public static void Main()
{
northwindData = new NorthwindDataSet();
pendingOrdersData = new NorthwindDataSet();
appSettingsData = new AppSettingsDataSet();
orderData = new OrderApplicationDataClass();
mainPOForm = new MainForm();
mainPOForm.ShipViaListBox.SelectedIndex=0;
try
{
//appSettingsData.ReadXml(Application.CommonAppDataPath + "\\AppSettings.xml");
appSettingsData.ReadXml(".\\AppSettings.xml");
employeeID = (int)appSettingsData.AppSettings[0].EmployeeID;
empName = appSettingsData.AppSettings[0].EmployeeName;
soundOn = appSettingsData.AppSettings[0].SoundOn;
}
catch
{}
try
{
//pendingOrdersData.ReadXml(Application.CommonAppDataPath + "\\PendingOrders.xml");
pendingOrdersData.ReadXml(".\\PendingOrders.xml");
}
catch
{}
try
{
//northwindData.ReadXml(Application.CommonAppDataPath + "\\NorthwindData.xml");
northwindData.ReadXml(".\\NorthwindData.xml");
mainPOForm.BindControls();
mainPOForm.ViewSubmittedOrdersMenuItem.Enabled = true;
mainPOForm.NewOrderItemButton.Enabled = true;
}
catch
{
MessageBox.Show("The NorthwindData.xml file is missing or corrupt. Please connect to the database " +
"and rebuild this file using the Refresh Data option.", "Missing File", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
mainPOForm.UpdateStatusBar();
Application.Run(mainPOForm);
}
public void RefreshLocalData()
{
NorthwindDataSet tempDataSet = new NorthwindDataSet();
//if theMainModule.employeeID value is not set, call the ChooseEmployee method to
//allow the user to choose their name from a list
if (MainModule.employeeID == 0)
{
ChooseEmployee();
}
//try to open a connection
if (NorthwindConnection.State != ConnectionState.Open)
{
try
{
NorthwindConnection.Open();
}
catch (Exception Xcp)
{
MessageBox.Show("Failed to connect because:\n" + Xcp.ToString() +"\n\nTry a different server name.", "Get from central database", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
try
{
if (MainModule.employeeID > 0)
{
//fill the temporary dataset
CustomersDataAdapter.Fill(tempDataSet.Customers);
ProductsDataAdapter.Fill(tempDataSet.Products);
OrdersDataAdapter.SelectCommand.Parameters["@EmployeeID"].Value =MainModule.employeeID;
OrdersDataAdapter.Fill(tempDataSet.Orders);
OrderDetailsDataAdapter.SelectCommand.Parameters["@EmployeeID"].Value =MainModule.employeeID;
OrderDetailsDataAdapter.Fill(tempDataSet.OrderDetails);
NorthwindConnection.Close();
//merge the temporary dataset into the nothwindData dataset and persist it
//as NorthwindData.xml in the CommonAppDataPath
MainModule.northwindData.Merge(tempDataSet, false);
MainModule.northwindData.AcceptChanges();
//MainModule.northwindData.WriteXml(Application.CommonAppDataPath + "\\NorthwindData.xml");
MainModule.northwindData.WriteXml(".\\NorthwindData.xml");
}
else
{
return;
}
}
catch(Exception Xcp)
{
MessageBox.Show(Xcp.ToString(), "Title", MessageBoxButtons.OK);
}
MainModule.mainPOForm.NewOrderItemButton.Enabled = true;
}
public void RefreshLocalData()
{
//TODO 1: Create a local instance of the NorthwindDataSet and name it tempDataSet.
NorthwindDataSet tempDataSet = new NorthwindDataSet();
//if theMainModule.employeeID value is not set, call the ChooseEmployee method to
//allow the user to choose their name from a list
if (MainModule.employeeID == 0)
{
ChooseEmployee();
}
//try to open a connection
if (NorthwindConnection.State != ConnectionState.Open)
{
try
{
NorthwindConnection.Open();
}
catch (Exception Xcp)
{
MessageBox.Show("Failed to connect because:\n" + Xcp.ToString() +"\n\nTry a different server name.", "Get from central database", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
try
{
if (MainModule.employeeID > 0)
{
//fill the temporary dataset
CustomersDataAdapter.Fill(tempDataSet.Customers);
ProductsDataAdapter.Fill(tempDataSet.Products);
//TODO 2: Assign the @EmployeeID paramter for the OrdersDataAdapter Select Command to the global employee
OrdersDataAdapter.SelectCommand.Parameters["@employeeID"].Value = MainModule.employeeID;
OrderDetailsDataAdapter.SelectCommand.Parameters["@employeeID"].Value = MainModule.employeeID;
//TODO 3: Call the Fill method of OrdersDataAdapter
//to fill the Orders tables of the DataSet declared in TODO 1.
OrdersDataAdapter.Fill(tempDataSet);
OrderDetailsDataAdapter.Fill(tempDataSet);
NorthwindConnection.Close();
//merge the temporary dataset into the nothwindData dataset and persist it
//as NorthwindData.xml in the CommonAppDataPath
MainModule.northwindData.Merge(tempDataSet, false);
MainModule.northwindData.AcceptChanges();
//You can access this path by using Application.CommonAppDataPath.
//Concatenate the string returned by the CommonAppDataPath property with the name of the XML file, NorthwindData.XML
//MainModule.northwindData.WriteXml(Application.CommonAppDataPath + "\\NorthwindData.xml");
MainModule.northwindData.WriteXml(".\\NorthwindData.xml");
}
else
{
return;
}
}
catch(Exception Xcp)
{
MessageBox.Show(Xcp.ToString(), "Title", MessageBoxButtons.OK);
}
MainModule.mainPOForm.NewOrderItemButton.Enabled = true;
}
