Vb.net Billing Software Source Code -
-- 1. Product table CREATE TABLE tbl_Product ( ProductID INT PRIMARY KEY IDENTITY(1,1), ProductCode NVARCHAR(50) UNIQUE, ProductName NVARCHAR(200), Unit NVARCHAR(20), SellingPrice DECIMAL(18,2), GST_Percent DECIMAL(5,2), StockQuantity DECIMAL(18,2) );
Private Sub LoadCustomers() Try Dim query As String = "SELECT CustomerID, CustomerName FROM Customers" DBConnection.OpenConnection() Dim adapter As New SqlDataAdapter(query, DBConnection.conn) Dim dt As New DataTable() adapter.Fill(dt) cmbCustomer.DataSource = dt cmbCustomer.DisplayMember = "CustomerName" cmbCustomer.ValueMember = "CustomerID" DBConnection.CloseConnection() Catch ex As Exception MessageBox.Show("Error loading customers: " & ex.Message) End Try End Sub vb.net billing software source code
' Print Column Headers e.Graphics.DrawString("Product", font, Brushes.Black, xPos, yPos) e.Graphics.DrawString("Qty", font, Brushes.Black, xPos + 150, yPos) e.Graphics.DrawString("Price", font, Brushes.Black, xPos + 250, yPos) e.Graphics.DrawString("Total", font, Brushes.Black, xPos + 350, yPos) yPos += 20 e.Graphics.DrawLine(Pens.Black, leftMargin, yPos, 500, yPos) yPos += 10 When a user creates a bill, the code
The source code for such a system generally focuses on several essential modules. First, the module tracks stock levels and product pricing. When a user creates a bill, the code must verify stock availability before finalizing the sale. Second, the Transaction Logic involves looping through a DataGridView or ListView to aggregate totals, apply discounts, and calculate net amounts. When a user creates a bill
