void Update()
{
//create an instance of the manufacturer log
Class_Library.clsManufacturerCollection ManufacturerLog = new Class_Library.clsManufacturerCollection();
//validate the data on the web form
String Error = ManufacturerLog.ThisManufacturer.Valid(txtCarModel.Text, txtChairMan.Text, txtEmail.Text, txtYearMade.Text);
// if the data us ok then add it to the object
if (Error == "")
{
ManufacturerLog.ThisManufacturer.Find(ManufacturerID);
//get the data entered by the user
ManufacturerLog.ThisManufacturer.CarModel = txtCarModel.Text;
ManufacturerLog.ThisManufacturer.ChairMan = txtChairMan.Text;
ManufacturerLog.ThisManufacturer.Email = txtEmail.Text;
ManufacturerLog.ThisManufacturer.PhoneNo = Convert.ToInt32(txtPhoneNo.Text);
ManufacturerLog.ThisManufacturer.YearMade = Convert.ToDateTime(txtYearMade.Text);
ManufacturerLog.ThisManufacturer.Available = ChkAvailable.Checked;
ManufacturerLog.ThisManufacturer.BatchProductionNo = Convert.ToInt32(ddlBatchProduction.SelectedValue);
//update the record
ManufacturerLog.Update();
// all done
Response.Redirect("DefaultManufacturer.aspx");
}
else
{
//report error
lblError.Text = "There were problems with the data entered " + Error;
}
}
void DisplayManufacturers()
{
// create an instance of collection
Class_Library.clsManufacturerCollection ManufacturerLog = new Class_Library.clsManufacturerCollection();
//set the data source to the list of addresses in the collection
lstManufacturers.DataSource = ManufacturerLog.ManufacturerList;
//set the name of the primary ey
lstManufacturers.DataValueField = "ManufacturerID";
//set the data filed to display
lstManufacturers.DataTextField = "CarModel";
//bind the data to the list
lstManufacturers.DataBind();
}
