private void ShowList()
{
var db = new HistorySoftwareEntities2();
var list = db.SuKiens.ToList();
this.lstEvent.DataSource = list;
}
private void btnDelete_Click(object sender, EventArgs e)
{
var db = new HistorySoftwareEntities2();
if (MessageBox.Show("Do you want to delete", "Confirm", MessageBoxButtons.YesNo) == System.Windows.Forms.DialogResult.Yes)
{
for (int i = 0; i < this.dtlShow.SelectedRows.Count; i++)
{
var row = this.dtlShow.SelectedRows[i];
var item = (SuKien)row.DataBoundItem;
try
{
SuKien @class = db.SuKiens.Find(item.Id);
db.SuKiens.Remove(@class);
db.SaveChanges();
}
catch (Exception ex)
{
MessageBox.Show("Cannot delete class: " + item.Id);
}
this.ShowList();
}
}
}
private void btnAdd_Click(object sender, EventArgs e)
{
SuKien sukien = new SuKien();
sukien.Id = this.txtId.Text;
sukien.TenSuKien = this.txtTitle.Text;
sukien.NgaySuKien = this.txtDay.Text;
sukien.ThangSuKien = this.txtMonth.Text;
sukien.NamSuKien = this.txtYear.Text;
sukien.NoiDungSuKien = this.rtxtContent.Text;
try
{
var db = new HistorySoftwareEntities2();
db.SuKiens.Add(sukien);
db.SaveChanges();
this.Close();
}catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void btnEdit_Click(object sender, EventArgs e)
{
try
{
var db = new HistorySoftwareEntities2();
var newClass = db.SuKiens.Find(this.sukien.Id);
newClass.Id = this.txtId.Text;
newClass.TenSuKien = this.txtTitle.Text;
newClass.NgaySuKien = this.txtDay.Text;
newClass.ThangSuKien = this.txtMonth.Text;
newClass.NamSuKien = this.txtYear.Text;
newClass.NoiDungSuKien = this.rtxtContent.Text;
db.Entry(newClass).State = System.Data.Entity.EntityState.Modified;
db.SaveChanges();
this.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
