private BznsClass GetClassInstance() { if (ci == null) { ci = new BznsClass(); } return(ci); }
private void exportClassToolStripMenuItem_Click(object sender, EventArgs e) { var myClass = new BznsClass(); var FilePath = ConfigurationManager.AppSettings["ExportClassFilePath"]; var Message = "We're sorry, export class list error."; try { var dt = myClass.GetClassList(); ExcelHelper.ExcelHelper.DataTableToExcel(dt, string.Empty, FilePath); Message = string.Concat("Successfully,Please goto your location of ", FilePath, " to view."); } catch (Exception ex) { SysLog.Insert(new SysLogInfo(ex.Message.ToString(), SysLogType.ERROR, "Export Class FRM")); } finally { myClass = null; MessageBox.Show(Message); } }