1 );
Osheets = obook. worksheets;
Osheet = (worksheet) osheets. get_item (1 );
// Name the sheet
Osheet. Name = "sheet1 ";
// (Worksheet) osheets. Add (type. Missing, type. Missing );
Ocells = osheet. cells;
// Call the dumpdata process to import the data to excel
// Dumpdata (DT, ocells );
// Save
Osheet. saveas (sfile, Microsoft. office. interOP. excel. xlfileformat. xltemplate, type. missing, type. missing, type. missing, type. missing, Microsoft. office. interOP. excel. xlsaveasaccessmode. xlnochange, type. missing, type. missing, type. missing );
Obook. Close (false, type. Missing, type. Missing );
// Exit Excel and release the called com Resource
Oexcel. Quit ();
GC. Collect ();
Killprocess ("Excel ");
}
Private Static void killprocess (string processname)
{
System. Diagnostics. Process myproc = new system. Diagnostics. Process ();
// Obtain all opened Processes
Try
{
Foreach (process thisproc in process. getprocessesbyname (processname ))
{
If (! Thisproc. closemainwindow ())
{
Thisproc. Kill ();
}
}
}
Catch (exception exc)
{
Throw new exception ("", exc );
}
}
}