private void btn_create_Click(object sender, EventArgs e)
{
//add new record
DBtest prep = new DBtest(txt_fname.Text, txt_mname.Text, txt_lname.Text);
prep.Add();
MessageBox.Show("Insert Successfully");
display();
}
private void btn_delete_Click(object sender, EventArgs e)
{
int id = Int32.Parse(dataGridView1.CurrentRow.Cells[0].Value.ToString());
DBtest del = DBtest.GetDataID(id);
del.Delete();
display();
}
private void btn_update_Click(object sender, EventArgs e)
{
//edit record
int id = Int32.Parse(dataGridView1.CurrentRow.Cells[0].Value.ToString());
DBtest rec = DBtest.GetDataID(id);
rec.Firstname = txt_fname.Text;
rec.Middlename = txt_lname.Text;
rec.Lastname = txt_mname.Text;
rec.Update();
MessageBox.Show("Updated Successfully");
display();
}
public void display()
{
try
{
BindingSource bindingsource = new BindingSource();
List <DBtest> rec = DBtest.GetData();
foreach (DBtest data in rec)
{
bindingsource.Add(data);
}
this.dataGridView1.Refresh();
this.dataGridView1.DataSource = bindingsource;
}
catch (Exception ex)
{
ex.ToString();
}
}
public static List <DBtest> GetData()
{
List <DBtest> data = new List <DBtest>();
MySqlConnection con = DBConnection.ConnectDatabase();
try
{
MySqlCommand cmd = new MySqlCommand("SELECT * FROM " + tablename, con);
MySqlDataReader reader = cmd.ExecuteReader();
if (reader.HasRows)
{
while (reader.Read())
{
DBtest rawData = new DBtest();
rawData.Id = reader.GetInt32(0);
rawData.Firstname = reader.GetString(1);
rawData.Middlename = reader.GetString(2);
rawData.Lastname = reader.GetString(3);
data.Add(rawData);
}
}
reader.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
con.Close();
}
return(data);
}
//getdatabyID
public static DBtest GetDataID(int id)
{
DBtest data = null;
MySqlConnection con = DBConnection.ConnectDatabase();
try
{
MySqlCommand cmd = new MySqlCommand("SELECT * FROM " + tablename + " WHERE id=" + id, con);
MySqlDataReader reader = cmd.ExecuteReader();
if (reader.HasRows)
{
reader.Read();
data = new DBtest();
data.Id = reader.GetInt32(0);
data.Firstname = reader.GetString(1);
data.Middlename = reader.GetString(2);
data.Lastname = reader.GetString(3);
}
reader.Close();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
MessageBox.Show(ex.ToString());
}
finally
{
con.Close();
}
return(data);
}
