public string UpdateAppSettingFile() { string RetVal = string.Empty; PatchInstaller ObjInstallPatch = null; try { ObjInstallPatch = new PatchInstaller(); RetVal = ObjInstallPatch.UpdateAppSettingFile().ToString(); if (ObjInstallPatch.UpdateAppSettingFile()) { string LogMessage = PatchInstaller.ReadKeysForPatch("AddKeysToAppsetPassed").ToString(); XLSLogGenerator.WriteLogForPatchInstallation(LogMessage, PatchInstaller.ReadKeysForPatch("StatusPassed").ToString(),string.Empty); } else { string LogMessage = string.Format(PatchInstaller.ReadKeysForPatch("AddKeysToAppsetPassed").ToString()); XLSLogGenerator.WriteLogForPatchInstallation(LogMessage, PatchInstaller.ReadKeysForPatch("StatusPassed").ToString(),string.Empty); } } catch (Exception Ex) { string LogMessage = PatchInstaller.ReadKeysForPatch("AddKeysToAppsetFailed").ToString(); XLSLogGenerator.WriteLogForPatchInstallation(LogMessage, PatchInstaller.ReadKeysForPatch("StatusFail").ToString(),string.Empty); RetVal = string.Empty; Global.CreateExceptionString(Ex, null); } return RetVal; }