public void UpdateMethodOK()
{
//create an instance of the class
clsProductsCollection AllProducts = new clsProductsCollection();
//create the item of test data
clsProducts TestItem = new clsProducts();
//var to store the primary key
Int32 PrimaryKey = 0;
//set its properties
TestItem.ProductID = 12;
TestItem.ProductName = "game";
TestItem.Price = 12.00;
TestItem.Quantity = 4;
//set ThisProduct to test data
AllProducts.ThisProduct = TestItem;
//add the record
PrimaryKey = AllProducts.Add();
//set the primary key of the test data
TestItem.ProductID = PrimaryKey;
//set its new properties
TestItem.ProductID = 13;
TestItem.ProductName = "game 2";
TestItem.Price = 11.00;
TestItem.Quantity = 7;
//set the record based on the new test data
AllProducts.ThisProduct = TestItem;
//update the record
AllProducts.Update();
//find the record
AllProducts.ThisProduct.Find(PrimaryKey);
//test to see that the two values are the same
Assert.AreEqual(AllProducts.ThisProduct, TestItem);
}
void Update()
{
//create an instance of product book
clsProductsCollection ProductBook = new clsProductsCollection();
//validate the data on the web form
String Error = ProductBook.ThisProduct.Valid(txtProductID.Text, txtProductName.Text, txtPrice.Text, txtQuantity.Text);
//if the data is OK then add it to the object
if (Error == "")
{
//get the data entered by user
ProductBook.ThisProduct.ProductID = Convert.ToInt32(txtProductID.Text);
ProductBook.ThisProduct.ProductName = txtProductName.Text;
ProductBook.ThisProduct.Price = Convert.ToDouble(txtPrice.Text);
ProductBook.ThisProduct.Quantity = Convert.ToInt32(txtQuantity.Text);
//update the record
ProductBook.Update();
//redirec to default page
Response.Redirect("Default.aspx");
}
else
{
//report an error
lblError.Text = "There were problems with the data entered " + Error;
}
}