private void addPackageButton_Click(object sender, EventArgs e)
{
if (true) //replace true with data validation
{
//Create new Package with data from texctboxes
Package newPackage = new Package
{
PkgName = pkgNameTextBox.Text,
PkgStartDate = Convert.ToDateTime(pkgStartDateDateTimePicker.Text),
PkgEndDate = Convert.ToDateTime(pkgEndDateDateTimePicker.Text),
PkgBasePrice = Convert.ToDecimal(pkgBasePriceTextBox.Text),
PkgAgencyCommission = Convert.ToDecimal(pkgAgencyCommissionTextBox.Text),
PkgDesc = pkgDescTextBox.Text
};
//used dbContext from the main form to insert new product
mainForm.dbContext.Packages.InsertOnSubmit(newPackage);
mainForm.dbContext.SubmitChanges();
using (TravelExpertsLINQDataContext dbContext = new TravelExpertsLINQDataContext())
{
int i = 0;
foreach (int item in prdList)
{
//Adds a new Product_Supplier object in the Product_Supplier Table
Products_Supplier newProdSuppliers = new Products_Supplier();
newProdSuppliers.ProductId = prdList[i];
newProdSuppliers.SupplierId = suplList[i];
mainForm.dbContext.Products_Suppliers.InsertOnSubmit(newProdSuppliers);
mainForm.dbContext.SubmitChanges();
//Gets the Product Supplier Id that was just created after the Insertion
prodSuplList.Add(newProdSuppliers.ProductSupplierId);
//Adds a new Product_Supplier object in the Product_Supplier Table
Packages_Products_Supplier newPkgProdSupplier = new Packages_Products_Supplier();
newPkgProdSupplier.PackageId = newPackage.PackageId;
newPkgProdSupplier.ProductSupplierId = prodSuplList[i];
mainForm.dbContext.Packages_Products_Suppliers.InsertOnSubmit(newPkgProdSupplier);
mainForm.dbContext.SubmitChanges();
i++;
}
}
DialogResult = DialogResult.OK;
//Refresh the Grid View
}
}
//Method to add / Edit supplier or product based on the mode
private void addSuppLierButton_Click(object sender, EventArgs e)
{
if (supEditMode)
{
using (TravelExpertsLINQDataContext dbContext = new TravelExpertsLINQDataContext())
{
Supplier supEdit = (from sup in dbContext.Suppliers
where (sup.SupName == supToEdit)
select sup).SingleOrDefault();
string suppName = newSuppTextBox.Text;
if (suppName != "" && suppName != supEdit.SupName)
{
supEdit.SupName = newSuppTextBox.Text;
}
else
{
MessageBox.Show("Supplier name cannot be empty and needs to be updated for edit");
return;
}
try
{
dbContext.SubmitChanges();
MessageBox.Show("Edited supplier saved to the List of of Suppliers");
}
catch (Exception err)
{
MessageBox.Show(err.Message);
}
}
}
else if (supAddMode)
{
using (TravelExpertsLINQDataContext dbContext = new TravelExpertsLINQDataContext())
{
Supplier supp = new Supplier();
string suppID = newSuppIDTextBox.Text;
string suppName = newSuppTextBox.Text;
//Attempt to validate
if (suppID != "" && suppName != "")
{
int suppIDValue = Convert.ToInt32(newSuppIDTextBox.Text);
supp.SupplierId = suppIDValue;
supp.SupName = suppName;
}
else
{
MessageBox.Show("You need to enter a Supplier Name and ID");
return;
}
dbContext.Suppliers.InsertOnSubmit(supp);
try
{
dbContext.SubmitChanges();
MessageBox.Show("Supplier Succesfuly Added to the List of of Suppliers");
}
catch (Exception err)
{
MessageBox.Show(err.Message);
return;
}
//Altering the Product_Supplier Database
Products_Supplier prodSup = new Products_Supplier();
String prodSupID = newSuppIDTextBox.Text;
int prodSuppIDValue = Convert.ToInt32(newSuppIDTextBox.Text);
//Attempt to validate
if (prodSupID != "")
{
prodSup.SupplierId = supp.SupplierId;
prodSup.ProductId = prodValue;
}
else
{
MessageBox.Show("You need to enter a valid Product Id");
return;
}
dbContext.Products_Suppliers.InsertOnSubmit(prodSup);
try
{
dbContext.SubmitChanges();
MessageBox.Show("Succesfuly updated the Product Suppliers Table");
}
catch (Exception err)
{
MessageBox.Show(err.Message);
}
}
}
else if (prodEditMode)
{
using (TravelExpertsLINQDataContext dbContext = new TravelExpertsLINQDataContext())
{
Product prodEdit = (from prod in dbContext.Products
where (prod.ProdName == prodToEdit)
select prod).SingleOrDefault();
string prodEditName = newSuppTextBox.Text;
if (prodEditName != "" && prodEditName != prodEdit.ProdName)
{
prodEdit.ProdName = prodEditName;
}
else
{
MessageBox.Show("Product name cannot be empty and needs to be updated for edit");
return;
}
try
{
dbContext.SubmitChanges();
MessageBox.Show("Product Succesfuly Edited");
}
catch (Exception err)
{
MessageBox.Show(err.Message);
return;
}
}
}
else if (prodAddMode)
{
using (TravelExpertsLINQDataContext dbContext = new TravelExpertsLINQDataContext())
{
Product prod = new Product();
string prodName = newSuppTextBox.Text;
//Attempt to validate
if (prodName != "")
{
prod.ProdName = prodName;
}
else
{
MessageBox.Show("You need to enter a valid Product Name");
return;
}
dbContext.Products.InsertOnSubmit(prod);
try
{
dbContext.SubmitChanges();
MessageBox.Show("Product Succesfuly Added to the List of of Products");
}
catch (Exception err)
{
MessageBox.Show(err.Message);
}
}
}
}
private void detach_Products_Suppliers(Products_Supplier entity)
{
this.SendPropertyChanging();
entity.Supplier = null;
}
private void attach_Products_Suppliers(Products_Supplier entity)
{
this.SendPropertyChanging();
entity.Product = this;
}
partial void DeleteProducts_Supplier(Products_Supplier instance);
partial void UpdateProducts_Supplier(Products_Supplier instance);
partial void InsertProducts_Supplier(Products_Supplier instance);
