datatable - Refresh Excel ListObject from a Commandline application -

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i'm trying update information of listobject hosted in workbook created excel addin (example code1) commandline application.

i've tried creating instance of excel , accessing @ listobjects getvstoobject returns null objects. think security problem, don't know how resolve it. (example code2).

i've tried serverdocuments don't have cacheddata, , it's not possible use @ application add-in level. suggestion?

thanks in advance.

code1 

using system;     using system.data; using excel = microsoft.office.interop.excel; using office = microsoft.office.core; using microsoft.office.tools.excel; using microsoft.office.tools.excel.extensions; namespace exceladdin2{ public partial class thisaddin{     private void thisaddin_startup(object sender, system.eventargs e){                     datatable thedatatable = getdatatable();         workbook workbook =  globals.thisaddin.application.activeworkbook.getvstoobject();                     worksheet worksheet = ((excel.worksheet)workbook.worksheets[1]).getvstoobject();                     excel.range range = worksheet.range[worksheet.cells[1, 1], worksheet.cells[1, 1]];         excel.listobject interoplist = worksheet.listobjects.add(microsoft.office.interop.excel.xllistobjectsourcetype.xlsrcrange, type.missing, type.missing, microsoft.office.interop.excel.xlyesnoguess.xlno,range);         listobject list = interoplist.getvstoobject();                                  list.name = "mylistobject";         list.datasource = thedatatable;                     workbook.savecopyas(@"c:\theexcel.xlsx");     }      private datatable getdatatable() {         /*datatable example, i'm using implementation of oledbcommand it*/         datatable table = new datatable("mytable");                                            datacolumn columnid = new datacolumn();         columnid.datatype = system.type.gettype("system.string");         columnid.columnname = "id";                     datacolumn columnname = new datacolumn();         columnname.datatype = system.type.gettype("system.string");         columnname.columnname = "name";         table.columns.add(columnid);         table.columns.add(columnname);         datarow row;         (int = 0; <= 2; i++){             row = table.newrow();             row["id"] = i;             row["name"] = "name " + i;             table.rows.add(row);         }         return table;                  }      ..etc..

code2 references: microsoft.office.interop.excel, microsoft.office.tools.common.v9.0, microsoft.office.tools.excel.v9.0, microsoft.office.tools.v9.0, microsoft.visualstudio.tools.applications.runtime.v9.0, system.windows.forms (it needs ¿?)

using system; using system.data; using excel = microsoft.office.interop.excel; using microsoft.office.tools.excel; using microsoft.office.tools.excel.extensions; using system.reflection; namespace consoleapplication1{  class program { static void main(string[] args) {  excel.application app = new excel.applicationclass();  excel.workbook excelworkbook = app.workbooks.open(@"c:\theexcel.xlsx",              type.missing, true, type.missing, type.missing,              type.missing, type.missing, type.missing, type.missing,              type.missing, type.missing, type.missing, type.missing,              type.missing, type.missing);  microsoft.office.tools.excel.worksheet worksheet = ((excel.worksheet)excelworkbook.worksheets[1]).getvstoobject();  foreach (listobject list in worksheet.listobjects) {   list.datasource = getnewdatatable();  }  app.quit(); } private static datatable getnewdatatable() {  datatable table = new datatable("mytable");  datacolumn columnid = new datacolumn();  columnid.datatype = system.type.gettype("system.string");  columnid.columnname = "id";  datacolumn columnname = new datacolumn();  columnname.datatype = system.type.gettype("system.string");  columnname.columnname = "name";  table.columns.add(columnid);  table.columns.add(columnname);  datarow row;  (int = 0; <= 2; i++)  {   row = table.newrow();   row["id"] = i;   row["name"] = "new name " + i;   table.rows.add(row);  }  return table;   }  } }


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