private void upd_Click(object sender, EventArgs e)
{
string id = sId.Text;
Regex regexId = new Regex(@"^[1-9]\d*$");
if (regexId.IsMatch(id))
{
string name = sName.Text;
string country = sCou.Text;
string searchId = "Id = " + id;
string searchName = "Name = '" + name + "'";
DataRow[] rowId = virusesDBDataSet2.Scientist.Select(searchId);
DataRow[] rowName = virusesDBDataSet2.Scientist.Select(searchName);
Regex regex = new Regex("^([a-zA-Z]{2,}\\s[a-zA-z]{1,}'?-?[a-zA-Z]{2,}\\s?([a-zA-Z]{1,})?)");
if (rowId.Length == 1 && rowName.Length == 0 && regex.IsMatch(name) && CountryValidator(country))
{
SqlDataAdapter adapter = new SqlDataAdapter();
String sql = "UPDATE Scientist SET Name = '" + name + "', Country ='" + country + "' Where Id = " + id;
adapter.UpdateCommand = new SqlCommand(sql, cnn);
adapter.UpdateCommand.ExecuteNonQuery();
this.scientistTableAdapter.Fill(this.virusesDBDataSet2.Scientist);
SGrid.Refresh();
SGrid.Update();
}
else
{
MessageBox.Show("Name is not correct or element with this ID or Name is not in table!");
}
}
else
{
MessageBox.Show("Id is not correct!");
}
}
private void del_Click(object sender, EventArgs e)
{
string id = sId.Text;
Regex regexId = new Regex(@"^[1-9]\d*$");
if (regexId.IsMatch(id))
{
string searchId = "Id = " + id;
DataRow[] rowId = virusesDBDataSet2.Scientist.Select(searchId);
SqlDataAdapter adapter = new SqlDataAdapter();
String vCheck = "Select Id from VirusScientist where ScientistId = '" + id + "'";
adapter.SelectCommand = new SqlCommand(vCheck, cnn);
Object check = adapter.SelectCommand.ExecuteScalar();
if (rowId.Length == 1 && check == null)
{
String sql = "DELETE from Scientist Where Id = " + id;
adapter.DeleteCommand = new SqlCommand(sql, cnn);
adapter.DeleteCommand.ExecuteNonQuery();
this.scientistTableAdapter.Fill(this.virusesDBDataSet2.Scientist);
SGrid.Refresh();
SGrid.Update();
}
else
{
MessageBox.Show("Element with this ID is not in table!");
}
}
else
{
MessageBox.Show("Id is not correct!");
}
}