void FillTheDataGridView()
{
using (TodoEntities db = new TodoEntities())
{
dgvTodo.DataSource = db.TaskTable.ToList <TaskTable>();
}
}
private void dgvTodo_DoubleClick(object sender, EventArgs e)
{
if (dgvTodo.CurrentRow.Index != -1)
{
model.id = Convert.ToInt32(dgvTodo.CurrentRow.Cells["id"].Value);
using (TodoEntities db = new TodoEntities())
{
model = db.TaskTable.Where(x => x.id == model.id).FirstOrDefault();
textTodo.Text = model.Task;
dateTimePicker1.Value = model.Deadline.Date;
checkBox1.Checked = model.Done;
}
btnSave.Text = "Update";
btnDelete.Enabled = true;
}
}
private void btnDelete_Click(object sender, EventArgs e)
{
if (MessageBox.Show("Weiter mit löschen", "EF CRUD Operation", MessageBoxButtons.YesNo) == DialogResult.Yes)
{
using (TodoEntities db = new TodoEntities())
{
var entry = db.Entry(model);
if (entry.State == EntityState.Detached)
{
db.TaskTable.Attach(model);
}
db.TaskTable.Remove(model);
db.SaveChanges();
FillTheDataGridView();
Clear();
}
}
}
private void btnSave_Click(object sender, EventArgs e)
{
model.Deadline = dateTimePicker1.Value;
model.Task = textTodo.Text.Trim();
model.Done = checkBox1.Checked;
using (TodoEntities db = new TodoEntities())
{
if (model.id == 0)
{
db.TaskTable.Add(model);
}
else
{
db.Entry(model).State = EntityState.Modified;
}
db.SaveChanges();
}
Clear();
FillTheDataGridView();
MessageBox.Show("Hinzugefügt");
}
