private void btnAdd_Click(object sender, EventArgs e)
{
Category obj = new Category();
obj.CategoryName = txtCategoryName.Text;
model.AddToCategories(obj);
model.SaveChanges();
LoadData();
}
private void btnSave_Click(object sender, EventArgs e)
{
if (CheckError())
{
GetData();
if (_itemEdit.CategoryID == -1)
{
_model.AddToCategories(_itemEdit);
}
_model.SaveChanges();
this.DialogResult = DialogResult.OK;
}
}
private void btnDelete_Click(object sender, EventArgs e)
{
if (tvData.SelectedNode != null)
{
if (MessageBox.Show("Do you want delete this item ?", "Delete", MessageBoxButtons.YesNo) == DialogResult.Yes)
{
int id = Convert.ToInt32(tvData.SelectedNode.Tag);
Category obj = _model.Categories.FirstOrDefault(c => c.CategoryID == id);
_model.DeleteObject(obj);
_model.SaveChanges();
LoadData();
}
}
}