protected void RadGrid1_NeedDataSource(object sender, Telerik.Web.UI.GridNeedDataSourceEventArgs e)
{
Contractors contractors = new Contractors();
//The collection that holds the data.
List<Customer> customers = contractors.GetAllCustomers();
//Set the maximum amount of items the Grid will display.
RadGrid1.VirtualItemCount = customers.Count;
//Set the datasource to the Grid instance.
RadGrid1.DataSource = customers.Skip(RadGrid1.PageSize * RadGrid1.CurrentPageIndex).Take(RadGrid1.PageSize);
}
protected void RadGrid1_DeleteCommand(object sender, Telerik.Web.UI.GridCommandEventArgs e)
{
GridDataItem item = (GridDataItem)e.Item;
//Get the primary key value using the DataKeyValue.
string customerID = item.OwnerTableView.DataKeyValues[item.ItemIndex][RadGrid1.MasterTableView.DataKeyNames[0]].ToString();
Contractors contractors = new Contractors();
//Query the model for the element that should be deleted.
Customer customerToDelete = (from customer in contractors.GetAllCustomers()
where customer.CustomerID == customerID
select customer).FirstOrDefault();
//Delete the element.
contractors.DeleteCustomer(customerToDelete);
}
protected void RadGrid1_InsertCommand(object sender, Telerik.Web.UI.GridCommandEventArgs e)
{
GridEditFormItem item = (GridEditFormItem)e.Item;
Contractors contractors = new Contractors();
//Create the empty element that should be inserted.
Customer customerToAdd = new Customer();
int customerID;
int.TryParse(contractors.GetAllCustomers().Last().CustomerID, out customerID);
//Increment the PK field.
customerToAdd.CustomerID = (++customerID).ToString();
//Apply the vlaues from the editor controls.
item.UpdateValues(customerToAdd);
//Add the element.
contractors.AddCustomer(customerToAdd);
}
protected void RadGrid1_UpdateCommand(object sender, Telerik.Web.UI.GridCommandEventArgs e)
{
GridEditFormItem item = (GridEditFormItem)e.Item;
//The collection that should be traversed.
Contractors contractors = new Contractors();
List<Customer> customers = contractors.GetAllCustomers();
//Get the PK of the element that should be updated.
string customerID = item.OwnerTableView.DataKeyValues[item.ItemIndex][RadGrid1.MasterTableView.DataKeyNames[0]].ToString();
//Query the model for the element that should be updated.
Customer customerToUpdate = (from customer in customers
where customer.CustomerID == customerID.ToString()
select customer).FirstOrDefault();
item.UpdateValues(customerToUpdate);
contractors.UpdateCustomer(customerToUpdate);
}