private void upd_org_button_Click(object sender, EventArgs e)
{
string id = orgId.Text;
Regex regexId = new Regex(@"^[1-9]\d*$");
if (regexId.IsMatch(id))
{
string name = orgName.Text;
string searchId = "Id = " + id;
string searchName = "Name = '" + name + "'";
DataRow[] rowId = virusesDBDataSet.Organism.Select(searchId);
DataRow[] rowName = virusesDBDataSet.Organism.Select(searchName);
Regex regexName = new Regex(@"^[A-Z][a-z]+");
if (rowId.Length == 1 && rowName.Length == 0 && regexName.IsMatch(name))
{
SqlDataAdapter adapter = new SqlDataAdapter();
String sql = "UPDATE Organism SET Name = '" + name + "' Where Id = " + id;
adapter.UpdateCommand = new SqlCommand(sql, cnn);
adapter.UpdateCommand.ExecuteNonQuery();
this.organismTableAdapter.Fill(this.virusesDBDataSet.Organism);
OrganismsGrid.Refresh();
OrganismsGrid.Update();
}
else
{
MessageBox.Show("Name is not correct or element with this ID or Name is not in table!");
}
}
else
{
MessageBox.Show("Id is not correct!");
}
}
private void del_org_button_Click(object sender, EventArgs e)
{
string id = orgId.Text;
Regex regexId = new Regex(@"^[1-9]\d*$");
if (regexId.IsMatch(id))
{
string searchId = "Id = " + id;
DataRow[] rowId = virusesDBDataSet.Organism.Select(searchId);
SqlDataAdapter adapter = new SqlDataAdapter();
String vCheck = "Select Id from Virus where OrganismId = '" + id + "'";
adapter.SelectCommand = new SqlCommand(vCheck, cnn);
Object check = adapter.SelectCommand.ExecuteScalar();
if (rowId.Length == 1 && check == null)
{
String sql = "DELETE from Organism Where Id = " + id;
adapter.DeleteCommand = new SqlCommand(sql, cnn);
adapter.DeleteCommand.ExecuteNonQuery();
this.organismTableAdapter.Fill(this.virusesDBDataSet.Organism);
OrganismsGrid.Refresh();
OrganismsGrid.Update();
}
else
{
MessageBox.Show("Cannot delete this element!");
}
}
else
{
MessageBox.Show("Id is not correct!");
}
}
