public bool InsertCategory(Category category)
{
try
{
contextDB.Categories.Add(category);
contextDB.SaveChanges();
return true;
}
catch { return false; }
}
public bool UpdateCategory(Category category)
{
try
{
Category existing = contextDB.Categories.Find(category.CategoryId);
((IObjectContextAdapter)contextDB).ObjectContext.Detach(existing);
contextDB.Entry(category).State = EntityState.Modified;
contextDB.SaveChanges();
return true;
}
catch { return false; }
}
private void gvCategory_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
int rowindex = gvCategory.CurrentCell.RowIndex;
var senderGrid = (DataGridView)sender;
if (senderGrid.Columns[e.ColumnIndex] is DataGridViewImageColumn && e.RowIndex >= 0)
{
DialogResult result = MessageBox.Show("Do you want to delete ?", "Warning", MessageBoxButtons.YesNo);
if (result == DialogResult.Yes)
{
try
{
Category category = new Category
{
CategoryId = categoryId,
CategoryName = txtCategoryname.Text,
CategoryDescription = txtDescription.Text,
ProductFromId = int.Parse(cboCategoryFrom.SelectedValue.ToString())
};
CategoyBLL.DeleteCategory(category);
MessageBox.Show("Delete Successful", "Warning");
txtCategoryname.Text = "";
txtCategoryname.Focus();
}
catch { MessageBox.Show("Delete fail", "Warning"); }
}
LoadCategory();
txtCategoryname.Text = string.Empty;
txtDescription.Text = string.Empty;
}
}
private void pictureBox2_Click(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(txtCategoryname.Text) || string.IsNullOrEmpty(cboCategoryFrom.Text))
{
MessageBox.Show("Information is required", "Warning");
txtCategoryname.Focus();
}
else
{
try
{
Category category = new Category
{
CategoryId = categoryId,
CategoryName = txtCategoryname.Text,
CategoryDescription = txtDescription.Text,
ProductFromId = int.Parse(cboCategoryFrom.SelectedValue.ToString())
};
CategoyBLL.UpdateCategory(category);
MessageBox.Show("Update Successful", "Warning");
txtCategoryname.Text = "";
txtCategoryname.Focus();
pictureBox1.Enabled = true;
}
catch (Exception ex)
{
MessageBox.Show("Update Fail", "Warning");
}
LoadCategory();
txtCategoryname.Text = string.Empty;
txtDescription.Text = string.Empty;
}
}
public bool UpdateCategory(Category category)
{
DALCategory categoryDAL = new DALCategory();
return categoryDAL.UpdateCategory(category);
}
public bool InsertCategory(Category category)
{
DALCategory categoryDAL = new DALCategory();
return categoryDAL.InsertCategory(category);
}
public bool DeleteCategory(Category category)
{
DALCategory categoryDAL = new DALCategory();
return categoryDAL.DeleteCategory(category);
}
