// method to read data from dataset
public void Read()
{
// create table adapters for each table in the dataset
ProjectTrackingDataSetTableAdapters.EmployeesTableAdapter taEmployees =
new ProjectTrackingDataSetTableAdapters.EmployeesTableAdapter();
ProjectTrackingDataSetTableAdapters.ProjectsTableAdapter taProjects =
new ProjectTrackingDataSetTableAdapters.ProjectsTableAdapter();
ProjectTrackingDataSetTableAdapters.StatusTableAdapter taStatus =
new ProjectTrackingDataSetTableAdapters.StatusTableAdapter();
ProjectTrackingDataSetTableAdapters.TasksTableAdapter taTasks =
new ProjectTrackingDataSetTableAdapters.TasksTableAdapter();
ProjectTrackingDataSetTableAdapters.WorkTableAdapter taWork =
new ProjectTrackingDataSetTableAdapters.WorkTableAdapter();
try
{
// load the data into the tables
taEmployees.Fill(myProjects.Employees);
taProjects.Fill(myProjects.Projects);
taStatus.Fill(myProjects.Status);
taTasks.Fill(myProjects.Tasks);
taWork.Fill(myProjects.Work);
}
catch (Exception ex)
{
SetReadyLabel("Error loading data from database");
MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
// method to save data to dataset
public void Save()
{
// create table adapters for each table in the dataset
ProjectTrackingDataSetTableAdapters.EmployeesTableAdapter taEmployees =
new ProjectTrackingDataSetTableAdapters.EmployeesTableAdapter();
ProjectTrackingDataSetTableAdapters.ProjectsTableAdapter taProjects =
new ProjectTrackingDataSetTableAdapters.ProjectsTableAdapter();
ProjectTrackingDataSetTableAdapters.StatusTableAdapter taStatus =
new ProjectTrackingDataSetTableAdapters.StatusTableAdapter();
ProjectTrackingDataSetTableAdapters.TasksTableAdapter taTasks =
new ProjectTrackingDataSetTableAdapters.TasksTableAdapter();
ProjectTrackingDataSetTableAdapters.WorkTableAdapter taWork =
new ProjectTrackingDataSetTableAdapters.WorkTableAdapter();
// create instance of table adapter manager to manage all tables
ProjectTrackingDataSetTableAdapters.TableAdapterManager taManager =
new ProjectTrackingDataSetTableAdapters.TableAdapterManager();
// assign each table table adapter to the table adapter manager
taManager.EmployeesTableAdapter = taEmployees;
taManager.ProjectsTableAdapter = taProjects;
taManager.StatusTableAdapter = taStatus;
taManager.TasksTableAdapter = taTasks;
taManager.WorkTableAdapter = taWork;
try
{
// using manager, update all of the tables
taManager.UpdateAll(myProjects);
}
catch (Exception ex)
{
SetReadyLabel("Error saving to database");
MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
