Create an ERP Application with VB Net and SQL Server: 2025

Design the main ERP UI with DevExpress or built-in controls, featuring a ribbon, setup and sales sections, and icons for company, vendors, customers, invoices, stock, and reports.

Add tab functionality by using a document manager to host forms as tabs, create or focus forms as needed, and prevent reopening when already open, via a ribbon interface.

Open and close the connection, execute a sql command as a scalar query, handle null by returning an empty string, and assign the result to the user id text.

Create a company information setup form in a VB.NET and SQL Server ERP app, handling name, address, email, phone, logo, and save or update operations.

Develop a purchase invoices list form in vb.net, binding a grid to a dataset with transaction id, vendor, net amount, remaining, and date, using a joined sql query.

Learn how to adjust stock when updating a purchase invoice in a VB.NET SQL Server ERP app, using old vs new quantity, quantity one, and a loop-driven stock update.

Learn how updating purchase invoices adjusts stock quantities, handles increases and decreases, tests results, and revalidates related tables by deleting and reinserting records, with a reverse approach for sales invoices.

Complete the purchase invoice by selecting items from the list and adding new products, noting that duplicate entries may remove items or trigger errors; then generate reports for the invoice.

Develop and integrate sales reports in a vb net and sql server erp app, including detailed and summary sales invoices and returns, with customer-based filters and report viewers.

Learn how customer debit and credit entries are stored in the database, with debits saved as customer credit and credits saved as customer debit, illustrating key accounting rules.

Create a cash entry report in vb net by querying trends.cash_book, joining vendor and customer data with left outer joins, and including date, username, cash in, cash out, and remarks.

Build a VB.NET and SQL Server ERP feature that flags low stock items when available quantity is below alarm quantity, listing item id, name, barcode, alarm quantity, and available quantity.