Is the training Qualiopi certified?

Yes, Learni is a Qualiopi-certified training organization. This certification guarantees the quality of our courses and enables funding through OPCO and other mechanisms.

How can I fund my training?

Our courses are eligible for OPCO funding. Learni supports you through the funding process. A personalized quote is available upon request.

What are the prerequisites for this training?

The prerequisites for the Maîtriser ClosedXML pour l’automatisation avancée de fichiers Excel training are: Bases du langage C# et connaissance de l’environnement .NET. A preliminary interview validates your eligibility.

Is the training available in person?

Yes, the Maîtriser ClosedXML pour l’automatisation avancée de fichiers Excel training is available in distanciel. The format can be adapted to your needs (inter, intra, custom).

Maîtriser ClosedXML pour l’automatisation avancé... | Learni

The story of Learni

Founded by passionate advocates of learning and innovation, Learni set out to make professional training accessible to everyone, everywhere in the world. Our team works in the largest cities such as Paris, Lyon, Marseille, and internationally, to support talents and organizations in their skills development.

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Methods, approaches, and teaching resources

The Maîtriser ClosedXML pour l’automatisation avancée de fichiers Excel training is delivered in-person or remotely (blended-learning, e-learning, virtual classroom, remote in-person). At Learni, a Qualiopi-certified training organization, each program is designed to maximize skills acquisition, regardless of the training mode chosen.

The trainer alternates between demonstrative, interrogative, and active methods (through practical exercises and/or real-world scenarios). This pedagogical approach ensures concrete and directly applicable learning in the workplace.

Teaching resources provided

To ensure the quality of the Maîtriser ClosedXML pour l’automatisation avancée de fichiers Excel training, Learni provides the following teaching resources:

Mac or PC computers, high-speed fiber internet, whiteboard or flipchart, video projector or interactive touchscreen (for remote sessions)
Training environments installed on workstations or accessible online
Course materials, practical exercises, and supplementary resources
Post-training access to materials and teaching resources

For in-house training at a location external to Learni, the client ensures and commits to having all necessary teaching materials (IT equipment, internet connection...) for the proper conduct of the training action in accordance with the prerequisites indicated in the communicated training program.

* contact us for remote feasibility** ratio varies depending on the training followed

Assessment methods

The assessment of skills acquired during the Maîtriser ClosedXML pour l’automatisation avancée de fichiers Excel training is carried out through:

During training: case studies, practical exercises, and professional scenarios
At the end of training: self-assessment questionnaire and skills evaluation by the trainer
After training: training completion certificate detailing acquired skills

Training accessibility

Learni is committed to the accessibility of its professional training programs. All our training programs are accessible to people with disabilities. Our teams are available to adapt teaching methods to your specific needs. Do not hesitate to contact us for any accommodation request.

Training objectives

Comprendre le fonctionnement de la bibliothèque ClosedXML

Créer, lire et modifier des fichiers Excel par code en C#

Automatiser la génération de rapports et tableaux de bord sous Excel

Appliquer des formats conditionnels et des styles avancés dans Excel via ClosedXML

Optimiser les performances lors du traitement de grands volumes de données

Training program

Module 1Premiers pas avec ClosedXML

Présentation générale de ClosedXML et de ses capacités. Installation et prise en main de la bibliothèque dans un projet C#. Parcours des principales classes et méthodes. Création d’un premier fichier Excel simple et sauvegarde. Lecture de fichiers existants et extraction des données. Exercices pratiques sur l’import/export de données.

Module 2Manipulation des données et automatisation des tâches

Ajout, modification et suppression de feuilles, lignes, colonnes et cellules. Insertion de listes et de tableaux. Automatisation de la génération de rapports. Introduction à la gestion des formules et des styles. Utilisation avancée des formats numériques, dates, textes. Gestion des erreurs courantes et bonnes pratiques. Ateliers pratiques : automatisation de rapports d’activité, création de templates dynamiques.

Module 3Mise en forme avancée et optimisation

Mise en forme conditionnelle, application de thèmes et styles personnalisés. Fusion et division de cellules, gestion des en-têtes et pieds de page. Intégration de graphiques via ClosedXML. Export PDF via Excel. Optimisation de la génération des fichiers volumineux. Élaboration d’un projet fil rouge complet : génération automatisée d’un tableau de bord de gestion. Conseils et suivi des meilleures pratiques en entreprise.