c# - Issues with creating Excel file and inserting data into sheet -


i'm trying create excel file , insert data excel file. creation of excel file doesnt fail, when try insert data sheet in excel file error:

the microsoft office access database engine not find object 'sheet1$'. make sure object exists , spell name , path name correctly.

this code:

private void exporttoexcel_click(object sender, eventargs e)         {              string excelpath = environment.getfolderpath(environment.specialfolder.desktop) + @"\trackitexportfile - " + datetime.today.toshortdatestring();             file.exists(excelpath);             microsoft.office.interop.excel.application excel = null;             microsoft.office.interop.excel._workbook workbook = null;             microsoft.office.interop.excel.sheets sheet = null;             microsoft.office.interop.excel._worksheet newsheet = null;              object misvalue = missing.value;              excel = new microsoft.office.interop.excel.application();             excel.visible = true;             workbook = (microsoft.office.interop.excel._workbook)(excel.workbooks.add(missing.value));              sheet = workbook.sheets microsoft.office.interop.excel.sheets;              newsheet = (microsoft.office.interop.excel.worksheet)sheet.add(sheet[1], type.missing, type.missing, type.missing);               workbook.saveas(excelpath, microsoft.office.interop.excel.xlfileformat.xlworkbookdefault,             misvalue, misvalue, misvalue, misvalue, microsoft.office.interop.excel.xlsaveasaccessmode.xlexclusive, misvalue, misvalue, misvalue, misvalue, misvalue);              workbook.close();             excel.quit();              releaseobject(workbook);             releaseobject(excel);             releaseobject(newsheet);             releaseobject(sheet);              insertdata(excelpath);         }          public void insertdata(string filename)         {             system.data.oledb.oledbconnection connection;             system.data.oledb.oledbcommand mycommand = new system.data.oledb.oledbcommand();             string sql = null;             connection = new system.data.oledb.oledbconnection("provider=microsoft.ace.oledb.12.0;data source=" + filename + ";extended properties=\"excel 12.0;readonly=false;hdr=yes;\"");             connection.open();             mycommand.connection = connection;             sql = "insert [sheet1$](a1) values ('" + ds.tables[0].columns[0] + "')";             mycommand.commandtext = sql;             mycommand.executenonquery();             connection.close();         }

am creating file wrong?


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