📄 productsdb.vb
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Imports System
Imports System.Data
Imports System.Data.SqlClient
Namespace IBuyAdventure
Public Class ProductsDB
Dim m_ConnectionString As String
Public Sub New(dsn As String)
m_ConnectionString = dsn
End Sub
Public Function GetProduct(productCode As String) As DataSet
Dim sqlConnection As New SqlConnection(m_ConnectionString)
Dim sqlAdapter1 As New SqlDataAdapter("SELECT * FROM Products WHERE ProductCode='" _
& productCode & "'", sqlConnection)
Dim products As New DataSet()
sqlAdapter1.Fill(products, "products")
Return Products
End Function
Public Function GetProducts(category As String) As DataSet
Dim sqlConnection As New SqlConnection(m_ConnectionString)
Dim sqlAdapter1 As New SqlDataAdapter("SELECT * FROM Products WHERE ProductType='" _
& category & "'", sqlConnection)
Dim products As New DataSet()
sqlAdapter1.Fill(products, "products")
Return Products
End Function
Public Function GetProductCategories() As DataSet
Dim sqlConnection As New SqlConnection(m_ConnectionString)
Dim sqlAdapter1 As New SqlDataAdapter("SELECT Distinct ProductType FROM Products", sqlConnection)
Dim products As New DataSet()
sqlAdapter1.Fill(products, "products")
Return Products
End Function
End Class
End Namespace
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